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IDT54FCT138ASO

FAST CMOS 1-OF-8 DECODER WITH ENABLE

Integrated Device Technology 

IDT54/74FCT138/A/C

FAST CMOS 1-OF-8 DECODER-WITH ENABLE

MILITARY AND COMMERCIAL TEMPERATURE RANGES

SWITCHING CHARACTERISTICS OVER OPERATING RANGE

IDT54/74FCT138

IDT54/74FCT138A

IDT54/74FCT138C

Symbol

Parameter

Com’l.

Mil.

Com’l.

Mil.

Com’l.

Mil.

Condition(1) Min.(2) Max. Min.(2) Max. Min.(2) Max. Min.(2) Max. Min.(2) Max. Min.(2) Max. Unit

tPLH Propagation Delay CL = 50pF 1.5 9.0 1.5 12.0 1.5 5.8 1.5 7.8 1.5 5.1 1.5 6.0 ns

tPHL

An to On

RL = 500Ω

tPLH Propagation Delay

tPHL

E1 or E2 to On

1.5 9.0 1.5 12.5 1.5 5.9 1.5 8.0 1.5 5.2 1.5 6.1 ns

tPLH Propagation Delay

tPHL

E3 to On

1.5 9.0 1.5 12.5 1.5 5.9 1.5 8.0 1.5 5.2 1.5 6.1 ns

NOTES:

1. See test circuit and waveforms.

2. Minimum limits are guaranteed but not tested on Propagation Delays.

2581 tbl 07

7.3

4

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