74AVCH2T45DC-Q100 [NEXPERIA]

Dual-bit, dual-supply voltage level translator/transceiver; 3-stateProduction;
74AVCH2T45DC-Q100
型号: 74AVCH2T45DC-Q100
厂家: Nexperia    Nexperia
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Dual-bit, dual-supply voltage level translator/transceiver; 3-stateProduction

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74AVCH2T45-Q100  
Dual-bit, dual-supply voltage level translator/transceiver;  
3-state  
Rev. 1 — 7 December 2022  
Product data sheet  
1. General description  
The 74AVCH2T45-Q100 is a dual bit, dual supply transceiver that enables bidirectional level  
translation. It features two data input-output ports (nA and nB), a direction control input (DIR)  
and dual supply pins (VCC(A) and VCC(B)). Both VCC(A) and VCC(B) can be supplied at any voltage  
between 0.8 V and 3.6 V making the device suitable for translating between any of the low voltage  
nodes (0.8 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V and 3.3 V). Pins nA and DIR are referenced to VCC(A) and  
pins nB are referenced to VCC(B). A HIGH on DIR allows transmission from nA to nB and a LOW on  
DIR allows transmission from nB to nA.  
The device is fully specified for partial power-down applications using IOFF. The IOFF circuitry  
disables the output, preventing any damaging backflow current through the device when it is  
powered down. In suspend mode when either VCC(A) or VCC(B) are at GND level, both A and B are  
in the high-impedance OFF-state.  
The 74AVCH2T45-Q100 has active bus hold circuitry which is provided to hold unused or floating  
data inputs at a valid logic level. This feature eliminates the need for external pull-up or pull-down  
resistors.  
This product has been qualified to the Automotive Electronics Council (AEC) standard Q100  
(Grade 1) and is suitable for use in automotive applications.  
2. Features and benefits  
Automotive product qualification in accordance with AEC-Q100 (Grade 1)  
Specified from -40 °C to +85 °C and from -40 °C to +125 °C  
Wide supply voltage range: 0.8 V to 3.6 V for VCC(A) and VCC(B)  
High noise immunity  
Suspend mode  
Bus hold on data inputs  
Inputs accept voltages up to 3.6 V  
Low noise overshoot and undershoot < 10 % of VCC  
IOFF circuitry provides partial Power-down mode operation  
Maximum data rates:  
500 Mbps (1.8 V to 3.3 V translation)  
320 Mbps (< 1.8 V to 3.3 V translation)  
320 Mbps (translate to 2.5 V or 1.8 V)  
280 Mbps (translate to 1.5 V)  
240 Mbps (translate to 1.2 V)  
Latch-up performance exceeds 100 mA per JESD 78 Class II  
Complies with JEDEC standards:  
JESD8-12 (0.8 V to 1.3 V)  
JESD8-11 (0.9 V to 1.65 V)  
JESD8-7 (1.2 V to 1.95 V)  
JESD8-5 (1.8 V to 2.7 V)  
JESD8-B (2.7 V to 3.6 V)  
ESD protection:  
HBM: ANSI/ESDA/Jedec JS-001 Class 3B exceeds 8000 V  
CDM: ANSI/ESDA/Jedec JS-002 Class C3 exceeds 1000 V  
 
 
Nexperia  
74AVCH2T45-Q100  
Dual-bit, dual-supply voltage level translator/transceiver; 3-state  
3. Ordering information  
Table 1. Ordering information  
Type number  
Package  
Temperature range Name  
Description  
Version  
74AVCH2T45DC-Q100 -40 °C to +125 °C  
VSSOP8  
plastic very thin shrink small outline package;  
8 leads; body width 2.3 mm  
SOT765-1  
4. Marking  
Table 2. Marking  
Type number  
Marking code [1]  
74AVCH2T45DC-Q100  
K45  
[1] The pin 1 indicator is located on the lower left corner of the device, below the marking code.  
5. Functional diagram  
5
DIR  
DIR  
2
1A  
1A  
7
1B  
1B  
2B  
3
2A  
2A  
6
2B  
V
V
CC(B)  
CC(A)  
V
V
CC(B)  
CC(A)  
001aag577  
001aag578  
Fig. 1. Logic symbol  
Fig. 2. Logic diagram  
©
74AVCH2T45_Q100  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2022. All rights reserved  
Product data sheet  
Rev. 1 — 7 December 2022  
2 / 18  
 
 
 
 
Nexperia  
74AVCH2T45-Q100  
Dual-bit, dual-supply voltage level translator/transceiver; 3-state  
6. Pinning information  
6.1. Pinning  
DC package  
SOT765-1 (VSSOP8)  
1
2
3
4
8
7
6
5
V
V
CC(B)  
CC(A)  
1A  
1B  
2A  
2B  
GND  
DIR  
aaa-035796  
6.2. Pin description  
Table 3. Pin description  
Symbol  
Pin  
1
Description  
VCC(A)  
1A  
supply voltage port A and DIR  
data input or output  
data input or output  
ground (0 V)  
2
2A  
3
GND  
DIR  
2B  
4
5
direction control  
6
data input or output  
data input or output  
supply voltage port B  
1B  
7
VCC(B)  
8
7. Functional description  
Table 4. Function table  
H = HIGH voltage level; L = LOW voltage level; X = don’t care; Z = high-impedance OFF-state.  
Supply voltage  
VCC(A), VCC(B)  
0.8 V to 3.6 V  
0.8 V to 3.6 V  
GND[3]  
Input  
Input/output[1]  
DIR[2]  
nA  
nB  
L
nA = nB  
input  
Z
input  
nB = nA  
Z
H
X
[1] The input circuit of the data I/O is always active.  
[2] The DIR input circuit is referenced to VCC(A)  
[3] If at least one of VCC(A) or VCC(B) is at GND level, the device goes into suspend mode.  
.
©
74AVCH2T45_Q100  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2022. All rights reserved  
Product data sheet  
Rev. 1 — 7 December 2022  
3 / 18  
 
 
 
 
 
Nexperia  
74AVCH2T45-Q100  
Dual-bit, dual-supply voltage level translator/transceiver; 3-state  
8. Limiting values  
Table 5. Limiting values  
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).  
Symbol Parameter  
Conditions  
Min  
-0.5  
-0.5  
-50  
-0.5  
-50  
-0.5  
-0.5  
-
Max  
+4.6  
+4.6  
-
Unit  
V
VCC(A) supply voltage A  
VCC(B) supply voltage B  
V
IIK  
input clamping current  
VI < 0 V  
mA  
V
VI  
input voltage  
[1]  
+4.6  
-
IOK  
VO  
output clamping current  
output voltage  
VO < 0 V  
mA  
Active mode  
[1][2][3]  
[1]  
VCCO + 0.5 V  
Suspend or 3-state mode  
VO = 0 V to VCCO  
ICC(A) or ICC(B)  
+4.6  
±50  
100  
-
V
IO  
output current  
mA  
mA  
mA  
°C  
ICC  
IGND  
Tstg  
Ptot  
supply current  
-
ground current  
-100  
-65  
-
storage temperature  
total power dissipation  
+150  
250  
Tamb = -40 °C to +125 °C  
[4]  
mW  
[1] The minimum input voltage rating and output voltage ratings may be exceeded if the input and output current ratings are observed.  
[2] VCCO is the supply voltage associated with the output port.  
[3] VCCO + 0.5 V should not exceed 4.6 V.  
[4] For SOT765-1 (VSSOP8) package: Ptot derates linearly with 4.9 mW/K above 99 °C.  
9. Recommended operating conditions  
Table 6. Recommended operating conditions  
Symbol Parameter  
Conditions  
Min  
0.8  
0.8  
0
Max  
3.6  
Unit  
V
VCC(A) supply voltage A  
VCC(B) supply voltage B  
3.6  
V
VI  
input voltage  
3.6  
V
VO  
output voltage  
Active mode  
[1]  
0
VCCO  
3.6  
V
Suspend or 3-state mode  
0
V
Tamb  
ambient temperature  
-40  
-
+125  
5
°C  
ns/V  
Δt/ΔV  
input transition rise and fall rate  
VCCI = 0.8 V to 3.6 V  
[1] VCCO is the supply voltage associated with the output port.  
©
74AVCH2T45_Q100  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2022. All rights reserved  
Product data sheet  
Rev. 1 — 7 December 2022  
4 / 18  
 
 
 
Nexperia  
74AVCH2T45-Q100  
Dual-bit, dual-supply voltage level translator/transceiver; 3-state  
10. Static characteristics  
Table 7. Typical static characteristics at Tamb = 25 °C  
At recommended operating conditions; voltages are referenced to GND (ground = 0 V). [1][2]  
Symbol Parameter  
Conditions  
Min  
Typ  
Max Unit  
VOH  
VOL  
II  
HIGH-level output  
voltage  
VI = VIH or VIL; IO = -1.5 mA;  
VCC(A) = VCC(B) = 0.8 V  
-
0.69  
-
V
LOW-level output  
voltage  
VI = VIH or VIL; IO = 1.5 mA; VCC(A) = VCC(B) = 0.8 V  
-
-
0.07  
-
V
input leakage current  
DIR input; VI = 0 V or 3.6 V;  
±0.025 ±0.25 μA  
VCC(A) = VCC(B) = 0.8 V to 3.6 V  
IBHL  
bus hold LOW current VI = 0.42 V; VCC(A) = VCC(B) = 1.2 V  
bus hold HIGH current VI = 0.78 V; VCC(A) = VCC(B) = 1.2 V  
[3]  
[4]  
[5]  
-
-
-
26  
-24  
28  
-
-
-
μA  
μA  
μA  
IBHH  
IBHLO  
bus hold LOW  
VI = GND to VCCI; VCC(A) = VCC(B) = 1.2 V  
overdrive current  
IBHHO  
IOZ  
bus hold HIGH  
overdrive current  
VI = GND to VCCI; VCC(A) = VCC(B) = 1.2 V  
[6]  
[7]  
-
-
-
-
-
-
-26  
±0.5  
±0.1  
±0.1  
1.0  
-
μA  
OFF-state output  
current  
A or B port; VO = 0 V or VCCO  
;
±2.5 μA  
VCC(A) = VCC(B) = 0.8 V to 3.6 V  
IOFF  
power-off leakage  
current  
A port; VI or VO = 0 V to 3.6 V; VCC(A) = 0 V;  
VCC(B) = 0.8 V to 3.6 V  
±1  
±1  
-
μA  
μA  
pF  
pF  
B port; VI or VO = 0 V to 3.6 V; VCC(B) = 0 V;  
VCC(A) = 0.8 V to 3.6 V  
CI  
input capacitance  
DIR input; VI = 0 V or 3.3 V;  
VCC(A) = VCC(B) = 3.3 V  
CI/O  
input/output  
capacitance  
A and B port; Suspend mode; VO = VCCO or GND;  
VCC(A) = VCC(B) = 3.3 V  
4.0  
-
[1] VCCO is the supply voltage associated with the output port.  
[2] VCCI is the supply voltage associated with the data input port.  
[3] The bus hold circuit can sink at least the minimum low sustaining current at VIL max.  
IBHL should be measured after lowering VI to GND and then raising it to VIL max.  
[4] The bus hold circuit can source at least the minimum high sustaining current at VIH min.  
IBHH should be measured after raising VI to VCC and then lowering it to VIH min.  
[5] An external driver must source at least IBHLO to switch this node from LOW to HIGH.  
[6] An external driver must sink at least IBHHO to switch this node from HIGH to LOW.  
[7] For I/O ports, the parameter IOZ includes the input leakage current.  
©
74AVCH2T45_Q100  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2022. All rights reserved  
Product data sheet  
Rev. 1 — 7 December 2022  
5 / 18  
 
 
Nexperia  
74AVCH2T45-Q100  
Dual-bit, dual-supply voltage level translator/transceiver; 3-state  
Table 8. Static characteristics  
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).[1][2]  
Symbol Parameter  
Conditions  
-40 °C to +85 °C  
-40 °C to +125 °C  
Unit  
Min  
Max  
Min  
Max  
VIH  
HIGH-level  
data input  
input voltage  
VCCI = 0.8 V  
0.70VCCI  
0.65VCCI  
1.6  
-
-
-
-
0.70VCCI  
0.65VCCI  
1.6  
-
-
-
-
V
V
V
V
VCCI = 1.1 V to 1.95 V  
VCCI = 2.3 V to 2.7 V  
VCCI = 3.0 V to 3.6 V  
2
2
DIR input  
VCC(A) = 0.8 V  
0.70VCC(A)  
-
-
-
-
0.70VCC(A)  
-
-
-
-
V
V
V
V
VCC(A) = 1.1 V to 1.95 V  
VCC(A) = 2.3 V to 2.7 V  
VCC(A) = 3.0 V to 3.6 V  
0.65VCC(A)  
0.65VCC(A)  
1.6  
2
1.6  
2
VIL  
LOW-level  
data input  
input voltage  
VCCI = 0.8 V  
-
-
-
-
0.30VCCI  
0.35VCCI  
0.7  
-
-
-
-
0.30VCCI  
0.35VCCI  
0.7  
V
V
V
V
VCCI = 1.1 V to 1.95 V  
VCCI = 2.3 V to 2.7 V  
VCCI = 3.0 V to 3.6 V  
0.9  
0.9  
DIR input  
VCC(A) = 0.8 V  
-
-
-
-
0.30VCC(A)  
0.35VCC(A)  
0.7  
-
-
-
-
0.30VCC(A)  
0.35VCC(A)  
0.7  
V
V
V
V
VCC(A) = 1.1 V to 1.95 V  
VCC(A) = 2.3 V to 2.7 V  
VCC(A) = 3.0 V to 3.6 V  
0.9  
0.9  
VOH  
HIGH-level  
VI = VIH or VIL  
output voltage  
IO = -100 μA;  
VCCO - 0.1  
-
VCCO - 0.1  
-
V
VCC(A) = VCC(B) = 0.8 V to 3.6 V  
IO = -3 mA; VCC(A) = VCC(B) = 1.1 V  
IO = -6 mA; VCC(A) = VCC(B) = 1.4 V  
0.85  
1.05  
1.2  
-
-
-
0.85  
1.05  
1.2  
-
-
-
V
V
V
IO = -8 mA;  
VCC(A) = VCC(B) = 1.65 V  
IO = -9 mA; VCC(A) = VCC(B) = 2.3 V  
1.75  
2.3  
-
-
1.75  
2.3  
-
-
V
V
IO = -12 mA;  
VCC(A) = VCC(B) = 3.0 V  
VOL  
LOW-level  
VI = VIH or VIL  
output voltage  
IO = 100 μA;  
-
0.1  
-
0.1  
V
VCC(A) = VCC(B) = 0.8 V to 3.6 V  
IO = 3 mA; VCC(A) = VCC(B) = 1.1 V  
IO = 6 mA; VCC(A) = VCC(B) = 1.4 V  
IO = 8 mA; VCC(A) = VCC(B) = 1.65 V  
IO = 9 mA; VCC(A) = VCC(B) = 2.3 V  
IO = 12 mA; VCC(A) = VCC(B) = 3.0 V  
-
-
-
-
-
-
0.25  
0.35  
0.45  
0.55  
0.7  
-
-
-
-
-
-
0.25  
0.35  
0.45  
0.55  
0.7  
V
V
V
V
V
II  
input leakage DIR input; VI = 0 V or 3.6 V;  
current VCC(A) = VCC(B) = 0.8 V to 3.6 V  
±1  
±1.5  
μA  
©
74AVCH2T45_Q100  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2022. All rights reserved  
Product data sheet  
Rev. 1 — 7 December 2022  
6 / 18  
Nexperia  
74AVCH2T45-Q100  
Dual-bit, dual-supply voltage level translator/transceiver; 3-state  
Symbol Parameter  
Conditions  
-40 °C to +85 °C  
-40 °C to +125 °C  
Unit  
Min  
Max  
Min  
Max  
IBHL  
bus hold LOW A or B port  
current  
[3]  
[4]  
VI = 0.49 V; VCC(A) = VCC(B) = 1.4 V  
15  
25  
-
-
15  
25  
-
-
μA  
μA  
VI = 0.58 V;  
VCC(A) = VCC(B) = 1.65 V  
VI = 0.70 V; VCC(A) = VCC(B) = 2.3 V  
VI = 0.80 V; VCC(A) = VCC(B) = 3.0 V  
45  
-
-
45  
90  
-
-
μA  
μA  
100  
IBHH  
bus hold  
A or B port  
HIGH current  
VI = 0.91 V; VCC(A) = VCC(B) = 1.4 V  
-15  
-25  
-
-
-15  
-25  
-
-
μA  
μA  
VI = 1.07 V;  
VCC(A) = VCC(B) = 1.65 V  
VI = 1.60 V; VCC(A) = VCC(B) = 2.3 V  
VI = 2.00 V; VCC(A) = VCC(B) = 3.0 V  
-45  
-
-
-45  
-
-
μA  
μA  
-100  
-100  
IBHLO  
bus hold LOW A or B port  
overdrive  
[5]  
[6]  
[7]  
VCC(A) = VCC(B) = 1.6 V  
125  
200  
300  
500  
-
-
-
-
125  
200  
300  
500  
-
-
-
-
μA  
μA  
μA  
μA  
current  
VCC(A) = VCC(B) = 1.95 V  
VCC(A) = VCC(B) = 2.7 V  
VCC(A) = VCC(B) = 3.6 V  
IBHHO  
bus hold  
HIGH  
overdrive  
current  
A or B port  
VCC(A) = VCC(B) = 1.6 V  
VCC(A) = VCC(B) = 1.95 V  
VCC(A) = VCC(B) = 2.7 V  
VCC(A) = VCC(B) = 3.6 V  
A or B port; VO = 0 V or VCCO  
-125  
-200  
-300  
-500  
-
-
-
-125  
-200  
-300  
-500  
-
-
μA  
μA  
μA  
μA  
μA  
-
-
-
-
-
IOZ  
OFF-state  
;
±5  
±7.5  
output current VCC(A) = VCC(B) = 0.8 to 3.6 V  
IOFF  
power-off  
leakage  
current  
A port; VI or VO = 0 V to 3.6 V;  
VCC(A) = 0 V; VCC(B) = 0.8 V to 3.6 V  
-
-
±5  
±5  
-
-
±35  
±35  
μA  
μA  
B port; VI or VO = 0 V to 3.6 V;  
VCC(B) = 0 V; VCC(A) = 0.8 V to 3.6 V  
ICC  
supply current A port; VI = 0 V or VCCI; IO = 0 A  
VCC(A) = 0.8 V to 3.6 V;  
VCC(B) = 0.8 V to 3.6 V  
-
8
-
11.5  
μA  
VCC(A) = 3.6 V; VCC(B) = 0 V  
VCC(A) = 0 V; VCC(B) = 3.6 V  
B port; VI = 0 V or VCCI; IO = 0 A  
-
8
-
-
11.5  
-
μA  
μA  
-2  
-8  
VCC(A) = 0.8 V to 3.6 V;  
VCC(B) = 0.8 V to 3.6 V  
-
8
-
11.5  
μA  
VCC(A) = 3.6 V; VCC(B) = 0 V  
VCC(A) = 0 V; VCC(B) = 3.6 V  
A plus B port (ICC(A) + ICC(B));  
-2  
-
-
-8  
-
-
μA  
μA  
μA  
8
11.5  
23  
-
16  
-
IO = 0 A; VI = 0 V or VCCI  
VCC(A) = 0.8 V to 3.6 V;  
VCC(B) = 0.8 V to 3.6 V  
;
[1] VCCO is the supply voltage associated with the output port.  
[2] VCCI is the supply voltage associated with the data input port.  
[3] The bus hold circuit can sink at least the minimum low sustaining current at VIL max.  
IBHL should be measured after lowering VI to GND and then raising it to VIL max.  
[4] The bus hold circuit can source at least the minimum high sustaining current at VIH min.  
©
74AVCH2T45_Q100  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2022. All rights reserved  
Product data sheet  
Rev. 1 — 7 December 2022  
7 / 18  
 
Nexperia  
74AVCH2T45-Q100  
Dual-bit, dual-supply voltage level translator/transceiver; 3-state  
IBHH should be measured after raising VI to VCC and then lowering it to VIH min.  
[5] An external driver must source at least IBHLO to switch this node from LOW to HIGH.  
[6] An external driver must sink at least IBHHO to switch this node from HIGH to LOW.  
[7] For I/O ports, the parameter IOZ includes the input leakage current.  
11. Dynamic characteristics  
Table 9. Typical dynamic characteristics at VCC(A) = 0.8 V and Tamb = 25 °C  
Voltages are referenced to GND (ground = 0 V); for test circuit see Fig. 5; for waveforms see Fig. 3 and Fig. 4. [1] [2]  
Symbol Parameter  
Conditions  
VCC(B)  
1.5 V  
Unit  
0.8 V  
15.8  
15.8  
12.2  
11.7  
27.5  
28.0  
1.2 V  
8.4  
1.8 V  
8.0  
2.5 V  
8.7  
3.3 V  
9.5  
tpd  
tdis  
ten  
propagation delay  
A to B  
8.0  
12.4  
12.2  
7.6  
ns  
ns  
ns  
ns  
ns  
ns  
B to A  
12.7  
12.2  
7.9  
12.2  
12.2  
8.2  
12.0  
12.2  
8.7  
11.8  
12.2  
10.2  
22.0  
21.7  
disable time  
enable time  
DIR to A  
DIR to B  
DIR to A  
DIR to B  
20.6  
20.6  
20.0  
20.2  
20.4  
20.2  
20.7  
20.9  
[1] tpd is the same as tPLH and tPHL; tdis is the same as tPLZ and tPHZ; ten is the same as tPZL and tPZH  
.
[2] ten is a calculated value using the formula shown in Section 12.4  
Table 10. Typical dynamic characteristics at VCC(B) = 0.8 V and Tamb = 25 °C  
Voltages are referenced to GND (ground = 0 V); for test circuit see Fig. 5; for waveforms see Fig. 3 and Fig. 4. [1] [2]  
Symbol Parameter  
Conditions  
VCC(A)  
1.5 V  
Unit  
0.8 V  
15.8  
15.8  
12.2  
11.7  
27.5  
28.0  
1.2 V  
12.7  
8.4  
1.8 V  
12.2  
8.0  
2.5 V  
12.0  
8.7  
3.3 V  
11.8  
9.5  
tpd  
tdis  
ten  
propagation delay  
A to B  
12.4  
8.0  
ns  
ns  
ns  
ns  
ns  
ns  
B to A  
disable time  
enable time  
DIR to A  
DIR to B  
DIR to A  
DIR to B  
4.9  
3.8  
3.7  
2.8  
3.4  
9.2  
9.0  
8.8  
8.7  
8.6  
17.6  
17.6  
17.0  
16.2  
16.8  
15.9  
17.4  
14.8  
18.1  
15.2  
[1] tpd is the same as tPLH and tPHL; tdis is the same as tPLZ and tPHZ; ten is the same as tPZL and tPZH  
.
[2] ten is a calculated value using the formula shown in Section 12.4  
Table 11. Typical power dissipation capacitance at VCC(A) = VCC(B) and Tamb = 25 °C  
Voltages are referenced to GND (ground = 0 V).[1] [2]  
Symbol Parameter  
Conditions  
VCC(A) and VCC(B)  
Unit  
0.8 V  
1.2 V  
1.5 V  
1.8 V  
2.5 V  
3.3 V  
CPD  
power dissipation A port: (direction A to B);  
1
2
2
2
2
2
pF  
pF  
capacitance  
B port: (direction B to A)  
A port: (direction B to A);  
B port: (direction A to B)  
9
11  
11  
12  
14  
17  
[1] CPD is used to determine the dynamic power dissipation (PD in μW).  
PD = CPD × VCC 2 × fi × N + Σ(CL × VCC 2 × fo) where:  
fi = input frequency in MHz;  
fo = output frequency in MHz;  
CL = load capacitance in pF;  
VCC = supply voltage in V;  
N = number of inputs switching;  
Σ(CL × VCC 2 × fo) = sum of the outputs.  
[2] fi = 10 MHz; VI = GND to VCC; tr = tf = 1 ns; CL = 0 pF; RL = ∞ Ω.  
©
74AVCH2T45_Q100  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2022. All rights reserved  
Product data sheet  
Rev. 1 — 7 December 2022  
8 / 18  
 
 
Nexperia  
74AVCH2T45-Q100  
Dual-bit, dual-supply voltage level translator/transceiver; 3-state  
Table 12. Dynamic characteristics for temperature range -40 °C to +85 °C  
Voltages are referenced to GND (ground = 0 V); for test circuit see Fig. 5; for waveforms see Fig. 3 and Fig. 4. [1][2]  
Symbol Parameter  
Conditions  
VCC(B)  
Unit  
1.2 V ± 0.1 V 1.5 V ± 0.1 V 1.8 V ± 0.15 V 2.5 V ± 0.2 V 3.3 V ± 0.3 V  
Min  
Max  
Min  
Max  
Min  
Max  
Min  
Max  
Min  
Max  
VCC(A) = 1.1 V to 1.3 V  
tpd  
tdis  
ten  
propagation  
delay  
A to B  
1.0  
1.0  
2.2  
2.2  
-
9.0  
9.0  
0.7  
0.8  
2.2  
1.8  
-
6.8  
8.0  
0.6  
0.7  
2.2  
2.0  
-
6.1  
7.7  
0.5  
0.6  
2.2  
1.7  
-
5.7  
7.2  
0.5  
0.5  
2.2  
2.4  
-
6.1 ns  
7.1 ns  
8.8 ns  
7.2 ns  
14.3 ns  
14.9 ns  
B to A  
disable time  
DIR to A  
DIR to B  
DIR to A  
DIR to B  
8.8  
8.8  
8.8  
8.8  
8.4  
6.7  
6.9  
6.2  
enable time  
17.4  
17.8  
14.7  
15.6  
14.6  
14.9  
13.4  
14.5  
-
-
-
-
-
VCC(A) = 1.4 V to 1.6 V  
tpd  
tdis  
ten  
propagation  
delay  
A to B  
1.0  
1.0  
1.6  
2.0  
-
8.0  
6.8  
0.7  
0.8  
1.6  
1.8  
-
5.4  
5.4  
0.6  
0.7  
1.6  
1.6  
-
4.6  
5.1  
0.5  
0.6  
1.6  
1.2  
-
3.7  
4.7  
0.5  
0.5  
1.6  
1.7  
-
3.5 ns  
4.5 ns  
6.3 ns  
5.5 ns  
10.0 ns  
9.8 ns  
B to A  
disable time  
DIR to A  
DIR to B  
DIR to A  
DIR to B  
6.3  
6.3  
6.3  
6.3  
7.6  
5.9  
6.0  
4.8  
enable time  
14.4  
14.3  
11.3  
11.7  
11.1  
10.9  
9.5  
-
-
-
-
10.0  
-
VCC(A) = 1.65 V to 1.95 V  
tpd  
tdis  
ten  
propagation  
delay  
A to B  
1.0  
1.0  
1.6  
1.8  
-
7.7  
6.1  
0.6  
0.7  
1.6  
1.8  
-
5.1  
4.6  
0.5  
0.5  
1.6  
1.4  
-
4.3  
4.4  
0.5  
0.5  
1.6  
1.0  
-
3.4  
3.9  
5.5  
4.5  
8.4  
8.9  
0.5  
0.5  
1.6  
1.5  
-
3.1 ns  
3.7 ns  
5.5 ns  
5.2 ns  
8.9 ns  
8.6 ns  
B to A  
disable time  
DIR to A  
DIR to B  
DIR to A  
DIR to B  
5.5  
5.5  
5.5  
7.8  
5.7  
5.8  
enable time  
13.9  
13.2  
10.3  
10.6  
10.2  
9.8  
-
-
-
-
-
VCC(A) = 2.3 V to 2.7 V  
tpd  
tdis  
ten  
propagation  
delay  
A to B  
1.0  
1.0  
1.5  
1.7  
-
7.2  
5.7  
0.5  
0.6  
1.5  
2.0  
-
4.7  
3.8  
4.2  
5.2  
9.0  
8.9  
0.5  
0.5  
1.5  
1.5  
-
3.9  
3.4  
4.2  
5.1  
8.5  
8.1  
0.5  
0.5  
1.5  
0.6  
-
3.0  
3.0  
4.2  
4.2  
7.2  
7.2  
0.5  
0.5  
1.5  
1.1  
-
2.6 ns  
2.8 ns  
4.2 ns  
4.8 ns  
7.6 ns  
6.8 ns  
B to A  
disable time  
DIR to A  
DIR to B  
DIR to A  
DIR to B  
4.2  
7.3  
enable time  
13.0  
11.4  
-
-
-
-
-
VCC(A) = 3.0 V to 3.6 V  
tpd  
tdis  
ten  
propagation  
delay  
A to B  
1.0  
1.0  
1.5  
1.7  
-
7.1  
6.1  
0.5  
0.6  
1.5  
0.7  
-
4.5  
3.6  
4.7  
5.5  
9.1  
9.2  
0.5  
0.5  
1.5  
0.6  
-
3.7  
3.1  
4.7  
5.5  
8.6  
8.4  
0.5  
0.5  
1.5  
0.7  
-
2.8  
2.6  
4.7  
4.1  
6.7  
7.5  
0.5  
0.5  
1.5  
1.7  
-
2.4 ns  
2.4 ns  
4.7 ns  
4.7 ns  
7.1 ns  
7.1 ns  
B to A  
disable time  
DIR to A  
DIR to B  
DIR to A  
DIR to B  
4.7  
7.2  
enable time  
13.3  
11.8  
-
-
-
-
-
[1] tpd is the same as tPLH and tPHL; tdis is the same as tPLZ and tPHZ; ten is the same as tPZL and tPZH  
.
[2] ten is a calculated value using the formula shown in Section 12.4  
©
74AVCH2T45_Q100  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2022. All rights reserved  
Product data sheet  
Rev. 1 — 7 December 2022  
9 / 18  
 
Nexperia  
74AVCH2T45-Q100  
Dual-bit, dual-supply voltage level translator/transceiver; 3-state  
Table 13. Dynamic characteristics for temperature range -40 °C to +125 °C  
Voltages are referenced to GND (ground = 0 V); for test circuit see Fig. 5; for waveforms see Fig. 3 and Fig. 4. [1] [2]  
Symbol Parameter  
Conditions  
VCC(B)  
Unit  
1.2 V ±0.1 V 1.5 V ± 0.1 V 1.8 V ± 0.15 V 2.5 V ± 0.2 V 3.3 V ± 0.3 V  
Min  
Max  
Min  
Max  
Min  
Max  
Min  
Max  
Min  
Max  
VCC(A) = 1.1 V to 1.3 V  
tpd  
tdis  
ten  
propagation  
delay  
A to B  
1.0  
1.0  
2.2  
2.2  
-
9.9  
9.9  
0.7  
0.8  
2.2  
1.8  
-
7.5  
8.8  
0.6  
0.7  
2.2  
2.0  
-
6.8  
8.5  
0.5  
0.6  
2.2  
1.7  
-
6.3  
8.0  
0.5  
0.5  
2.2  
2.4  
-
6.8 ns  
7.9 ns  
9.7 ns  
8.0 ns  
15.9 ns  
16.5 ns  
B to A  
disable time  
DIR to A  
DIR to B  
DIR to A  
DIR to B  
9.7  
9.7  
9.7  
9.7  
9.2  
7.4  
7.6  
6.9  
enable time  
19.1  
19.6  
16.2  
17.2  
16.1  
16.5  
14.9  
16.0  
-
-
-
-
-
VCC(A) = 1.4 V to 1.6 V  
tpd  
tdis  
ten  
propagation  
delay  
A to B  
1.0  
1.0  
1.6  
2.0  
-
8.8  
7.5  
0.7  
0.8  
1.6  
1.8  
-
6.0  
6.0  
0.6  
0.7  
1.6  
1.6  
-
5.1  
5.7  
0.5  
0.6  
1.6  
1.2  
-
4.1  
5.2  
0.5  
0.5  
1.6  
1.7  
-
3.9 ns  
5.0 ns  
7.0 ns  
6.1 ns  
11.1 ns  
10.9 ns  
B to A  
disable time  
DIR to A  
DIR to B  
DIR to A  
DIR to B  
7.0  
7.0  
7.0  
7.0  
8.3  
6.5  
6.6  
5.3  
enable time  
15.8  
15.8  
12.5  
13.0  
12.3  
12.7  
10.5  
11.1  
-
-
-
-
-
VCC(A) = 1.65 V to 1.95 V  
tpd  
tdis  
ten  
propagation  
delay  
A to B  
1.0  
1.0  
1.6  
1.8  
-
8.5  
6.8  
0.6  
0.7  
1.6  
1.8  
-
5.7  
5.1  
0.5  
0.5  
1.6  
1.4  
-
4.8  
4.9  
0.5  
0.5  
1.6  
1.0  
-
3.8  
4.3  
6.1  
5.0  
9.3  
9.9  
0.5  
0.5  
1.6  
1.5  
-
3.5 ns  
4.1 ns  
6.1 ns  
5.8 ns  
9.9 ns  
9.6 ns  
B to A  
disable time  
DIR to A  
DIR to B  
DIR to A  
DIR to B  
6.1  
6.1  
6.1  
8.6  
6.3  
6.4  
enable time  
15.4  
14.6  
11.4  
11.8  
11.3  
10.9  
-
-
-
-
-
VCC(A) = 2.3 V to 2.7 V  
tpd  
tdis  
ten  
propagation  
delay  
A to B  
1.0  
1.0  
1.5  
1.7  
-
8.0  
6.3  
0.5  
0.6  
1.5  
2.0  
-
5.2  
4.2  
0.5  
0.5  
1.5  
1.5  
-
4.3  
3.8  
4.7  
5.7  
9.5  
9.0  
0.5  
0.5  
1.5  
0.6  
-
3.3  
3.3  
4.7  
4.7  
8.0  
8.0  
0.5  
0.5  
1.5  
1.1  
-
2.9 ns  
3.1 ns  
4.7 ns  
5.3 ns  
8.4 ns  
7.6 ns  
B to A  
disable time  
DIR to A  
DIR to B  
DIR to A  
DIR to B  
4.7  
4.7  
8.0  
5.8  
enable time  
14.3  
12.7  
10.0  
9.9  
-
-
-
-
-
VCC(A) = 3.0 V to 3.6 V  
tpd  
tdis  
ten  
propagation  
delay  
A to B  
1.0  
1.0  
1.5  
1.7  
-
7.9  
6.8  
0.5  
0.6  
1.5  
0.7  
-
5.0  
4.0  
0.5  
0.5  
1.5  
0.6  
-
4.1  
3.5  
5.2  
6.1  
9.6  
9.3  
0.5  
0.5  
1.5  
0.7  
-
3.1  
2.9  
5.2  
4.6  
7.5  
8.3  
0.5  
0.5  
1.5  
1.7  
-
2.7 ns  
2.7 ns  
5.2 ns  
5.2 ns  
7.9 ns  
7.9 ns  
B to A  
disable time  
DIR to A  
DIR to B  
DIR to A  
DIR to B  
5.2  
5.2  
7.9  
6.1  
enable time  
14.7  
13.1  
10.1  
10.2  
-
-
-
-
-
[1] tpd is the same as tPLH and tPHL; tdis is the same as tPLZ and tPHZ; ten is the same as tPZL and tPZH  
.
[2] ten is a calculated value using the formula shown in Section 12.4  
©
74AVCH2T45_Q100  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2022. All rights reserved  
Product data sheet  
Rev. 1 — 7 December 2022  
10 / 18  
 
Nexperia  
74AVCH2T45-Q100  
Dual-bit, dual-supply voltage level translator/transceiver; 3-state  
11.1. Waveforms and test circuit  
V
I
V
nA, nB input  
GND  
M
t
t
PLH  
PHL  
V
OH  
nB, nA output  
V
M
001aak114  
V
OL  
Measurement points are given in Table 14.  
VOL and VOH are typical output voltage levels that occur with the output load.  
Fig. 3. The data input (nA, nB) to output (nB, nA) propagation delay times  
V
I
DIR input  
V
M
t
GND  
t
PLZ  
PZL  
V
CCO  
output  
V
LOW-to-OFF  
OFF-to-LOW  
M
V
X
V
OL  
t
t
PZH  
PHZ  
V
OH  
V
Y
output  
HIGH-to-OFF  
V
M
OFF-to-HIGH  
GND  
outputs  
enabled  
outputs  
disabled  
outputs  
enabled  
001aae968  
Measurement points are given in Table 14.  
VOL and VOH are typical output voltage levels that occur with the output load.  
Fig. 4. 3-state enable and disable times  
Table 14. Measurement points  
Supply voltage  
VCC(A), VCC(B)  
1.1 V to 1.6 V  
1.65 V to 2.7 V  
3.0 V to 3.6 V  
Input[1]  
VM  
Output[2]  
VM  
VX  
VY  
0.5VCCI  
0.5VCCI  
0.5VCCI  
0.5VCCO  
0.5VCCO  
0.5VCCO  
VOL + 0.1 V  
VOH - 0.1 V  
VOH - 0.15 V  
VOH - 0.3 V  
VOL + 0.15 V  
VOL + 0.3 V  
[1] VCCI is the supply voltage associated with the data input port.  
[2] VCCO is the supply voltage associated with the output port.  
©
74AVCH2T45_Q100  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2022. All rights reserved  
Product data sheet  
Rev. 1 — 7 December 2022  
11 / 18  
 
 
 
 
 
Nexperia  
74AVCH2T45-Q100  
Dual-bit, dual-supply voltage level translator/transceiver; 3-state  
t
W
V
I
90 %  
negative  
pulse  
V
V
V
M
M
10 %  
0 V  
t
t
r
f
t
t
f
r
V
I
90 %  
positive  
pulse  
V
M
M
10 %  
0 V  
t
W
V
EXT  
R
V
CC  
L
V
V
O
I
G
DUT  
R
T
C
L
R
L
001aae331  
Test data is given in Table 15.  
RL = Load resistance;  
CL = Load capacitance including jig and probe capacitance;  
RT = Termination resistance;  
VEXT = External voltage for measuring switching times.  
Fig. 5. Test circuit for measuring switching times  
Table 15. Test data  
Supply voltage  
VCC(A), VCC(B)  
1.1 V to 1.6 V  
1.65 V to 2.7 V  
3.0 V to 3.6 V  
Input  
VI [1]  
VCCI  
VCCI  
VCCI  
Load  
CL  
VEXT  
Δt/ΔV [2]  
≤ 1.0 ns/V  
≤ 1.0 ns/V  
≤ 1.0 ns/V  
RL  
tPLH, tPHL  
tPZH, tPHZ  
GND  
tPZL, tPLZ [3]  
2VCCO  
15 pF  
15 pF  
15 pF  
2 kΩ  
2 kΩ  
2 kΩ  
open  
open  
open  
GND  
2VCCO  
GND  
2VCCO  
[1] VCCI is the supply voltage associated with the data input port.  
[2] dV/dt ≥ 1.0 V/ns  
[3] VCCO is the supply voltage associated with the output port.  
©
74AVCH2T45_Q100  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2022. All rights reserved  
Product data sheet  
Rev. 1 — 7 December 2022  
12 / 18  
 
 
 
Nexperia  
74AVCH2T45-Q100  
Dual-bit, dual-supply voltage level translator/transceiver; 3-state  
12. Application information  
12.1. Unidirectional logic level-shifting application  
The circuit given in Fig. 6 is an example of the 74AVCH2T45-Q100 being used in an unidirectional  
logic level-shifting application.  
V
V
CC2  
CC1  
74AVCH2T45  
V
V
CC(B)  
V
V
V
V
CC(A)  
1A  
CC1  
CC1  
CC2  
CC2  
1
2
3
4
8
7
6
5
1B  
2A  
2B  
GND  
DIR  
system-1  
system-2  
001aag585  
Fig. 6. Unidirectional logic level-shifting application  
Table 16. Unidirectional logic level-shifting application  
Pin  
1
Name  
VCC(A)  
1A  
Function  
VCC1  
OUT1  
OUT2  
GND  
DIR  
Description  
supply voltage of system-1 (0.8 V to 3.6 V)  
output level depends on VCC1 voltage  
output level depends on VCC1 voltage  
device GND  
2
3
2A  
4
GND  
DIR  
5
the GND (LOW level) determines B port to A port direction  
input threshold value depends on VCC2 voltage  
input threshold value depends on VCC2 voltage  
supply voltage of system-2 (0.8 V to 3.6 V)  
6
2B  
IN2  
7
1B  
IN1  
8
VCC(B)  
VCC2  
12.2. Bidirectional logic level-shifting application  
Fig. 7 shows the 74AVCH2T45-Q100 being used in a bidirectional logic level-shifting application.  
Since the device does not have an output enable (OE) pin, the system designer should take  
precautions to avoid bus contention between system-1 and system-2 when changing directions.  
V
V
V
V
CC2  
CC1  
CC1  
CC2  
74AVCH2T45  
V
V
CC(B)  
CC(A)  
1A  
I/O-1  
I/O-2  
1
2
3
4
8
7
6
5
1B  
2A  
2B  
GND  
DIR  
DIR CTRL  
system-1  
system-2  
001aag586  
Fig. 7. Bidirectional logic level-shifting application  
©
74AVCH2T45_Q100  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2022. All rights reserved  
Product data sheet  
Rev. 1 — 7 December 2022  
13 / 18  
 
 
 
 
 
Nexperia  
74AVCH2T45-Q100  
Dual-bit, dual-supply voltage level translator/transceiver; 3-state  
Table 17 gives a sequence that will illustrate data transmission from system-1 to system-2 and then  
from system-2 to system-1.  
Table 17. Bidirectional logic level-shifting application [1]  
State DIR CTRL I/O-1  
I/O-2  
input  
Z
Description  
1
2
H
H
output  
Z
system-1 data to system-2  
system-2 is getting ready to send data to system-1.  
I/O-1 and I/O-2 are disabled.  
The bus-line state depends on bus hold.  
3
4
L
L
Z
Z
DIR bit is set LOW. I/O-1 and I/O-2 still are disabled.  
The bus-line state depends on bus hold.  
input  
output  
system-2 data to system-1  
[1] H = HIGH voltage level;  
L = LOW voltage level;  
Z = high-impedance OFF-state.  
12.3. Power-up considerations  
The device is designed such that no special power-up sequence is required other than GND being  
applied first.  
Table 18. Typical total supply current (ICC(A) + ICC(B)  
)
VCC(A)  
VCC(B)  
Unit  
0 V  
0
0.8 V  
0.1  
0.1  
0.1  
0.1  
0.1  
0.7  
2.3  
1.2 V  
0.1  
0.1  
0.1  
0.1  
0.1  
0.3  
1.4  
1.5 V  
0.1  
0.1  
0.1  
0.1  
0.1  
0.1  
0.9  
1.8 V  
0.1  
0.1  
0.1  
0.1  
0.1  
0.1  
0.5  
2.5 V  
0.1  
0.7  
0.3  
0.1  
0.1  
0.1  
0.1  
3.3 V  
0.1  
2.3  
1.4  
0.9  
0.5  
0.1  
0.1  
0 V  
μA  
μA  
μA  
μA  
μA  
μA  
μA  
0.8 V  
1.2 V  
1.5 V  
1.8 V  
2.5 V  
3.3 V  
0.1  
0.1  
0.1  
0.1  
0.1  
0.1  
12.4. Enable times  
The enable times for the 74AVCH2T45-Q100 are calculated from the following formulas:  
ten (DIR to nA) = tdis (DIR to nB) + tpd (nB to nA)  
ten (DIR to nB) = tdis (DIR to nA) + tpd (nA to nB)  
In a bidirectional application, these enable times provide the maximum delay from the time the  
DIR bit is switched until an output is expected. For example, if the 74AVCH2T45-Q100 initially is  
transmitting from A to B, then the DIR bit is switched, the B port of the device must be disabled  
before presenting it with an input. After the B port has been disabled, an input signal applied to it  
appears on the corresponding A port after the specified propagation delay.  
©
74AVCH2T45_Q100  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2022. All rights reserved  
Product data sheet  
Rev. 1 — 7 December 2022  
14 / 18  
 
 
 
 
Nexperia  
74AVCH2T45-Q100  
Dual-bit, dual-supply voltage level translator/transceiver; 3-state  
13. Package outline  
VSSOP8: plastic very thin shrink small outline package; 8 leads; body width 2.3 mm  
SOT765-1  
D
E
A
X
c
y
H
E
v
A
Z
5
8
Q
A
2
A
A
(A )  
3
1
pin 1 index  
θ
L
p
detail X  
1
4
L
e
w
b
p
0
5 mm  
scale  
Dimensions (mm are the original dimensions)  
A
(1)  
(2)  
(1)  
Unit  
A
A
A
b
c
D
E
e
H
E
L
L
p
Q
v
w
y
Z
θ
1
2
3
p
max.  
max  
mm nom  
min  
0.15 0.85  
0.00 0.60  
0.27 0.23 2.1 2.4  
0.17 0.08 1.9 2.2  
3.2  
3.0  
0.40 0.21  
0.15 0.19  
0.4  
8°  
0°  
1
0.12  
0.5  
0.4  
0.2 0.08 0.1  
0.1  
Note  
1. Plastic or metal protrusions of 0.15 mm maximum per side are not included.  
2. Plastic or metal protrusions of 0.25 mm maximum per side are not included.  
sot765-1_po  
References  
Outline  
version  
European  
projection  
Issue date  
IEC  
JEDEC  
JEITA  
07-06-02  
16-05-31  
SOT765-1  
MO-187  
Fig. 8. Package outline SOT765-1 (VSSOP8)  
©
74AVCH2T45_Q100  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2022. All rights reserved  
Product data sheet  
Rev. 1 — 7 December 2022  
15 / 18  
 
Nexperia  
74AVCH2T45-Q100  
Dual-bit, dual-supply voltage level translator/transceiver; 3-state  
14. Abbreviations  
Table 19. Abbreviations  
Acronym  
Description  
CDM  
DUT  
ESD  
HBM  
Charged Device Model  
Device Under Test  
ElectroStatic Discharge  
Human Body Model  
15. Revision history  
Table 20. Revision history  
Document ID  
Release date Data sheet status  
20221207 Product data sheet  
Change notice Supersedes  
74AVCH2T45_Q100 v.1  
-
-
©
74AVCH2T45_Q100  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2022. All rights reserved  
Product data sheet  
Rev. 1 — 7 December 2022  
16 / 18  
 
 
Nexperia  
74AVCH2T45-Q100  
Dual-bit, dual-supply voltage level translator/transceiver; 3-state  
equipment, nor in applications where failure or malfunction of an Nexperia  
product can reasonably be expected to result in personal injury, death or  
severe property or environmental damage. Nexperia and its suppliers accept  
no liability for inclusion and/or use of Nexperia products in such equipment or  
applications and therefore such inclusion and/or use is at the customer's own  
risk.  
16. Legal information  
Data sheet status  
Quick reference data — The Quick reference data is an extract of the  
product data given in the Limiting values and Characteristics sections of this  
document, and as such is not complete, exhaustive or legally binding.  
Document status Product  
Definition  
[1][2]  
status [3]  
Applications — Applications that are described herein for any of these  
Objective [short]  
data sheet  
Development  
This document contains data from  
the objective specification for  
product development.  
products are for illustrative purposes only. Nexperia makes no representation  
or warranty that such applications will be suitable for the specified use  
without further testing or modification.  
Preliminary [short]  
data sheet  
Qualification  
Production  
This document contains data from  
the preliminary specification.  
Customers are responsible for the design and operation of their applications  
and products using Nexperia products, and Nexperia accepts no liability for  
any assistance with applications or customer product design. It is customer’s  
sole responsibility to determine whether the Nexperia product is suitable  
and fit for the customer’s applications and products planned, as well as  
for the planned application and use of customer’s third party customer(s).  
Customers should provide appropriate design and operating safeguards to  
minimize the risks associated with their applications and products.  
Product [short]  
data sheet  
This document contains the product  
specification.  
[1] Please consult the most recently issued document before initiating or  
completing a design.  
[2] The term 'short data sheet' is explained in section "Definitions".  
[3] The product status of device(s) described in this document may have  
changed since this document was published and may differ in case of  
multiple devices. The latest product status information is available on  
the internet at https://www.nexperia.com.  
Nexperia does not accept any liability related to any default, damage, costs  
or problem which is based on any weakness or default in the customer’s  
applications or products, or the application or use by customer’s third party  
customer(s). Customer is responsible for doing all necessary testing for the  
customer’s applications and products using Nexperia products in order to  
avoid a default of the applications and the products or of the application or  
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liability in this respect.  
Definitions  
Draft — The document is a draft version only. The content is still under  
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modifications or additions. Nexperia does not give any representations or  
warranties as to the accuracy or completeness of information included herein  
and shall have no liability for the consequences of use of such information.  
Limiting values — Stress above one or more limiting values (as defined in  
the Absolute Maximum Ratings System of IEC 60134) will cause permanent  
damage to the device. Limiting values are stress ratings only and (proper)  
operation of the device at these or any other conditions above those  
given in the Recommended operating conditions section (if present) or the  
Characteristics sections of this document is not warranted. Constant or  
repeated exposure to limiting values will permanently and irreversibly affect  
the quality and reliability of the device.  
Short data sheet — A short data sheet is an extract from a full data sheet  
with the same product type number(s) and title. A short data sheet is  
intended for quick reference only and should not be relied upon to contain  
detailed and full information. For detailed and full information see the relevant  
full data sheet, which is available on request via the local Nexperia sales  
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terms and conditions with regard to the purchase of Nexperia products by  
customer.  
Product specification — The information and data provided in a Product  
data sheet shall define the specification of the product as agreed between  
Nexperia and its customer, unless Nexperia and customer have explicitly  
agreed otherwise in writing. In no event however, shall an agreement be  
valid in which the Nexperia product is deemed to offer functions and qualities  
beyond those described in the Product data sheet.  
No offer to sell or license — Nothing in this document may be interpreted  
or construed as an offer to sell products that is open for acceptance or the  
grant, conveyance or implication of any license under any copyrights, patents  
or other industrial or intellectual property rights.  
Disclaimers  
Export control — This document as well as the item(s) described herein  
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Limited warranty and liability — Information in this document is believed  
to be accurate and reliable. However, Nexperia does not give any  
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Translations — A non-English (translated) version of a document is for  
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In no event shall Nexperia be liable for any indirect, incidental, punitive,  
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Notice: All referenced brands, product names, service names and  
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Notwithstanding any damages that customer might incur for any reason  
whatsoever, Nexperia’s aggregate and cumulative liability towards customer  
for the products described herein shall be limited in accordance with the  
Terms and conditions of commercial sale of Nexperia.  
Right to make changes — Nexperia reserves the right to make changes  
to information published in this document, including without limitation  
specifications and product descriptions, at any time and without notice. This  
document supersedes and replaces all information supplied prior to the  
publication hereof.  
Suitability for use in automotive applications — This Nexperia product  
has been qualified for use in automotive applications. Unless otherwise  
agreed in writing, the product is not designed, authorized or warranted to  
be suitable for use in life support, life-critical or safety-critical systems or  
©
74AVCH2T45_Q100  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2022. All rights reserved  
Product data sheet  
Rev. 1 — 7 December 2022  
17 / 18  
 
Nexperia  
74AVCH2T45-Q100  
Dual-bit, dual-supply voltage level translator/transceiver; 3-state  
Contents  
1. General description......................................................1  
2. Features and benefits.................................................. 1  
3. Ordering information....................................................2  
4. Marking..........................................................................2  
5. Functional diagram.......................................................2  
6. Pinning information......................................................3  
6.1. Pinning.........................................................................3  
6.2. Pin description.............................................................3  
7. Functional description................................................. 3  
8. Limiting values............................................................. 4  
9. Recommended operating conditions..........................4  
10. Static characteristics..................................................5  
11. Dynamic characteristics.............................................8  
11.1. Waveforms and test circuit.......................................11  
12. Application information........................................... 13  
12.1. Unidirectional logic level-shifting application............13  
12.2. Bidirectional logic level-shifting application..............13  
12.3. Power-up considerations......................................... 14  
12.4. Enable times............................................................14  
13. Package outline........................................................ 15  
14. Abbreviations............................................................16  
15. Revision history........................................................16  
16. Legal information......................................................17  
© Nexperia B.V. 2022. All rights reserved  
For more information, please visit: http://www.nexperia.com  
For sales office addresses, please send an email to: salesaddresses@nexperia.com  
Date of release: 7 December 2022  
©
74AVCH2T45_Q100  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2022. All rights reserved  
Product data sheet  
Rev. 1 — 7 December 2022  
18 / 18  

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