HD74HC125P 查看數據表（PDF） - Renesas Electronics

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HD74HC125P

Quad. Bus Buffer Gates (with 3-state outputs)

Renesas Electronics 

HD74HC125/HD74HC126

Waveforms

• HD74HC125

• Waveform – 1

tr

tf

90 %

90 %

VCC

Input A

50 %

50 %

10 %

10 %

0V

tPLH

tPHL

Output Y

50 %

VOH

50 %

VOL

• Waveform – 2

tf

tr

Input C

90 %

50 %

90 %

VCC

50 %

10 %

10 %

0V

tZL

tLZ

Waveform - A

50 %

tZH

10 %

tHZ

VOH

VOL

Waveform - B

50 %

90 %

VOH

VOL

Notes : 1. tr ≤ 6 ns, tf ≤ 6 ns

2. Input waveform : PRR ≤ 1 MHz, duty cycle 50%

3. Waveform– A is for an output with internal conditions such that the

output is low except when disabled by the output control.

4. Waveform– B is for an output with internal conditions such that the

output is high except when disabled by the output control.

Rev.2.00, Oct 11, 2005 page 5 of 8

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