1999 Sep 01

13

Philips Semiconductors

Product specification

Octal D-type flip-flop with reset;

positive-edge trigger

74AHC273; 74AHCT273

handbook, full pagewidth

MNA202

GND

GND

th

th

tsu

tsu

VM

(1)

VM

(1)

VM

(1)

VI

VI

Qn OUTPUT

CP INPUT

Dn INPUT

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

FAMILY

REQUIREMENTS

INPUT

OUTPUT

AHC

AHCT

GND to 3.0 V

1.5 V

Fig.9 Load circuitry for switching times.

handbook, full pagewidth

open

GND

VCC

VCC

VI

VO

MNA183

D.U.T.

CL

RT

1000

Ω

PULSE

GENERATOR

S1

TEST

open

GND

Definitions for test circuit.