5

IDT74FCT16543AT/CT

FASTCMOS16-BITLATCHEDTRANSCEIVER

INDUSTRIALTEMPERATURERANGE

SWI TCH I N G CH ARACT ERI ST I CS OV ER OPERAT I N G RAN GE

NOTES:

1. See test circuit and waveforms.

2. Minimum limits are guaranteed but not tested.

3. Skew between any two outputs, of the same package, switching in the same direction. This parameter is guaranteed by design.

74FCT16543AT

74FCT16543CT

Symbol

Parameter

Max.

Max.

Unit

Propagation Delay

1.5

6.5

1.5

5.1

ns

TransparentMode

xAx to xBx or xBx to xAx

Propagation Delay

1.5

8

1.5

5.6

ns

xLEBA to xAx, xLEAB to xBx

Output Enable Time

1.5

9

1.5

7.8

ns

xOEBA or xOEAB to xAx or xBx

xCEBA or xCEAB to xAx or xBx

Output Disable Time

1.5

7.5

1.5

6.5

ns

xOEBA or xOEAB to xAx or xBx

xCEBA or xCEAB to xAx or xBx

Set-up Time HIGH or LOW

2

—

2

—

ns

xAx or xBx to xLEAB or xLEBA

Hold Time HIGH or LOW

2

—

2

—

ns

xAx or xBx to xLEAB or xLEBA

xLEAB or xLEBA Pulse Width LOW

4

—

4

—

ns

—

0.5

—

0.5

ns