IDT54157ATD 查看數據表（PDF） - Integrated Device Technology

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IDT54157ATD

FAST CMOS OCTAL BUFFER/LINE DRIVERS

Integrated Device Technology 

IDT54/74FCT240/244T/AT/CT/DT - 2240/2244T/AT/CT, IDT54/74FCT540/541/2541T/AT/CT

FAST CMOS OCTAL BUFFER/LINE DRIVER

MILITARY AND COMMERCIAL TEMPERATURE RANGES

SWITCHING CHARACTERISTICS OVER OPERATING RANGE FOR FCT540/541/2541T

FCT540T/541T

FCT2541T

FCT540AT/541AT

FCT2541AT

FCT540CT/541CT

FCT2541CT

Com'l.

Mil.

Com'l.

Mil.

Com'l.

Mil.

Symbol

Parameter

Condition(1)

Min.(2) Max. Min.(2) Max. Min.(2) Max. Min.(2) Max. Min.(2) Max. Min.(2) Max. Unit

tPLH

Propagation Delay

tPHL

DN to ON

CL = 50pF

RL = 500Ω

1.5 8.5 1.5 9.5 1.5 4.8 1.5 5.1 1.5 4.3 1.5 4.7 ns

FCT540

tPLH

Propagation Delay

1.5 8.0 1.5 9.0 1.5 4.8 1.5 5.1 1.5 4.1 1.5 4.6 ns

tPHL

DN to ON

FCT541/2541T

tPZH

Output Enable Time

1.5 10.0 1.5 10.5 1.5 6.2 1.5 6.5 1.5 5.8 1.5 6.5 ns

tPZL

tPHZ

Output Disable Time

1.5 9.5 1.5 10.0 1.5 5.6 1.5 5.9 1.5 5.2 1.5 5.7 ns

tPLZ

NOTES:

1. See test circuit and waveforms.

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

2565 tbl 13

6.8

7

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