74AHC74D Просмотр технического описания (PDF) - Philips Electronics

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производитель

74AHC74D

Dual D-type flip-flop with set and reset; positive-edge trigger

Philips Electronics 

Philips Semiconductors

Dual D-type flip-flop with set and reset;

positive-edge trigger

AC WAVEFORMS

Product specification

74AHC74; 74AHCT74

handbook, full pagewidth

VI

nD INPUT

GND

VI

nCP INPUT

GND

VOH

nQ OUTPUT

VOL

VOH

nQ OUTPUT

VOL

VM(1)

th

t su

th

t su

1/fmax

VM(1)

tW

t PHL

VM(1)

t PLH

t PLH

VM(1)

t PHL

MNA422

FAMILY

AHC

AHCT

VI INPUT

REQUIREMENTS

GND to VCC

GND to 3.0 V

VM(1)

INPUT

50% VCC

1.5 V

VM(1)

OUTPUT

50% VCC

50% VCC

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

Fig.6 The clock (nCP) to output (nQ, nQ) propagation delays, the clock pulse width, the nD to nCP set-up, the

nCP to nD hold times, the output transition times and the maximum clock pulse frequency.

1999 Sep 23

11

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