Philips Semiconductors

Product specification

74F174

Hex D flip-flop

October 7, 1988

5

AC WAVEFORMS

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

VM

SF00166

CP

Qn

VM

tw(H)

tPHL

VM

tPLH

1/fMAX

tw(L)

VM

Waveform 1.

Propagation Delay, Clock Input to Output,

Clock Pulse Width, and Maximum Clock Frequency

SF00158

MR

Qn

CP

Waveform 2.

Master Reset Pulse Width, Master Reset to

Output Delay and Master Reset to Clock recovery Time

th(H)

ts(H)

CP

SF00191

VM

VM

VM

VM

VM

VM

th(L)

ts(L)

Dn

Waveform 3.

Data Setup and Hold Times

TEST CIRCUIT AND WAVEFORMS

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 Totem-Pole 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

SF00006