Philips Semiconductors

Product specification

74F573/74F574

Latch/flip-flop

1989 Oct 16

8

AC WAVEFORMS

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

E, CP

Qn

SF01081

Waveform 1. Propagation Delay, Clock and Enable Inputs

to Output, Enable, Clock Pulse Widths,

and Maximum Clock Frequency

Dn

SF01082

Qn

Waveform 2. Propagation Delay for Data to Outputs

th(H)

ts(H)

CP

SF00191

VM

VM

VM

VM

VM

VM

th(L)

ts(L)

Dn

Waveform 3. Data Setup and Hold Times

E

Dn

VM

VM

VM

VM

VM

VM

ts(L)

ts(H)

th(L)

th(H)

SF00992

Waveform 4. Data Setup and Hold Times

VM

VM

VM

tPHZ

tPZH

VOH -0.3V

0V

OE

Qn

SF00343

Waveform 5. 3-State Output Enable Time to High Level

and Output Disable Time from High Level

VM

VM

VM

tPLZ

tPZL

VOL +0.3V

Qn

OE

SF00344

Waveform 6. 3-State Output Enable Time to Low Level

and Output Disable Time from Low Level