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IDT54FCT543AD

FAST CMOS OCTAL LATCHED TRANSCEIVER

Integrated Device Technology 

IDT54/74FCT543/A/C

FAST CMOS OCTAL LATCHED TRANSCEIVER

MILITARY AND COMMERCIAL TEMPERATURE RANGES

SWITCHING CHARACTERISTICS OVER OPERATING RANGE

IDT54/74FCT543

IDT54/74FCT543A

IDT54/74FCT543C

Symbol

tPLH

tPHL

tPLH

tPHL

Parameter

Propagation Delay

Transparent Mode

An to Bn or Bn to An

Propagation Delay

LEBA to An, LEAB to Bn

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

CL = 50pF 2.5 8.5 2.5 10.0 2.5 6.5 2.5 7.5 2.5 5.3 2.5 6.1 ns

RL = 500Ω

2.5 12.5 2.5 14.0 2.5 8.0 2.5 9.0 2.5 7.0 2.5 8.0 ns

tPZH

Output Enable Time

tPZL

OEBA or OEAB to An or Bn

CEBA or CEAB to An or Bn

2.0 12.0 2.0 14.0 2.0 9.0 2.0 10.0 2.0 8.0 2.0 9.0 ns

tPHZ

Output Disable Time

tPLZ

OEBA or OEAB to An or Bn

CEBA or CEAB to An or Bn

2.0 9.0 2.0 13.0 2.0 7.5 2.0 8.5 2.0 6.5 2.0 7.5 ns

tSU

Set-up Time, HIGH or LOW

An or Bn to LEBA or LEAB

3.0 — 3.0 — 2.0 — 2.0 — 2.0 — 2.0 — ns

tH

Hold Time, HIGH or LOW

An or Bn to LEBA or LEAB

tW

LEBA or LEAB Pulse Width

LOW

2.0 — 2.0 — 2.0 — 2.0 — 2.0 — 2.0 — ns

5.0 — 5.0 — 5.0 — 5.0 — 5.0 — 5.0 — ns

NOTES:

1. See test circuits and waveforms.

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

2513 tbl 07

7.17

5

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