HD74HC138RPEL 查看數據表（PDF） - Renesas Electronics

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HD74HC138RPEL

3-to-8-line Decoder/Demultiplexer with Address Latch

Renesas Electronics 

HD74HC138

Waveforms

Input

tr

10 %

90 %

50 %

tPLH

tf

90 %

50 %

10 %

tPHL

Same-phase output

50 %

10 %

90 %

tPHL tTLH

90 %

50 %

10 %

tPLH

tTHL

VCC

0V

VOH

VOL

Inverse-phase output

90 %

50 %

10 %

90 %

VOH

50 %

10 %

VOL

tTHL

tTLH

Notes: 1. Input waveform: PRR ≤ 1 MHz, Zo = 50 Ω, tr ≤ 6 ns, tf ≤ 6 ns

2. The output are measured one at a time with one transition per measurement.

REJ03D0570-0300 Rev.3.00 Mar 25, 2009

Page 5 of 7

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