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HD74LS221 数据表(PDF) 7 Page - Renesas Technology Corp

部件名 HD74LS221
功能描述  Dual Monostable Multivibrators
PDF  9 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  RENESAS [Renesas Technology Corp]
网页  http://www.renesas.com
标志 RENESAS - Renesas Technology Corp

HD74LS221 数据表(HTML) 7 Page - Renesas Technology Corp

  HD74LS221 Datasheet HTML 1Page - Renesas Technology Corp HD74LS221 Datasheet HTML 2Page - Renesas Technology Corp HD74LS221 Datasheet HTML 3Page - Renesas Technology Corp HD74LS221 Datasheet HTML 4Page - Renesas Technology Corp HD74LS221 Datasheet HTML 5Page - Renesas Technology Corp HD74LS221 Datasheet HTML 6Page - Renesas Technology Corp HD74LS221 Datasheet HTML 7Page - Renesas Technology Corp HD74LS221 Datasheet HTML 8Page - Renesas Technology Corp HD74LS221 Datasheet HTML 9Page - Renesas Technology Corp  
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HD74LS221
Rev.3.00, Jul.15.2005, page 7 of 8
Waveforms 5
Clear overriding B, then trigger from B.
Not Triggered
Triggered
B Input
CLR
Q
1.3V 1.3V
1.3V
1.3V 1.3V
1.3V
1.3V
tTHL
tTLH
tsu
≥ 50ns
≥ 0ns
tw (out)
VOH
VOL
0V
3V
0V
3V
10%
10%
90% 90%
Note:
Input pulse: tTLH
≤ 15 ns, t
THL
≤ 6 ns, PRR = 1 MHz
Waveforms 6
Positive transition of Clear.
B Input
CLR
Q
1.3V
1.3V
1.3V
1.3V
tTHL
tTLH
≥ 50ns
VOH
VOL
0V
3V
0V
3V
10%
10%
90%
90%
≥ 50ns
Note:
Input pulse: tTLH
≤ 15 ns, t
THL
≤ 6 ns, PRR = 1 MHz



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