Philips Semiconductors

Product specification

74F543, 74F544

Octal registered transceivers

1994 Dec 5

10

AC WAVEFORMS

The shaded areas indicate when the input is permitted to change for predictable output performance.

VM

VM

VM

VM

tPLH

tPHL

VIN

VOUT

SF00245

Waveform 1.

Propagation Delay for Inverting Outputs

VM

VM

VM

VM

tPHL

tPLH

VIN

VOUT

SF00246

Waveform 2.

Propagation Delay for Non-Inverting Outputs

VM

VM

VM

VM

th(L)

th(H)

tw(L)

VM

VM

ts(H)

ts(L)

LEAB, LEBA

EAB, EBA

SF00247

Waveform 3.

Data Setup Time and Hold Times, and Latch

Enable Pulse Width

VM

VM

VM

tPHZ

tPZH

VOH -0.3V

0V

OEAB, OEBA

EAB, EBA

SF00248

Waveform 4.

3-State Output Enable Time to High Level and

Output Disable Time from High Level

VM

VM

VM

tPLZ

tPZL

VOL +0.3V

OEAB, OEBA

EAB, EBA

SF00249

Waveform 5.

3-State Output Enable Time to Low Level and

Output Disable Time from Low Level