HD74BC374A Datasheet, PDF(7/9 Page) Hitachi Semiconductor – Octal D Type Flip Flops With 3 State Outputs

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HD74BC374A Datasheet, PDF (7/9 Pages) Hitachi Semiconductor – Octal D Type Flip Flops With 3 State Outputs

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HD74BC374A

Waveforms-3

WaveformâA

90%

1.5 V

10%

t ZL

1.5 V

t ZH

90%

1.5 V

10%

t LZ

VOL + 0.3 V

t HZ

3.5 V

VOL

WaveformâB

1.5 V

VOH â 0.3 V

VOH

Notes:

1. tr = 2.5 ns, tf = 2.5 ns

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

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

output control.

4. Waveform-B shows input conditions such that the output is â Hâ level when enable by the

output control.

Rev.3.00, Jul.16.2004, page 7 of 8

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