HD74BC540AFPEL Просмотр технического описания (PDF) - Renesas Electronics

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HD74BC540AFPEL

Octal Buffers/Line Drivers With 3 State Outputs

Renesas Electronics 

HD74BC540A

Waveforms-1

Input A

Output Y

tf

90 %

1.5 V

10 %

tPLH

1.5 V

tr

10 %

90 %

1.5 V

tPHL

1.5 V

3V

0V

VOH

VOL

Waveforms-2

Notes:

tf

tr

Input G

90 %

1.5 V

90 %

3V

1.5 V

10 %

10 %

0V

tZL

tLZ

Waveform–A

Waveform–B

1.5 V

tZH

1.5 V

VOL + 0.3 V

tHZ

VOH – 0.3 V

3.5 V

VOL

VOH

0V

1. tr = 2.5 ns, tf = 2.5 ns

2. Input waveforms: PRR = 1 MHz, duty cycle 50%

3. Waveform-A shows input conditions such that the output is “L” level when enable by the

output control.

4. Waveform-B shows input conditions such that the output is “H” level when enable by the

output control.

Rev.2.00, Jul.16.2004, page 6 of 7

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