74HC3G34 Просмотр технического описания (PDF) - Philips Electronics

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74HC3G34

Triple buffer gate

Philips Electronics 

Philips Semiconductors

Triple buffer gate

AC WAVEFORMS

Product specification

74HC3G34; 74HCT3G34

handbook, halfpagVeI

nA input

GND

VOH

nY output

VOL

VM

t PHL

VM

t THL

VM

VM

10%

t PLH

90%

t TLH

MNA746

For 74HC3G: VM = 50%; VI = GND to VCC.

For 74HCT3G: VM = 1.3 V; VI = GND to 3.0 V.

Fig.4 The input (nA) to output (nY) propagation delays and the output transition times.

handbook, full pagewidth

VCC

VI

PULSE

GENERATOR

VO

D.U.T.

RT

S1

RL =

1 kΩ

VCC

open

GND

CL =

50 pF

MNA742

TEST

tPLH/tPHL

tPLZ/tPZL

tPHZ/tPZH

S1

open

VCC

GND

2003 May 19

Definitions for test circuit:

RL = Load resistor.

CL = load capacitance including jig and probe capacitance.

RT = termination resistance should be equal to the output impedance Zo of the pulse generator.

Fig.5 Load circuitry for switching times.

10

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