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HD74LS192 数据表(PDF) 8 Page - Renesas Technology Corp

部件名 HD74LS192
功能描述  Synchronous Up / Down Decade Counter (dual clock lines)
PDF  11 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

HD74LS192 数据表(HTML) 8 Page - Renesas Technology Corp

Back Button HD74LS192 Datasheet HTML 3Page - Renesas Technology Corp HD74LS192 Datasheet HTML 4Page - Renesas Technology Corp HD74LS192 Datasheet HTML 5Page - Renesas Technology Corp HD74LS192 Datasheet HTML 6Page - Renesas Technology Corp HD74LS192 Datasheet HTML 7Page - Renesas Technology Corp HD74LS192 Datasheet HTML 8Page - Renesas Technology Corp HD74LS192 Datasheet HTML 9Page - Renesas Technology Corp HD74LS192 Datasheet HTML 10Page - Renesas Technology Corp HD74LS192 Datasheet HTML 11Page - Renesas Technology Corp  
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HD74LS192
Rev.2.00, Feb.18.2005, page 8 of 10
Waveforms 2
ƒ
max, tPLH, tPHL, (Count Down)
Borrow
Outputs
Count
Down
1.3V
1.3V
1.3V
1.3V
1.3V
1.3V
1.3V
1.3V
1.3V
1.3V
1.3V
1.3V
1.3V
1.3V
1.3V
1.3V
tTHL
tw (H)
tw (L)
tTLH
QA
QB
QC
QD
tPHL
tPHL
tPHL
tPHL
tPHL
(Measure before 1 clock of tn + 0)
(Measure
at tn + 0)
(Measure
at tn + 0)
(Measure
at tn + 2)
(Measure
at tn + 2)
(Measure
at tn + 0)
(Measure at tn + 1)
(Measure at tn + 4)
(Measure at tn + 6)
(Measure at tn + 2)
tPLH
tPLH
tPLH
tPLH
tPLH
VOH
VOL
VOH
VOL
VOH
VOL
VOH
VOL
VOH
VOL
0V
3V
10% 10%
90% 90%
Notes:
1.
for
ƒ
max tTLH , tTHL
≤ 2.5 ns.
2.
tn is reference bit time when all outputs are high.



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