HD74HC373 查看數據表（PDF） - Renesas Electronics

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HD74HC373

Octal D-type Transparent Latches

Renesas Electronics 

HD74HC373, HD74HC533

• Waveform – 4

Input OC

tf

90 %

50 %

10 %

Waveform - A

Waveform - B

tZL

50 %

tZH

50 %

tr

90 %

50 %

10 %

tLZ

10 %

tHZ

90 %

VCC

0V

VOH

VOL

VOH

VOL

Notes : 1. Input waveform : PRR ≤ 1 MHz, duty cycle 50%, tr ≤ 6 ns, tf ≤ 6 ns

2. Waveform - A is for an output with internal conditions such that the

output is low except when disabled by the output control.

3. Waveform - B is for an output with internal conditions such that the

output is high except when disabled by the output control.

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

Rev.2.00 Mar 30, 2006 page 7 of 9

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