HD74HC137P 查看數據表（PDF） - Renesas Electronics

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HD74HC137P

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

Renesas Electronics 

HD74HC137

• Waveform – 4

6ns

6ns

GL

Output Y

90%

50%

10%

10%

tW

tPLH

10%

90%

50%

90%

50%

tTLH

50%

tPHL

90%

50%

10%

tTHL

VCC

0V

VOH

VOL

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.

• Waveform – 5

tW

Input

A,B,C

50%

50%

tsu

th

VCC

0V

GL

50%

VCC

0V

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.

Rev.2.00, Oct 11, 2005 page 7 of 9

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