74AHCT126D 查看數據表（PDF） - Philips Electronics

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74AHCT126D

Quad buffer/line driver; 3-state

Philips Electronics 

Philips Semiconductors

Quad buffer/line driver; 3-state

Product specification

74AHC126; 74AHCT126

handbook, full pagewidth

VI

nOE INPUT

GND

OUTPUT

LOW-to-OFF

OFF-to-LOW

VCC

VOL

OUTPUT

HIGH-to-OFF

OFF-to-HIGH

VOH

GND

FAMILY

VI INPUT

REQUIREMENTS

VM(1)

INPUT

AHC

AHCT

GND to VCC

GND to 3.0 V

50% VCC

1.5 V

VM(1)

tPLZ

tPZL

tPHZ

VOL +0.3 V

VOH −0.3 V

VM(1)

tPZH

VM(1)

outputs

enabled

VM(1)

OUTPUT

50% VCC

50% VCC

outputs

disabled

outputs

enabled

MNA238

Fig.6 The 3-state enable and disable times.

handbook, full pagewidth

PULSE

VI

GENERATOR

VCC

VO

D.U.T.

RT

S1

1000 Ω

VCC

open

GND

CL

MNA239

TEST

tPLH/tPHL

tPLZ/tPZL

tPHZ/tPZH

S1

open

VCC

GND

1999 Sep 29

Fig.7 Load circuitry for switching times.

9

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