HD74HC4520P データシートの表示（PDF） - Renesas Electronics

部品番号

コンポーネント説明

メーカー

HD74HC4520P

Dual BCD Up Counters / Dual Binary Up Counters

Renesas Electronics 

HD74HC4518, HD74HC4520

Waveforms

• Waveform – 1

tr

Reset

10%

90%

50%

tf

90%

50%

10%

Clock

Qn

tw

tPHL

90%

50%

10%

tTHL

trem

10%

90%

50%

tTLH

90%

10%

tTHL

10%

90%

tTLH

VCC

0V

VOH

VOL

VOH

VOL

Note: 1. Input waveform: PRR ≤ 1 MHz, Zo = 50 Ω, tr ≤ 6 ns, tf ≤ 6 ns

• Waveform – 2

Clock

Qn

tr

tf

50% 50%

tw

tPLH

50%

10%

90%

tTLH

50%

tPHL

90%

50%

10%

tTHL

VCC

0V

VOH

VOL

Note: 1. Input waveform: PRR ≤ 1 MHz, Zo = 50 Ω, tr ≤ 6 ns, tf ≤ 6 ns

• Waveform – 3

Enable

Qn

tf

tr

90%

50%

10% 10%

tw

tPLH

90%

50%

50%

10%

90%

tTLH

50%

tPHL

90%

50%

10%

tTHL

VCC

0V

VOH

VOL

Note: 1. Input waveform: PRR ≤ 1 MHz, Zo = 50 Ω, tr ≤ 6 ns, tf ≤ 6 ns

Rev.2.00, Mar 30, 2006 page 6 of 8

Share Link: