IDT54/74FCT543T/AT/CT/DT - 2543T/AT/CT

FAST CMOS OCTAL LATCHED TRANSCEIVER

MILITARY AND COMMERCIAL TEMPERATURE RANGES

6.17

5

SWITCHING CHARACTERISTICS OVER OPERATING RANGE

NOTES:

2513 tbl 10

1. See test circuits and waveforms.

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

3. This limit is guaranteed but not tested.

2513 tbl 09

FCT543T/

FCT2543T

FCT543AT/

FCT2543AT

Com'l.

Mil.

Com'l.

Mil.

Symbol

Parameter

Max.

Max.

Max.

Max.

Unit

Propagation Delay

Transparant Mode

An to Bn or Bn to An

Ω

1.5

8.5

1.5

10.0

1.5

6.5

1.5

7.5

ns

Propagation Delay

LEBA to An, LEAB to Bn

1.5

12.5

1.5

14.0

1.5

8.0

1.5

9.0

ns

Output Enable Time

OEBA or OEAB to An or Bn

CEBA or CEAB to An or Bn

1.5

12.0

1.5

14.0

1.5

9.0

1.5

10.0

ns

Output Disable Time

OEBA or OEAB to An or Bn

CEBA or CEAB to An or Bn

1.5

9.0

1.5

13.0

1.5

7.5

1.5

8.5

ns

Set-up Time, HIGH or LOW

An or Bn to

LEBA or LEAB

3.0

—

3.0

—

2.0

—

2.0

—

ns

Hold Time, HIGH or LOW

An or Bn to

LEBA or LEAB

2.0

—

2.0

—

2.0

—

2.0

—

ns

LEBA or LEAB Pulse Width

LOW

5.0

—

5.0

—

5.0

—

5.0

—

ns

FCT543CT/

FCT2543CT

FCT543DT

Com'l.

Mil.

Com'l.

Mil.

Symbol

Parameter

Max.

Max.

Max.

Max.

Unit

Propagation Delay

Transparant Mode

An to Bn or Bn to An

Ω

1.5

5.3

1.5

6.1

1.5

4.4

—

—

ns

Propagation Delay

LEBA to An, LEAB to Bn

1.5

7.0

1.5

8.0

1.5

5.0

—

—

ns

Output Enable Time

OEBA or OEAB to An or Bn

CEBA or CEAB to An or Bn

1.5

8.0

1.5

9.0

1.5

5.4

—

—

ns

Output Disable Time

OEBA or OEAB to An or Bn

CEBA or CEAB to An or Bn

1.5

6.5

1.5

7.5

1.5

4.3

—

—

ns

Set-up Time, HIGH or LOW

An or Bn to

LEBA or LEAB

2.0

—

2.0

—

1.5

—

—

—

ns

Hold Time, HIGH or LOW

An or Bn to

LEBA or LEAB

2.0

—

2.0

—

1.5

—

—

—

ns

LEBA or LEAB Pulse Width

LOW

5.0

—

5.0

—

———

ns