MC74LCX138 데이터 시트보기 (PDF) - Motorola => Freescale

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MC74LCX138

Low−Voltage CMOS 3-to-8 Decoder/Demultiplexer

Motorola => Freescale 

MC74LCX138

An, E3 1.5V

tPHL

On

2.7V

1.5V

0V

tPLH

VOH

1.5V

1.5V

VOL

WAVEFORM 1: PROPAGATION DELAYS FOR INVERTING OUTPUTS

An, E1, E2 1.5V

tPHL

On

2.7V

1.5V

0V

tPLH

VOH

1.5V

1.5V

VOL

WAVEFORM 2: PROPAGATION DELAYS FOR NON–INVERTING OUTPUTS

Figure 1. AC Waveforms

VCC

PULSE

GENERATOR

DUT

RT

CL

RL

CL = 50pF or equivalent (Includes jig and probe capacitance)

RL = R1 = 500Ω or equivalent

RT = ZOUT of pulse generator (typically 50Ω)

Figure 2. Test Circuit

LCX DATA

5

BR1339 — REV 3

MOTOROLA

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