Philips Semiconductors

Product specification

74F564

Octal D flip-flop (3-State)

1996 Jan 05

6

AC WAVEFORMS (Continued)

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

CP

Dn

VM

VM

VM

VM

VM

VM

ts(L)

ts(H)

th(L)

th(H)

SF00993

Waveform 3. Data Setup and Hold Times

VM

VM

VM

tPHZ

tPZH

OE

Qn

VOH -0.3V

0V

SF00994

Waveform 4. 3-State Output Enable Time to High Level

and Output Disable Time from High Level

VM

VM

VM

tPLZ

tPZL

OE

Qn

VOL +0.3V

SF00995

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

and Output Disable Time from Low Level

TEST CIRCUIT AND WAVEFORM

tw

90%

VM

10%

90%

VM

10%

90%

VM

10%

90%

VM

10%

NEGATIVE

PULSE

POSITIVE

PULSE

tw

AMP (V)

0V

0V

tTHL (tf )

INPUT PULSE REQUIREMENTS

rep. rate

1MHz

500ns

2.5ns

2.5ns

Input Pulse Definition

VCC

family

74F

D.U.T.

PULSE

GENERATOR

RL

CL

RT

VIN

VOUT

Test Circuit for 3-State Outputs

DEFINITIONS:

see AC electrical characteristics for value.

see AC electrical characteristics for value.

pulse generators.

tTHL (tf )

tTLH (tr )

tTLH (tr )

AMP (V)

amplitude

3.0V

1.5V

RL

7.0V

SF00777

TEST

SWITCH

closed

closed

All other

open

SWITCH POSITION