Philips Semiconductors

Product specification

74F299

8-bit universal shift/storage register (3-State)

1990 Mar 01

9

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