IDT74FCT162H501ATPFB [IDT]

FAST CMOS 18-BIT REGISTERED TRANSCEIVER; FAST CMOS 18位寄存收发器
IDT74FCT162H501ATPFB
型号: IDT74FCT162H501ATPFB
厂家: INTEGRATED DEVICE TECHNOLOGY    INTEGRATED DEVICE TECHNOLOGY
描述:

FAST CMOS 18-BIT REGISTERED TRANSCEIVER
FAST CMOS 18位寄存收发器

文件: 总9页 (文件大小:144K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
IDT54/74FCT16501AT/CT/ET  
IDT54/74FCT162501AT/CT/ET  
IDT54/74FCT162H501AT/CT/ET  
FAST CMOS  
18-BIT REGISTERED  
TRANSCEIVER  
Integrated Device Technology, Inc.  
CMOS technology. These high-speed, low-power 18-bit reg-  
istered bus transceivers combine D-type latches and D-type  
flip-flopstoallowdataflowintransparent, latchedandclocked  
modes. Data flow in each direction is controlled by output-  
enable (OEAB and OEBA), latch enable (LEAB and LEBA)  
and clock (CLKAB and CLKBA) inputs. For A-to-B data flow,  
thedeviceoperatesintransparentmodewhenLEABisHIGH.  
When LEAB is LOW, the A data is latched if CLKAB is held at  
a HIGH or LOW logic level. If LEAB is LOW, the A bus data  
isstoredinthelatch/flip-flopontheLOW-to-HIGHtransitionof  
CLKAB. OEAB is the output enable for the B port. Data flow  
fromtheBporttotheAportissimilarbutrequiresusing OEBA,  
LEBA and CLKBA. Flow-through organization of signal pins  
simplifies layout. All inputs are designed with hysteresis for  
improved noise margin.  
FEATURES:  
• Common features:  
– 0.5 MICRON CMOS Technology  
– High-speed, low-power CMOS replacement for  
ABT functions  
Typical tSK(o) (Output Skew) < 250ps  
– Low input and output leakage 1µA (max.)  
– ESD > 2000V per MIL-STD-883, Method 3015;  
> 200V using machine model (C = 200pF, R = 0)  
– Packages include 25 mil pitch SSOP, 19.6 mil pitch  
TSSOP, 15.7 mil pitch TVSOP and 25 mil pitch Cerpack  
– Extended commercial range of -40°C to +85°C  
• Features for FCT16501AT/CT/ET:  
– High drive outputs (-32mA IOH, 64mA IOL)  
– Power off disable outputs permit “live insertion”  
– Typical VOLP (Output Ground Bounce) < 1.0V at  
VCC = 5V, TA = 25°C  
The FCT16501AT/CT/ET are ideally suited for driving  
high-capacitance loads and low-impedance backplanes. The  
output buffers are designed with power off disable capability  
to allow "live insertion" of boards when used as backplane  
drivers.  
• Features for FCT162501AT/CT/ET:  
– Balanced Output Drivers: ±24mA (commercial),  
±16mA (military)  
The FCT162501AT/CT/ET have balanced output drive  
with current limiting resistors. This offers low ground bounce,  
minimalundershoot,andcontrolledoutputfalltimes–reducing  
the need for external series terminating resistors. The  
FCT162501AT/CT/ET are plug-in replacements for the  
FCT16501AT/CT/ET and ABT16501 for on-board bus inter-  
face applications.  
– Reduced system switching noise  
– Typical VOLP (Output Ground Bounce) < 0.6V at  
VCC = 5V,TA = 25°C  
• Features for FCT162H501AT/CT/ET:  
– Bus Hold retains last active bus state during 3-state  
– Eliminates the need for external pull up resistors  
The FCT162H501AT/CT/ET have "Bus Hold" which re-  
tains the input's last state whenever the input goes to high  
impedance. This prevents "floating" inputs and eliminates the  
need for pull-up/down resistors.  
DESCRIPTION:  
The FCT16501AT/CT/ET and FCT162501AT/CT/ET 18-  
bitregisteredtransceiversarebuiltusingadvanceddualmetal  
FUNCTIONAL BLOCK DIAGRAM  
OEAB  
CLKBA  
LEBA  
OEBA  
CLKAB  
LEAB  
C
C
B1  
A1  
D
D
C
D
C
D
TO 17 OTHER CHANNELS  
The IDT logo is a registered trademark of Integrated Device Technology, Inc.  
2547 drw 01  
MILITARY AND COMMERCIAL TEMPERATURE RANGES  
AUGUST 1996  
1996 Integrated Device Technology, Inc.  
5.10  
DSC-2547/8  
1
IDT54/74FCT16501AT/CT/ET, 162501AT/CT/ET, 162H501AT/CT/ET  
FAST CMOS 18-BIT REGISTERED TRANSCEIVER  
MILITARY AND COMMERCIAL TEMPERATURE RANGES  
PIN CONFIGURATIONS  
OEAB  
1
56  
55  
54  
53  
52  
51  
50  
49  
48  
47  
46  
45  
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
GND  
OEAB  
LEAB  
1
56  
55  
54  
53  
52  
51  
50  
49  
48  
47  
46  
45  
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
GND  
LEAB  
A1  
2
CLKAB  
B1  
2
CLKAB  
A1  
3
B
1
3
GND  
4
GND  
GND  
A2  
4
GND  
B2  
A
2
3
5
B
B
V
B
B
B
2
5
A
6
3
A3  
6
B3  
VCC  
7
CC  
4
VCC  
A4  
7
VCC  
B4  
A4  
A5  
A6  
8
8
9
5
A5  
9
B5  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
6
A6  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
B6  
GND  
GND  
GND  
A7  
GND  
B7  
A7  
A8  
A9  
B
B
B
B
B
B
7
8
A8  
B8  
9
SO56-1  
SO56-2  
SO56-3  
A9  
B9  
E56-1  
A10  
A11  
A12  
10  
11  
12  
A10  
A11  
A12  
GND  
A13  
A14  
A15  
VCC  
A16  
A17  
GND  
A18  
B10  
B11  
B12  
GND  
B13  
B14  
B15  
VCC  
B16  
B17  
GND  
B18  
CLKBA  
GND  
GND  
GND  
A13  
A14  
A15  
B
B
B
V
B
B
13  
14  
15  
CC  
16  
17  
VCC  
A16  
A17  
GND  
GND  
A18  
B18  
CLKBA  
GND  
OEBA  
LEBA  
OEBA  
LEBA  
2547 drw 03  
2547 drw 02  
SSOP/  
TSSOP/TVSOP  
TOP VIEW  
CERPACK  
TOP VIEW  
5.10  
2
IDT54/74FCT16501AT/CT/ET, 162501AT/CT/ET, 162H501AT/CT/ET  
FAST CMOS 18-BIT REGISTERED TRANSCEIVER  
MILITARY AND COMMERCIAL TEMPERATURE RANGES  
FUNCTION TABLE(1,4)  
PIN DESCRIPTION  
Pin Names  
OEAB  
OEBA  
LEAB  
LEBA  
CLKAB  
CLKBA  
Ax  
Description  
A-to-B Output Enable Input  
Inputs  
Outputs  
Bx  
OEAB  
LEAB  
CLKAB  
Ax  
X
L
B-to-A Output Enable Input (Active LOW)  
A-to-B Latch Enable Input  
L
X
H
H
L
X
X
X
Z
L
H
H
H
H
H
H
B-to-A Latch Enable Input  
H
L
H
A-to-B Clock Input  
L
B-to-A Clock Input  
A-to-B Data Inputs or B-to-A 3-State Outputs(1)  
B-to-A Data Inputs or A-to-B 3-State Outputs(1)  
L
H
X
X
H
L
L
B(2)  
B(3)  
Bx  
L
H
NOTE:  
2547 tbl 01  
1. On FCT16xH501T these pins have “Bus Hold”. All other pins are standard  
inputs, outputs or I/Os.  
NOTES:  
2547 tbl 02  
1. A-to-B data flow is shown. B-to-A data flow is similar but uses OEBA,  
LEBA, and CLKBA.  
2. Output level before the indicated steady-state input conditions were  
established.  
ABSOLUTE MAXIMUM RATINGS(1)  
3. Output level before the indicated steady-state input conditions were  
established, provided that CLKAB was HIGH before LEAB went LOW.  
4. H = HIGH Voltage Level  
Symbol  
Description  
Max.  
Unit  
(2) Terminal Voltage with Respect to  
VTERM  
–0.5 to +7.0  
V
GND  
L = LOW Voltage Level  
X = Don't Care  
Z = High-impedance  
↑ = LOW-to-HIGH Transition  
(3) Terminal Voltage with Respect to  
GND  
VTERM  
–0.5 to  
VCC +0.5  
V
TSTG  
IOUT  
Storage Temperature  
DC Output Current  
–65 to +150 °C  
–60 to +120 mA  
CAPACITANCE (TA = +25°C, f = 1.0MHz)  
2547 lnk 03  
NOTES:  
1. Stresses greater than those listed under ABSOLUTE MAXIMUM RAT-  
INGS may cause permanent damage to the device. This is a stress rating  
onlyandfunctionaloperationofthedeviceattheseoranyotherconditions  
above those indicated in the operational sections of this specification is  
not implied. Exposure to absolute maximum rating conditions for  
extended periods may affect reliability.  
Symbol  
Parameter(1)  
Input  
Conditions  
Typ. Max. Unit  
CIN  
VIN = 0V  
3.5  
6.0  
pF  
Capacitance  
I/O  
CI/O  
VOUT = 0V  
3.5  
8.0  
pF  
Capacitance  
2. All device terminals except FCT162XXXT Output and I/O terminals.  
3. Output and I/O terminals for FCT162XXXT.  
2547 lnk 04  
NOTE:  
1. This parameter is measured at characterization but not tested.  
5.10  
3
IDT54/74FCT16501AT/CT/ET, 162501AT/CT/ET, 162H501AT/CT/ET  
FAST CMOS 18-BIT REGISTERED TRANSCEIVER  
MILITARY AND COMMERCIAL TEMPERATURE RANGES  
DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE (STANDARD PARTS)  
Following Conditions Apply Unless Otherwise Specified:  
Commercial: TA = –40°C to +85°C, VCC = 5.0V ± 10%; Military: TA = –55°C to +125°C, VCC = 5.0V ± 10%  
Symbol  
Parameter  
Input HIGH Level  
Test Conditions(1)  
Min. Typ.(2) Max.  
Unit  
VIH  
Guaranteed Logic HIGH Level  
2.0  
–80  
0.8  
±1  
V
VIL  
II H  
Input LOW Level  
Guaranteed Logic LOW Level  
V
Input HIGH Current (Input pins)(5)  
Input HIGH Current (I/O pins)(5)  
Input LOW Current (Input pins)(5)  
Input LOW Current (I/O pins)(5)  
High Impedance Output Current  
(3-State Output pins)(5)  
VCC = Max.  
VI = VCC  
µA  
±1  
II L  
VI = GND  
±1  
±1  
IOZH  
IOZL  
VIK  
VCC = Max.  
VO = 2.7V  
VO = 0.5V  
±1  
µA  
±1  
Clamp Diode Voltage  
VCC = Min., IIN = –18mA  
VCC = Max., VO = GND(3)  
0.7  
140  
100  
5
1.2  
225  
V
IOS  
VH  
Short Circuit Current  
mA  
mV  
µA  
Input Hysteresis  
ICCL  
ICCH  
ICCZ  
Quiescent Power Supply Current  
VCC = Max., VIN = GND or VCC  
500  
2547 lnk 05  
OUTPUT DRIVE CHARACTERISTICS FOR FCT16501T  
Symbol  
Parameter  
Test Conditions(1)  
VCC = Max., VO = 2.5V(3)  
Min. Typ.(2) Max.  
Unit  
IO  
Output Drive Current  
–50  
2.5  
2.4  
3.5  
3.5  
180  
mA  
VOH  
Output HIGH Voltage  
VCC = Min.  
IOH = –3mA  
V
V
VIN = VIH or VIL  
IOH = –12mA MIL.  
IOH = –15mA COM'L.  
IOH = –24mA MIL.  
IOH = –32mA COM'L.(4)  
IOL = 48mA MIL.  
2.0  
3.0  
0.2  
0.55  
±1  
V
V
VOL  
Output LOW Voltage  
VCC = Min.  
VIN = VIH or VIL  
IOL = 64mA COM'L.  
IOFF  
Input/Output Power Off Leakage(5) VCC = 0V, VIN or VO 4.5V  
µA  
2547 lnk 06  
OUTPUT DRIVE CHARACTERISTICS FOR FCT162501T  
Symbol  
Parameter  
Test Conditions(1)  
VCC = 5V, VIN = VIH or VIL, VOUT = 1.5V(3)  
Min. Typ.(2) Max.  
Unit  
IODL  
Output LOW Current  
60  
–60  
2.4  
115  
200  
mA  
VOUT = 1.5V(3)  
IODH  
VOH  
Output HIGH Current  
Output HIGH Voltage  
VCC = 5V, VIN = VIH or VIL,  
–115 –200  
mA  
V
VCC = Min.  
IOH = –16mA MIL.  
IOH = –24mA COM'L.  
IOL = 16mA MIL.  
3.3  
0.3  
VIN = VIH or VIL  
VCC = Min.  
VOL  
Output LOW Voltage  
0.55  
V
VIN = VIH or VIL  
IOL = 24mA COM'L.  
2547 lnk 07  
NOTES:  
1. For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for the applicable device type.  
2. Typical values are at Vcc = 5.0V, +25°C ambient.  
3. Not more than one output should be tested at one time. Duration of the test should not exceed one second.  
4. Duration of the condition can not exceed one second.  
5. The test limit for this parameter is ± 5µA at TA = –55°C.  
5.10  
4
IDT54/74FCT16501AT/CT/ET, 162501AT/CT/ET, 162H501AT/CT/ET  
FAST CMOS 18-BIT REGISTERED TRANSCEIVER  
MILITARY AND COMMERCIAL TEMPERATURE RANGES  
DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE (BUS HOLD)  
Following Conditions Apply Unless Otherwise Specified:  
Commercial: TA = –40°C to +85°C, VCC = 5.0V ± 10%; Military: TA = –55°C to +125°C, VCC = 5.0V ± 10%  
Symbol  
Parameter  
Input HIGH Level  
Input LOW Level  
Test Conditions(1)  
Min. Typ.(2) Max.  
Unit  
VIH  
Guaranteed Logic HIGH Level  
2.0  
V
VIL  
Guaranteed Logic LOW Level  
0.8  
V
I
I
I H  
Input  
Standard Input(5)  
V
CC = Max.  
V
I
I
= VCC  
±
1
1
µA  
HIGH  
Current(4)  
Standard I/O(5)  
Bus-Hold Input  
Bus-Hold I/O  
±
±
100  
100  
±
I L  
Input  
LOW  
Standard Input(5)  
Standard I/O(5)  
V
= GND  
±
1
1
±
Current(4) Bus-Hold Input  
±
100  
100  
Bus-Hold I/O  
±
I
I
BHH  
BHL  
Bus Hold  
Bus-Hold Input  
VCC = Min.  
V
I
I
= 2.0V  
= 0.8V  
–50  
+50  
µ
A
A
Sustain  
Current(4)  
V
I
I
OZH  
OZL  
High Impedance Output Current  
(3-State Output pins)(5,6)  
Clamp Diode Voltage  
VCC = Max.  
V
O
O
= 2.7V  
= 0.5V  
±
1
1
µ
V
±
VIK  
V
CC = Min., IIN = –18mA  
0.7  
1.2  
V
I
OS  
Short Circuit Current  
V
CC = Max., V  
O
= GND(3)  
–80  
140  
100  
5
225  
mA  
mV  
V
H
Input Hysteresis  
I
I
I
CCL  
CCH  
CCZ  
Quiescent Power Supply Current  
VCC = Max., VIN = GND or VCC  
500  
µA  
2547 lnk 08  
NOTES:  
1. For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for the applicable device type.  
2. Typical values are at Vcc = 5.0V, +25°C ambient.  
3. Not more than one output should be tested at one time. Duration of the test should not exceed one second.  
4. Pins with Bus Hold are identified in the pin description.  
5. The test limit for this parameter is ± 5µA at TA = –55°C.  
6. Does not include Bus Hold I/O pins.  
5.10  
5
IDT54/74FCT16501AT/CT/ET, 162501AT/CT/ET, 162H501AT/CT/ET  
FAST CMOS 18-BIT REGISTERED TRANSCEIVER  
MILITARY AND COMMERCIAL TEMPERATURE RANGES  
POWER SUPPLY CHARACTERISTICS  
Symbol  
Parameter  
Test Conditions(1)  
Min.  
Typ.(2)  
Max.  
Unit  
ICC  
Quiescent Power Supply  
Current TTL Inputs HIGH  
VCC = Max.  
0.5  
1.5  
mA  
VIN = 3.4V(3)  
ICCD  
IC  
Dynamic Power Supply Current(4)  
Total Power Supply Current(6)  
VCC = Max., Outputs Open  
OEAB = OEBA = VCC or GND VIN = GND  
One Input Toggling  
VIN = VCC  
75  
120  
µA/  
MHz  
50% Duty Cycle  
VCC = Max., Outputs Open  
fCP = 10MHz (CLKAB)  
50% Duty Cycle  
OEAB = OEBA = VCC  
LEAB = GND  
VIN = VCC  
VIN = GND  
0.8  
1.3  
1.7  
3.2  
mA  
VIN = 3.4V  
VIN = GND  
One Bit Toggling  
fi = 5MHz  
50% Duty Cycle  
VCC = Max., Outputs Open  
fCP = 10MHz (CLKAB)  
50% Duty Cycle  
OEAB = OEBA = VCC  
LEAB = GND  
VIN = VCC  
VIN = GND  
3.8  
8.5  
6.5(5)  
VIN = 3.4V  
VIN = GND  
20.8(5)  
Eighteen Bits Toggling  
fi = 2.5MHz  
50% Duty Cycle  
2547 tbl 09  
NOTES:  
1. For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for the applicable device type.  
2. Typical values are at VCC = 5.0V, +25°C ambient.  
3. Per TTL driven input (VIN = 3.4V). All other inputs at VCC or GND.  
4. This parameter is not directly testable, but is derived for use in Total Power Supply Calculations.  
5. Values for these conditions are examples of the ICC formula. These limits are guaranteed but not tested.  
6. IC = IQUIESCENT + IINPUTS + IDYNAMIC  
IC = ICC + ICC DHNT + ICCD (fCPNCP/2 + fiNi)  
ICC = Quiescent Current (ICCL, ICCH and ICCZ)  
ICC = Power Supply Current for a TTL High Input (VIN = 3.4V)  
DH = Duty Cycle for TTL Inputs High  
NT = Number of TTL Inputs at DH  
ICCD = Dynamic Current Caused by an Input Transition Pair (HLH or LHL)  
fCP = Clock Frequency for Register Devices (Zero for Non-Register Devices)  
NCP = Number of Clock Inputs at fCP  
fi = Input Frequency  
Ni = Number of Inputs at fi  
5.10  
6
IDT54/74FCT16501AT/CT/ET, 162501AT/CT/ET, 162H501AT/CT/ET  
FAST CMOS 18-BIT REGISTERED TRANSCEIVER  
MILITARY AND COMMERCIAL TEMPERATURE RANGES  
SWITCHING CHARACTERISTICS OVER OPERATING RANGE  
FCT16501AT/162501AT  
Com'l. Mil.  
Condition(1) Min.(2) Max. Min.(2) Max. Min.(2) Max. Min.(2) Max. Min.(2) Max. Min.(2) Max. Unit  
FCT16501CT/162501CT  
FCT16501ET/162501ET  
Com'l. Mil.  
Com'l. Mil.  
Symbol  
Parameter  
fMAX CLKAB or CLKBA frequency(4) CL = 50pF  
150  
150  
150  
150  
150  
MHz  
ns  
tPLH Propagation Delay  
tPHL Ax to Bx or Bx to Ax  
tPLH Propagation Delay  
tPHL LEBA to Ax, LEAB to Bx  
tPLH Propagation Delay  
tPHL CLKBA to Ax, CLKAB to Bx  
tPZH Output Enable Time  
tPZL OEBA to Ax, OEAB to Bx  
tPHZ Output Disable Time  
tPLZ OEBA to Ax, OEAB to Bx  
RL = 5001.5 5.1 1.5 5.6 1.5 4.6 1.5 4.6 1.5 3.8  
1.5 5.6 1.5 6.0 1.5 5.3 1.5 5.6 1.5 4.2  
1.5 5.6 1.5 6.0 1.5 5.3 1.5 5.4 1.5 4.2  
1.5 6.0 1.5 6.4 1.5 5.6 1.5 6.0 1.5 4.8  
1.5 5.6 1.5 6.0 1.5 5.2 1.5 5.6 1.5 5.2  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
tSU  
Set-up Time, HIGH or LOW  
Ax to CLKAB, Bx to CLKBA  
Hold Time HIGH or LOW  
Ax to CLKAB, Bx to CLKBA  
3.0  
0
0.5  
3.0  
0
0.5  
3.0  
0
0.5  
3.0  
0
0.5  
2.4  
0
0.5  
tH  
tSU  
Set-up Time  
HIGH or LOW  
Ax to LEAB,  
Bx to LEBA  
Clock  
LOW  
Clock  
HIGH  
3.0  
1.5  
1.5  
3.0  
3.0  
3.0  
1.5  
1.5  
3.0  
3.0  
3.0  
1.5  
1.5  
3.0  
3.0  
3.0  
1.5  
1.5  
3.0  
3.0  
2.0  
1.5  
0.5  
3.0  
3.0  
tH  
Hold Time, HIGH or LOW  
Ax to LEAB, Bx to LEBA  
LEAB or LEBA Pulse Width  
tW  
tW  
(4)  
HIGH  
CLKAB or CLKBA Pulse Width  
HIGH or LOW(4)  
tSK(o) Output Skew(3)  
NOTES:  
2547 tbl 10  
1. See test circuits and waveforms.  
2. Minimum limits are guaranteed but not tested on Propagation Delays.  
3. Skew between any two outputs of the same package switching in the same direction. This parameter is guaranteed by design.  
4. This parameter is guaranteed but not tested.  
5.10  
7
IDT54/74FCT16501AT/CT/ET, 162501AT/CT/ET, 162H501AT/CT/ET  
FAST CMOS 18-BIT REGISTERED TRANSCEIVER  
MILITARY AND COMMERCIAL TEMPERATURE RANGES  
TEST CIRCUITS AND WAVEFORMS  
TEST CIRCUITS FOR ALL OUTPUTS  
SWITCH POSITION  
Test  
Switch  
VCC  
7.0V  
Open Drain  
Disable Low  
Closed  
500  
Enable Low  
VOUT  
VIN  
Open  
Pulse  
Generator  
All Other Tests  
D.U.T.  
2547 lnk 11  
DEFINITIONS:  
CL= Load capacitance: includes jig and probe capacitance.  
RT = Termination resistance: should be equal to ZOUT of the Pulse  
50pF  
500  
T
R
C
L
Generator.  
2547 drw 04  
SET-UP, HOLD AND RELEASE TIMES  
PULSE WIDTH  
3V  
DATA  
1.5V  
0V  
INPUT  
LOW-HIGH-LOW  
PULSE  
t
H
t
t
SU  
1.5V  
3V  
1.5V  
0V  
TIMING  
INPUT  
t
W
ASYNCHRONOUS CONTROL  
t
REM  
PRESET  
3V  
1.5V  
0V  
CLEAR  
HIGH-LOW-HIGH  
PULSE  
1.5V  
ETC.  
2547 drw 06  
SYNCHRONOUS CONTROL  
PRESET  
3V  
1.5V  
0V  
CLEAR  
CLOCK ENABLE  
ETC.  
SU  
t
H
2547 drw 05  
PROPAGATION DELAY  
ENABLE AND DISABLE TIMES  
ENABLE  
DISABLE  
3V  
1.5V  
0V  
3V  
SAME PHASE  
CONTROL  
INPUT  
1.5V  
0V  
INPUT TRANSITION  
t
PLH  
t
t
PHL  
PHL  
t
PZL  
tPLZ  
V
OH  
OUTPUT  
3.5V  
1.5V  
3.5V  
1.5V  
OUTPUT  
NORMALLY  
LOW  
SWITCH  
CLOSED  
V
OL  
t
PLH  
0.3V  
0.3V  
VOL  
3V  
1.5V  
0V  
t
PZH  
tPHZ  
OPPOSITE PHASE  
INPUT TRANSITION  
V
OH  
OUTPUT  
NORMALLY  
HIGH  
SWITCH  
OPEN  
1.5V  
0V  
2547 drw 07  
0V  
2547 drw 08  
NOTES:  
1. Diagram shown for input Control Enable-LOW and input Control  
Disable-HIGH  
2. Pulse Generator for All Pulses: Rate 1.0MHz; tF 2.5ns; tR 2.5ns  
5.10  
8
IDT54/74FCT16501AT/CT/ET, 162501AT/CT/ET, 162H501AT/CT/ET  
FAST CMOS 18-BIT REGISTERED TRANSCEIVER  
MILITARY AND COMMERCIAL TEMPERATURE RANGES  
ORDERING INFORMATION  
X
IDT  
FCT  
X
X
XXXX  
X
X
Temperature  
Range  
Drive Bus Hold Device Type Package  
Process  
Blank  
B
Commercial  
MIL-STD-883, Class B  
PV  
PA  
PF  
E
Shrink Small Outline Package (SO56-1)  
Thin Shrink Small Outline Package (SO56-2)  
Thin Very Small Outline Package (SO56-3)  
CERPACK (E56-1)  
501AT  
501CT  
501ET  
Non-Inverting 18-Bit Registered Transceiver  
Blank  
H
Standard  
Bus Hold  
16  
162  
16-Bit High Drive  
16-Bit Balanced Drive  
54  
74  
–55°C to +125°C  
–40°C to +85°C  
2547 drw 09  
5.10  
9

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