74HC374D [NEXPERIA]

Octal D-type flip-flop; positive edge-trigger; 3-stateProduction;
74HC374D
型号: 74HC374D
厂家: Nexperia    Nexperia
描述:

Octal D-type flip-flop; positive edge-trigger; 3-stateProduction

驱动 光电二极管 逻辑集成电路
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74HC374; 74HCT374  
Octal D-type flip-flop; positive edge-trigger; 3-state  
Rev. 5 — 7 September 2021  
Product data sheet  
1. General description  
The 74HC374; 74HCT374 is an octal positive-edge triggered D-type flip-flop with 3-state outputs.  
The device features a clock (CP) and output enable (OE) inputs. The flip-flops will store the state  
of their individual D-inputs that meet the set-up and hold time requirements on the LOW-to-HIGH  
clock (CP) transition. A HIGH on OE causes the outputs to assume a high-impedance OFF-state.  
Operation of the OE input does not affect the state of the flip-flops. Inputs also include clamp  
diodes, this enables the use of current limiting resistors to interface inputs to voltages in excess of  
VCC  
.
2. Features and benefits  
Wide supply voltage range from 2.0 to 6.0 V  
CMOS low power dissipation  
High noise immunity  
Input levels:  
For 74HC374: CMOS level  
For 74HCT374: TTL level  
Octal bus interface  
Non-inverting 3-state outputs  
8-bit positive, edge-triggered register  
Common 3-state output enable input  
Independent register and 3-state buffer operation  
Complies with JEDEC standards  
JESD8C (2.7 V to 3.6 V)  
JESD7A (2.0 V to 6.0 V)  
Latch-up performance exceeds 100 mA per JESD 78 Class II Level B  
ESD protection:  
HBM JESD22-A114F exceeds 2000 V  
MM JESD22-A115-A exceeds 200 V  
Specified from -40 °C to +85 °C and -40 °C to +125 °C  
3. Ordering information  
Table 1. Ordering information  
Type number  
Package  
Temperature range Name  
Description  
Version  
74HC374D  
−40 °C to +125 °C  
SO20  
plastic small outline package; 20 leads;  
body width 7.5 mm  
SOT163-1  
74HCT374D  
74HC374PW  
74HCT374PW  
−40 °C to +125 °C  
TSSOP20  
plastic thin shrink small outline package; 20 leads; SOT360-1  
body width 4.4 mm  
 
 
 
Nexperia  
74HC374; 74HCT374  
Octal D-type flip-flop; positive edge-trigger; 3-state  
4. Functional diagram  
1
EN  
C1  
11  
Q0  
Q1  
Q2  
Q3  
Q4  
Q5  
Q6  
3
4
2
5
D0  
D1  
D2  
D3  
D4  
11  
3
2
1D  
CP  
7
6
3
4
2
5
D0  
D1  
D2  
D3  
D4  
D5  
D6  
D7  
Q0  
Q1  
Q2  
Q3  
Q4  
Q5  
Q6  
Q7  
4
7
8
5
6
9
FF1  
to  
FF8  
8
9
3-STATE  
OUTPUTS  
13  
12  
15  
16  
7
6
14 D5  
8
9
17  
18  
D6  
D7  
13  
14  
17  
18  
12  
15  
16  
19  
13  
14  
17  
18  
12  
15  
16  
19  
Q7 19  
CP  
OE  
11  
1
OE  
1
mna891  
mna196  
mna892  
Fig. 1. Logic symbol  
Fig. 2. IEC logic symbol  
Fig. 3. Functional diagram  
D0  
D1  
D2  
D3  
D4  
D5  
D6  
D7  
D
Q
D
Q
D
Q
D
Q
D
Q
D
Q
D
Q
D
Q
CP  
CP  
CP  
CP  
CP  
CP  
CP  
CP  
FF8  
FF1  
FF2  
FF3  
FF4  
FF5  
FF6  
FF7  
CP  
OE  
Q0  
Q1  
Q2  
Q3  
Q4  
Q5  
Q6  
Q7  
mna893  
Fig. 4. Logic diagram  
©
74HC_HCT374  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2021. All rights reserved  
Product data sheet  
Rev. 5 — 7 September 2021  
2 / 15  
 
Nexperia  
74HC374; 74HCT374  
Octal D-type flip-flop; positive edge-trigger; 3-state  
5. Pinning information  
5.1. Pinning  
74HC374  
74HC374  
74HCT374  
74HCT374  
1
2
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
1
2
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
OE  
Q0  
V
OE  
Q0  
V
CC  
CC  
Q7  
D7  
D6  
Q6  
Q5  
D5  
D4  
Q4  
CP  
Q7  
D7  
D6  
Q6  
Q5  
D5  
D4  
Q4  
CP  
3
3
D0  
D0  
4
4
D1  
D1  
5
5
Q1  
Q1  
6
6
Q2  
Q2  
7
7
D2  
D2  
8
8
D3  
D3  
9
9
Q3  
Q3  
10  
10  
GND  
GND  
aaa-028158  
aaa-028159  
Fig. 5. Pin configuration SOT163-1 (SO20)  
Fig. 6. Pin configuration SOT360-1 (TSSOP20)  
5.2. Pin description  
Table 2. Pin description  
Symbol  
Pin  
Description  
D0, D1, D2, D3, D4, D5, D6, D7  
3, 4, 7, 8, 13, 14, 17, 18  
data inputs  
Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7  
2, 5, 6, 9, 12, 15, 16, 19  
data outputs  
OE  
1
output enable input (active LOW)  
clock pulse input (active rising edge)  
ground (0 V)  
CP  
11  
10  
20  
GND  
VCC  
supply voltage  
6. Functional description  
Table 3. Function table  
H = HIGH voltage level; h = HIGH voltage level one set-up time prior to the LOW-to-HIGH clock transition;  
L = LOW voltage level; l = LOW voltage level one set-up time prior to the LOW-to-HIGH clock transition;  
Z = high-impedance OFF-state; ↑ = LOW-to-HIGH clock transition.  
Operating mode  
Input  
OE  
L
Internal  
flip-flops  
Output  
CP  
Dn  
Qn  
L
Load and read register  
Load register and disable outputs  
l
L
L
h
l
H
L
H
Z
H
H
h
H
Z
©
74HC_HCT374  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2021. All rights reserved  
Product data sheet  
Rev. 5 — 7 September 2021  
3 / 15  
 
 
 
 
Nexperia  
74HC374; 74HCT374  
Octal D-type flip-flop; positive edge-trigger; 3-state  
7. Limiting values  
Table 4. Limiting values  
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).  
Symbol Parameter  
Conditions  
Min  
Max  
+7  
Unit  
V
VCC  
IIK  
supply voltage  
-0.5  
input clamping current  
output clamping current  
output current  
VI < -0.5 V or VI > VCC + 0.5 V  
VO < -0.5 V or VO > VCC + 0.5 V  
-0.5 V < VO < VCC + 0.5 V  
-
±20  
±20  
±35  
70  
mA  
mA  
mA  
mA  
mA  
°C  
IOK  
IO  
-
-
ICC  
IGND  
Tstg  
Ptot  
supply current  
-
ground current  
-70  
-65  
-
-
storage temperature  
total power dissipation  
+150  
500  
[1]  
mW  
[1] For SOT163-1 (SO20) package: Ptot derates linearly with 12.3 mW/K above 109 °C.  
For SOT360-1 (TSSOP20) package: Ptot derates linearly with 10.0 mW/K above 100 °C.  
8. Recommended operating conditions  
Table 5. Recommended operating conditions  
Symbol Parameter  
Conditions  
74HC374  
74HCT374  
Unit  
Min  
Typ  
Max  
6.0  
Min  
Typ  
Max  
5.5  
VCC  
VCC  
-
VCC  
VI  
supply voltage  
2.0  
5.0  
4.5  
5.0  
V
input voltage  
0
0
-
VCC  
VCC  
625  
139  
83  
0
0
-
V
VO  
output voltage  
-
-
-
-
V
Δt/ΔV  
input transition rise and fall rate  
VCC = 2.0 V  
VCC = 4.5 V  
VCC = 6.0 V  
-
-
ns/V  
-
1.67  
-
-
1.67  
-
139 ns/V  
ns/V  
+125 °C  
-
-
-
Tamb  
ambient temperature  
-40  
+25  
+125  
-40  
+25  
©
74HC_HCT374  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2021. All rights reserved  
Product data sheet  
Rev. 5 — 7 September 2021  
4 / 15  
 
 
 
Nexperia  
74HC374; 74HCT374  
Octal D-type flip-flop; positive edge-trigger; 3-state  
9. Static characteristics  
Table 6. Static characteristics  
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).  
Symbol Parameter  
Conditions  
Tamb (°C)  
-40 to +85  
Unit  
25  
-40 to +125  
Min  
Typ  
Max  
Min  
Max  
Min  
Max  
74HC374  
VIH  
HIGH-level  
input voltage  
VCC = 2.0 V  
VCC = 4.5 V  
VCC = 6.0 V  
VCC = 2.0 V  
VCC = 4.5 V  
VCC = 6.0 V  
VI = VIH or VIL  
1.5  
1.2  
2.4  
3.2  
0.8  
2.1  
2.8  
-
-
1.5  
-
-
1.5  
-
-
V
V
V
V
V
V
3.15  
3.15  
3.15  
4.2  
-
4.2  
-
4.2  
-
VIL  
LOW-level  
input voltage  
-
-
-
0.5  
1.35  
1.8  
-
-
-
0.5  
1.35  
1.8  
-
-
-
0.5  
1.35  
1.8  
VOH  
HIGH-level  
output voltage  
IO = -20 μA; VCC = 2.0 V  
1.9  
4.4  
2.0  
4.5  
-
-
-
-
-
1.9  
4.4  
-
-
-
-
-
1.9  
4.4  
5.9  
3.7  
5.2  
-
-
-
-
-
V
V
V
V
V
IO = -20 μA; VCC = 4.5 V  
IO = -20 μA; VCC = 6.0 V  
IO = -6.0 mA; VCC = 4.5 V  
IO = -7.8 mA; VCC = 6.0 V  
5.9  
6.0  
5.9  
3.98  
5.48  
4.32  
5.81  
3.84  
5.34  
VOL  
LOW-level  
VI = VIH or VIL  
output voltage  
IO = 20 μA; VCC = 2.0 V  
IO = 20 μA; VCC = 4.5 V  
IO = 20 μA; VCC = 6.0 V  
IO = 6.0 mA; VCC = 4.5 V  
IO = 7.8 mA; VCC = 6.0 V  
-
-
-
-
-
-
0
0
0.1  
0.1  
-
-
-
-
-
-
0.1  
0.1  
-
-
-
-
-
-
0.1  
0.1  
0.1  
0.4  
0.4  
V
V
V
V
V
0
0.1  
0.1  
0.15  
0.16  
-
0.26  
0.26  
±0.1  
0.33  
0.33  
±1.0  
II  
input leakage VI = VCC or GND; VCC = 6.0 V  
current  
±1.0 μA  
±10 μA  
160 μA  
IOZ  
ICC  
CI  
OFF-state  
output current VO = VCC or GND  
VI = VIH or VIL; VCC = 6.0 V;  
-
-
-
-
-
±0.5  
8.0  
-
-
-
-
±5.0  
80  
-
-
-
-
supply current VI = VCC or GND; IO = 0 A;  
VCC = 6.0 V  
input  
3.5  
-
pF  
capacitance  
©
74HC_HCT374  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2021. All rights reserved  
Product data sheet  
Rev. 5 — 7 September 2021  
5 / 15  
 
Nexperia  
74HC374; 74HCT374  
Octal D-type flip-flop; positive edge-trigger; 3-state  
Symbol Parameter  
Conditions  
Tamb (°C)  
-40 to +85  
Unit  
25  
-40 to +125  
Min  
Typ  
Max  
Min  
Max  
Min  
Max  
74HCT374  
VIH  
VIL  
HIGH-level  
input voltage  
VCC = 4.5 V to 5.5 V  
VCC = 4.5 V to 5.5 V  
2.0  
-
1.6  
1.2  
-
2.0  
-
-
2.0  
-
-
V
V
LOW-level  
0.8  
0.8  
0.8  
input voltage  
VOH  
HIGH-level  
output voltage  
VI = VIH or VIL; VCC = 4.5 V  
IO = -20 μA  
4.4  
4.5  
-
-
4.4  
-
-
4.4  
3.7  
-
-
V
V
IO = -6 mA  
3.98  
4.32  
3.84  
VOL  
LOW-level  
output voltage  
VI = VIH or VIL; VCC = 4.5 V  
IO = 20 μA  
-
-
-
0
0.16  
-
0.1  
-
-
-
0.1  
-
-
-
0.1  
0.4  
V
V
IO = 6.0 mA  
0.26  
±0.1  
0.33  
±1.0  
II  
input leakage VI = VCC or GND; VCC = 5.5 V  
current  
±1.0 μA  
±10 μA  
160 μA  
IOZ  
ICC  
ΔICC  
OFF-state  
VI = VIH or VIL; VCC = 5.5 V;  
output current VO = VCC or GND  
-
-
-
-
±0.5  
8.0  
-
-
±5.0  
80  
-
-
supply current VI = VCC or GND; VCC = 5.5 V;  
IO = 0 A  
additional  
per input pin; VI = VCC - 2.1 V;  
supply current other inputs at VCC or GND;  
VCC = 4.5 V to 5.5 V; IO = 0 A  
OE input  
CP input  
Dn inputs  
-
-
-
-
125  
90  
450  
324  
126  
-
-
-
-
-
563  
405  
158  
-
-
-
-
-
613 μA  
441 μA  
172 μA  
35  
CI  
input  
3.5  
-
pF  
capacitance  
©
74HC_HCT374  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2021. All rights reserved  
Product data sheet  
Rev. 5 — 7 September 2021  
6 / 15  
Nexperia  
74HC374; 74HCT374  
Octal D-type flip-flop; positive edge-trigger; 3-state  
10. Dynamic characteristics  
Table 7. Dynamic characteristics  
Voltages are referenced to GND (ground = 0 V); for test circuit see Fig. 9.  
Symbol Parameter  
Conditions  
Tamb (°C)  
-40 to +85  
Unit  
25  
-40 to +125  
Min  
Typ  
Max  
Min  
Max  
Min  
Max  
74HC374  
tpd  
propagation  
delay  
CP to Qn; see Fig. 7  
VCC = 2.0 V  
[1]  
-
-
-
-
50  
18  
15  
14  
165  
33  
-
-
-
-
-
205  
41  
-
-
-
-
-
250 ns  
50 ns  
VCC = 4.5 V  
VCC = 5.0 V; CL = 15 pF  
VCC = 6.0 V  
-
ns  
28  
35  
43 ns  
ten  
tdis  
tt  
enable time  
disable time  
OE to Qn; see Fig. 8  
VCC = 2.0 V  
[2]  
[3]  
[4]  
-
-
-
41  
15  
12  
150  
30  
-
-
-
190  
38  
-
-
-
225 ns  
45 ns  
38 ns  
VCC = 4.5 V  
VCC = 6.0 V  
26  
33  
OE to Qn; see Fig. 8  
VCC = 2.0 V  
-
-
-
50  
18  
14  
150  
30  
-
-
-
190  
38  
-
-
-
225 ns  
45 ns  
38 ns  
VCC = 4.5 V  
VCC = 6.0 V  
26  
33  
transition time Qn; see Fig. 7  
VCC = 2.0 V  
-
-
-
14  
5
60  
12  
10  
-
-
-
75  
15  
13  
-
-
-
90 ns  
18 ns  
15 ns  
VCC = 4.5 V  
VCC = 6.0 V  
4
tW  
tsu  
th  
pulse width  
set-up time  
hold time  
CP; HIGH or LOW; see Fig. 7  
VCC = 2.0 V  
VCC = 4.5 V  
80  
16  
14  
19  
7
-
-
-
100  
20  
-
-
-
120  
24  
-
-
-
ns  
ns  
ns  
VCC = 6.0 V  
6
17  
20  
Dn to CP; see Fig. 7  
VCC = 2.0 V  
60  
12  
10  
14  
5
-
-
-
75  
15  
13  
-
-
-
90  
18  
15  
-
-
-
ns  
ns  
ns  
VCC = 4.5 V  
VCC = 6.0 V  
4
Dn to CP; see Fig. 7  
VCC = 2.0 V  
5
5
5
-6  
-2  
-2  
-
-
-
5
5
5
-
-
-
5
5
5
-
-
-
ns  
ns  
ns  
VCC = 4.5 V  
VCC = 6.0 V  
fmax  
maximum  
frequency  
CP; see Fig. 7  
VCC = 2.0 V  
6.0  
30  
-
23  
70  
77  
83  
17  
-
-
-
-
-
4.8  
24  
-
-
-
-
-
4.0  
20  
-
-
-
-
-
-
MHz  
MHz  
MHz  
MHz  
pF  
VCC = 4.5 V  
VCC = 5 V; CL= 15 pF  
VCC = 6.0 V  
35  
-
28  
24  
-
CPD  
power  
per flip-flop; VI = GND to VCC [5]  
dissipation  
capacitance  
©
74HC_HCT374  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2021. All rights reserved  
Product data sheet  
Rev. 5 — 7 September 2021  
7 / 15  
 
Nexperia  
74HC374; 74HCT374  
Octal D-type flip-flop; positive edge-trigger; 3-state  
Symbol Parameter  
Conditions  
Tamb (°C)  
-40 to +85  
Unit  
25  
-40 to +125  
Min  
Typ  
Max  
Min  
Max  
Min  
Max  
74HCT374  
tpd  
propagation  
delay  
CP to Qn; see Fig. 7  
VCC = 4.5 V  
[1]  
-
-
-
16  
13  
16  
32  
-
-
-
-
40  
-
-
-
-
48 ns  
ns  
VCC = 5.0 V; CL = 15 pF  
-
ten  
enable time  
disable time  
OE to Qn; VCC = 4.5 V;  
see Fig. 8  
[2]  
[3]  
[4]  
30  
38  
45 ns  
42 ns  
18 ns  
tdis  
OE to Qn; VCC = 4.5 V;  
see Fig. 8  
-
18  
28  
-
35  
-
tt  
transition time Qn; VCC = 4.5 V; see Fig. 7  
-
5
12  
-
-
15  
-
-
tW  
pulse width  
set-up time  
hold time  
CP; HIGH or LOW;  
VCC = 4.5 V; see Fig. 7  
19  
11  
24  
29  
-
-
-
ns  
ns  
ns  
tsu  
th  
Dn to CP; VCC = 4.5 V;  
see Fig. 7  
12  
5
7
-
-
15  
5
-
-
18  
5
Dn to CP; VCC = 4.5 V;  
see Fig. 7  
-3  
fmax  
maximum  
frequency  
CP; VCC = 4.5 V; see Fig. 7  
CP; VCC = 5 V; CL= 15 pF  
26  
-
44  
48  
17  
-
-
-
21  
-
-
-
17  
-
-
-
-
MHz  
MHz  
pF  
CPD  
power  
per flip-flop;  
[5]  
-
-
dissipation  
capacitance  
VI = GND to VCC - 1.5 V  
[1] tpd is the same as tPHL and tPLH  
[2] ten is the same as tPZH and tPZL  
[3] tdis is the same as tPHZ and tPLZ  
[4] tt is the same as tTHL and tTLH  
.
.
.
.
[5] CPD is used to determine the dynamic power dissipation (PD in μW):  
PD = CPD × VCC 2 × fi × N + ∑ (CL × VCC 2 × fo) where:  
fi = input frequency in MHz;  
fo = output frequency in MHz;  
CL = output load capacitance in pF;  
VCC = supply voltage in V;  
N = number of inputs switching;  
∑ (CL × VCC 2 × fo) = sum of outputs.  
©
74HC_HCT374  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2021. All rights reserved  
Product data sheet  
Rev. 5 — 7 September 2021  
8 / 15  
 
Nexperia  
74HC374; 74HCT374  
Octal D-type flip-flop; positive edge-trigger; 3-state  
10.1. Waveforms and test circuit  
V
I
V
Dn input  
GND  
M
t
t
h
h
t
t
su  
su  
1/f  
max  
V
I
CP input  
GND  
V
M
t
W
t
t
PHL  
PLH  
V
OH  
90 %  
90 %  
V
Qn output  
M
10 %  
10 %  
V
OL  
t
t
THL  
TLH  
aaa-028160  
Measurement points are given in Table 8.  
The shaded areas indicate when the input is permitted to change for predictable output performance.  
VOL and VOH are typical voltage output levels that occur with the output load.  
Fig. 7. Clock input (CP) to output (Qn) propagation delay, clock pulse width, data (Dn) to clock (CP) set-up and  
hold times, output transition times (Qn) and maximum clock frequency  
V
I
OE input  
V
M
GND  
t
t
PZL  
PLZ  
V
CC  
output  
LOW-to-OFF  
OFF-to-LOW  
V
M
V
X
V
OL  
t
t
PHZ  
PZH  
V
OH  
V
Y
output  
HIGH-to-OFF  
OFF-to-HIGH  
V
M
GND  
outputs  
enabled  
outputs  
enabled  
outputs  
disabled  
mna644  
Measurement points are given in Table 8.  
VOL and VOH are typical voltage output levels that occur with the output load.  
Fig. 8. 3-state enable and disable times  
Table 8. Measurement points  
Type  
Input  
Output  
VM  
VI  
VM  
VX  
VY  
74HC374  
GND to VCC  
GND to 3 V  
0.5 x VCC  
1.3 V  
0.5 x VCC  
1.3 V  
0.1 x VCC  
0.1 x VCC  
0.9 x VCC  
0.9 x VCC  
74HCT374  
©
74HC_HCT374  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2021. All rights reserved  
Product data sheet  
Rev. 5 — 7 September 2021  
9 / 15  
 
 
 
 
Nexperia  
74HC374; 74HCT374  
Octal D-type flip-flop; positive edge-trigger; 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
V
CC  
CC  
V
I
V
O
R
L
S1  
G
open  
DUT  
R
T
C
L
001aad983  
Test data is given in Table 9.  
Definitions:  
RT = Termination resistance should be equal to output impedance Zo of the pulse generator  
CL = Load capacitance including jig and probe capacitance  
RL = Load resistance.  
S1 = Test selection switch  
Fig. 9. Test circuit for measuring switching times  
Table 9. Test data  
Type  
Input  
VI  
Load  
S1 position  
tPHL, tPLH  
open  
tr, tf  
CL  
RL  
tPZH, tPHZ  
GND  
tPZL, tPLZ  
VCC  
74HC374  
GND to VCC 6 ns  
GND to 3 V 6 ns  
15 pF, 50 pF  
15 pF, 50 pF  
1 kΩ  
1 kΩ  
74HCT374  
open  
GND  
VCC  
©
74HC_HCT374  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2021. All rights reserved  
Product data sheet  
Rev. 5 — 7 September 2021  
10 / 15  
 
 
Nexperia  
74HC374; 74HCT374  
Octal D-type flip-flop; positive edge-trigger; 3-state  
11. Package outline  
SO20: plastic small outline package; 20 leads; body width 7.5 mm  
SOT163-1  
D
E
A
X
c
y
H
E
v
M
A
Z
20  
11  
Q
A
2
A
(A )  
3
A
1
pin 1 index  
θ
L
p
L
1
10  
w
detail X  
e
M
b
p
0
5
10 mm  
scale  
DIMENSIONS (inch dimensions are derived from the original mm dimensions)  
A
max.  
(1)  
(1)  
(1)  
UNIT  
mm  
A
A
A
b
c
D
E
e
H
L
L
Q
v
w
y
θ
1
2
3
p
E
p
Z
0.3  
0.1  
2.45  
2.25  
0.49  
0.36  
0.32  
0.23  
13.0  
12.6  
7.6  
7.4  
10.65  
10.00  
1.1  
0.4  
1.1  
1.0  
0.9  
0.4  
2.65  
0.1  
0.25  
0.01  
1.27  
0.05  
1.4  
0.25 0.25  
0.1  
8o  
0o  
0.012 0.096  
0.004 0.089  
0.019 0.013 0.51  
0.014 0.009 0.49  
0.30  
0.29  
0.419  
0.394  
0.043 0.043  
0.016 0.039  
0.035  
0.016  
inches  
0.055  
0.01 0.01 0.004  
Note  
1. Plastic or metal protrusions of 0.15 mm (0.006 inch) maximum per side are not included.  
REFERENCES  
OUTLINE  
EUROPEAN  
PROJECTION  
ISSUE DATE  
VERSION  
IEC  
JEDEC  
JEITA  
99-12-27  
03-02-19  
SOT163-1  
075E04  
MS-013  
Fig. 10. Package outline SOT163-1 (SO20)  
©
74HC_HCT374  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2021. All rights reserved  
Product data sheet  
Rev. 5 — 7 September 2021  
11 / 15  
 
Nexperia  
74HC374; 74HCT374  
Octal D-type flip-flop; positive edge-trigger; 3-state  
TSSOP20: plastic thin shrink small outline package; 20 leads; body width 4.4 mm  
SOT360-1  
D
E
A
X
c
H
v
M
A
y
E
Z
11  
20  
Q
A
2
(A )  
3
A
A
1
pin 1 index  
θ
L
p
L
1
10  
detail X  
w
M
b
p
e
0
2.5  
5 mm  
scale  
DIMENSIONS (mm are the original dimensions)  
A
(1)  
(2)  
(1)  
UNIT  
A
A
A
b
c
D
E
e
H
L
L
Q
v
w
y
Z
θ
1
2
3
p
E
p
max.  
8o  
0o  
0.15  
0.05  
0.95  
0.80  
0.30  
0.19  
0.2  
0.1  
6.6  
6.4  
4.5  
4.3  
6.6  
6.2  
0.75  
0.50  
0.4  
0.3  
0.5  
0.2  
mm  
1.1  
0.65  
1
0.2  
0.13  
0.1  
0.25  
Notes  
1. Plastic or metal protrusions of 0.15 mm maximum per side are not included.  
2. Plastic interlead protrusions of 0.25 mm maximum per side are not included.  
REFERENCES  
OUTLINE  
EUROPEAN  
PROJECTION  
ISSUE DATE  
VERSION  
IEC  
JEDEC  
JEITA  
99-12-27  
03-02-19  
SOT360-1  
MO-153  
Fig. 11. Package outline SOT360-1 (TSSOP20)  
©
74HC_HCT374  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2021. All rights reserved  
Product data sheet  
Rev. 5 — 7 September 2021  
12 / 15  
Nexperia  
74HC374; 74HCT374  
Octal D-type flip-flop; positive edge-trigger; 3-state  
12. Abbreviations  
Table 10. Abbreviations  
Acronym  
CMOS  
DUT  
Description  
Complementary Metal-Oxide Semiconductor  
Device Under Test  
ESD  
ElectroStatic Discharge  
Human Body Model  
Machine Model  
HBM  
MM  
TTL  
Transistor-Transistor Logic  
13. Revision history  
Table 11. Revision history  
Document ID  
Release date  
20210907  
Data sheet status  
Change notice  
Supersedes  
74HC_HCT374 v.5  
Modifications:  
Product data sheet  
-
74HC_HCT374 v.4  
Types 74HC374 and 74HCT374 (SOT339-1/SSOP20) removed  
20210302 Product data sheet  
Section 2 updated.  
Section 7: Derating values for Ptot total power dissipation updated.  
Product data sheet  
74HC_HCT374 v.4  
Modifications:  
-
74HC_HCT374 v.3  
74HC_HCT374 v.2  
74HC_HCT374 v.3  
Modifications:  
20180220  
-
The format of this data sheet has been redesigned to comply with the identity guidelines of  
Nexperia.  
Legal texts have been adapted to the new company name where appropriate.  
74HC_HCT374 v.2  
19901201  
Product specification  
-
-
©
74HC_HCT374  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2021. All rights reserved  
Product data sheet  
Rev. 5 — 7 September 2021  
13 / 15  
 
 
Nexperia  
74HC374; 74HCT374  
Octal D-type flip-flop; positive edge-trigger; 3-state  
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.  
14. Legal information  
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.  
Data sheet status  
Document status Product  
Definition  
Applications — Applications that are described herein for any of these  
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.  
[1][2]  
status [3]  
Objective [short]  
data sheet  
Development  
This document contains data from  
the objective specification for  
product development.  
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  
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Customers should provide appropriate design and operating safeguards to  
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Preliminary [short]  
data sheet  
Qualification  
Production  
This document contains data from  
the preliminary specification.  
Product [short]  
data sheet  
This document contains the product  
specification.  
[1] Please consult the most recently issued document before initiating or  
completing a design.  
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  
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[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.  
Definitions  
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.  
Draft — The document is a draft version only. The content is still under  
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warranties as to the accuracy or completeness of information included herein  
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data sheet shall define the specification of the product as agreed between  
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Limited warranty and liability — Information in this document is believed  
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representations or warranties, expressed or implied, as to the accuracy  
or completeness of such information and shall have no liability for the  
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accepts no liability for inclusion and/or use of non-automotive qualified  
products in automotive equipment or applications.  
In no event shall Nexperia be liable for any indirect, incidental, punitive,  
special or consequential damages (including - without limitation - lost  
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or replacement of any products or rework charges) whether or not such  
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In the event that customer uses the product for design-in and use in  
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customer (a) shall use the product without Nexperia’s warranty of the  
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and (c) customer fully indemnifies Nexperia for any liability, damages or failed  
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Notwithstanding any damages that customer might incur for any reason  
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for the products described herein shall be limited in accordance with the  
Terms and conditions of commercial sale of Nexperia.  
Translations — A non-English (translated) version of a document is for  
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specifications and product descriptions, at any time and without notice. This  
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Trademarks  
Suitability for use — Nexperia products are not designed, authorized or  
warranted to be suitable for use in life support, life-critical or safety-critical  
systems or equipment, nor in applications where failure or malfunction  
of an Nexperia product can reasonably be expected to result in personal  
Notice: All referenced brands, product names, service names and  
trademarks are the property of their respective owners.  
©
74HC_HCT374  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2021. All rights reserved  
Product data sheet  
Rev. 5 — 7 September 2021  
14 / 15  
 
Nexperia  
74HC374; 74HCT374  
Octal D-type flip-flop; positive edge-trigger; 3-state  
Contents  
1. General description......................................................1  
2. Features and benefits.................................................. 1  
3. Ordering information....................................................1  
4. Functional diagram.......................................................2  
5. Pinning information......................................................3  
5.1. Pinning.........................................................................3  
5.2. Pin description.............................................................3  
6. Functional description................................................. 3  
7. Limiting values............................................................. 4  
8. Recommended operating conditions..........................4  
9. Static characteristics....................................................5  
10. Dynamic characteristics............................................ 7  
10.1. Waveforms and test circuit........................................ 9  
11. Package outline........................................................ 11  
12. Abbreviations............................................................13  
13. Revision history........................................................13  
14. Legal information......................................................14  
© Nexperia B.V. 2021. 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 September 2021  
©
74HC_HCT374  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2021. All rights reserved  
Product data sheet  
Rev. 5 — 7 September 2021  
15 / 15  

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