HD74HC109P 查看數據表（PDF） - Renesas Electronics

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HD74HC109P

Dual J-KFlip-Flops (with Preset and Clear)

Renesas Electronics 

HD74HC109

Waveforms

• Waveform − 1

tr

tf

90 %

VCC

Clock

50 % 50 %

50 %

10 %

tw

10 %

0V

tTLH

tTHL

Q or Q

Q or Q

tPLH

90 %

50 %

10 %

tPHL

50 %

10 %

tTHL

90 %

50 %

tPHL

tPLH

50 %

10 %

10 %

90 %

tTLH

VOH

VOL

VOH

VOL

• Waveform − 2

Clear

Preset

Q

Q

tf

tr

90 %

90 %

50 %

10 %

50 %

10 %

tw(clear)

tf

tr

tPHL

90 %

50 %

10 %

tTHL

tPLH

50 %

10 %

90 %

90 %

50 %

10 %

tw(preset)

tPLH

90 %

50 %

50 %

tPHL

50 %

tTLH

VCC

0V

VCC

0V

VOH

VOL

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.

Rev.2.00, Oct 11, 2005 page 5 of 7

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