IDT74FCT157CTQ View Datasheet(PDF) - Integrated Device Technology
Part Name
Description
Manufacturer
IDT74FCT157CTQ Datasheet PDF : 7 Pages
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IDT54/74FCT157T/AT/CT/DT, IDT54/74FCT257T/AT/CT/DT - 2257T/AT/CT
FAST CMOS QUAD 2-INPUT MULTIPLEXER
MILITARY AND COMMERCIAL TEMPERATURE RANGES
SWITCHING CHARACTERISTICS OVER OPERATING RANGE - FCT157T
FCT157T
FCT157AT
Symbol
Parameter
tPLH Propagation Delay IN to ZN
tPHL
tPLH Propagation Delay E to ZN
tPHL
tPLH Propagation Delay S to ZN
tPHL
Condition(1)
CL = 50pF
RL = 500Ω
Com'l.
Mil.
Com'l.
Mil.
Min.(2) Max. Min.(2) Max. Min.(2) Max. Min.(2) Max. Unit
1.5 6.0 1.5 7.0 1.5 5.0 1.5 5.8 ns
1.5 10.5 1.5 12.0 1.5 6.0 1.5 7.4 ns
1.5 10.5 1.5 12.0 1.5 7.0 1.5 8.1 ns
2537 tbl 07
Symbol
Parameter
tPLH Propagation Delay IN to ZN
tPHL
tPLH Propagation Delay E to ZN
tPHL
tPLH Propagation Delay S to ZN
tPHL
Condition(1)
CL = 50pF
RL = 500Ω
FCT157CT
FCT157DT
Com'l.
Mil.
Com'l.
Mil.
Min.(2) Max. Min.(2) Max. Min.(2) Max. Min.(2) Max. Unit
1.5 4.3 1.5 5.0 1.5 3.9
—
— ns
1.5 4.8 1.5 5.9 1.5 4.4
—
— ns
1.5 5.2 1.5 6.0 1.5 4.6
—
— ns
2537 tbl 08
SWITCHING CHARACTERISTICS OVER OPERATING RANGE – FCT257/2257T
FCT257/2257T
FCT257/2257AT
Symbol
Parameter
tPLH Propagation Delay IN to ZN
tPHL
tPLH Propagation Delay S to ZN
tPHL
tPZH Output Enable Time
tPZL
tPHZ Output Disable Time
tPLZ
Condition(1)
CL = 50pF
RL = 500Ω
Com'l.
Mil.
Com'l.
Mil.
Min.(2) Max. Min.(2) Max. Min.(2) Max. Min.(2) Max. Unit
1.5 6.0 1.5 7.0 1.5 5.0 1.5 5.8 ns
1.5 10.5 1.5 12.0 1.5 7.0 1.5 8.1 ns
1.5 8.5 1.5 10.0 1.5 7.0 1.5 8.0 ns
1.5 6.0 1.5 8.0 1.5 5.5 1.5 5.8 ns
2537 tbl 09
FCT257/2257CT
FCT257DT
Com'l.
Symbol
Parameter
Condition(1)
Min.(2) Max.
tPLH Propagation Delay IN to ZN
tPHL
CL = 50pF
1.5 4.3
RL = 500Ω
tPLH Propagation Delay S to ZN
tPHL
1.5 5.2
tPZH Output Enable Time
tPZL
1.5 6.0
tPHZ Output Disable Time
1.5 5.0
tPLZ
NOTES:
1. See test circuits and waveforms.
2. Minimum limits are guaranteed but not tested on Propagation Delay.
Mil.
Min.(2) Max.
1.5 5.0
1.5 6.0
1.5 6.8
1.5 5.3
Com'l.
Min.(2) Max.
1.5 3.9
1.5 4.4
1.5 4.4
1.5 4.4
Mil.
Min.(2) Max. Unit
—
— ns
—
— ns
—
— ns
—
— ns
2537 tbl 10
6.6
5
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