IDT54/74FCT377T/AT/CT/DT
FAST CMOS OCTAL D FLIP-FLOP WITH CLOCK ENABLE
MILITARY AND COMMERCIAL TEMPERATURE RANGES
SWITCHING CHARACTERISTICS OVER OPERATING RANGE
IDT54/74FCT377T
Symbol
Parameter
tPLH Propagation Delay
tPHL CP to On
tSU Set-Up Time HIGH or LOW
Dn to CP
tH Hold Time HIGH or LOW
Dn to CP
tSU Set-Up Time HIGH or LOW
CE to CP
tH Hold Time HIGH or LOW
CE to CP
tW Clock Pulse Width,
HIGH or LOW
Condition(1)
CL = 50pF
RL = 500Ω
Com'l.
Min.(2)
2.0
Max.
13.0
Mil.
Min.(2)
2.0
Max.
15.0
2.5
—
3.0
—
2.0
—
2.5
—
4.0
—
4.0
—
1.5
—
1.5
—
7.0
—
7.0
—
FCT54/74FCT377AT
Com'l.
Mil.
Min.(2) Max. Min.(2) Max. Unit
2.0 7.2 2.0 8.3 ns
2.0
—
2.0
— ns
1.5
—
1.5
— ns
3.5
—
3.5
— ns
1.5
—
1.5
— ns
6.0
—
7.0
— ns
2630 tbl 06
IDT54/74FCT377CT
Com'l.
Symbol
Parameter
Condition(1)
Min.(2)
tPLH Propagation Delay
tPHL CP to On
CL = 50pF
2.0
RL = 500Ω
tSU Set-Up Time HIGH or LOW
2.0
Dn to CP
tH Hold Time HIGH or LOW
1.5
Dn to CP
tSU Set-Up Time HIGH or LOW
3.5
CE to CP
tH Hold Time HIGH or LOW
1.5
CE to CP
tW Clock Pulse Width,
6.0
HIGH or LOW
NOTES:
1. See test circuit and waveforms.
2. Minimum limits are guaranteed but not tested on Propagation Delays.
Max.
5.2
—
—
—
—
—
Mil.
Min.(2)
2.0
Max.
5.5
2.0
—
1.5
—
3.5
—
1.5
—
7.0
—
FCT54/74FCT377DT
Com'l.
Mil.
Min.(2) Max. Min.(2) Max. Unit
2.0 4.4
—
— ns
2.0
—
—
— ns
1.0
—
—
— ns
3.0
—
—
— ns
0.0
—
—
— ns
3.0
—
—
— ns
2630 tbl 07
6.14
5