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HD74LS193FPEL Folha de dados(PDF) 7 Page - Renesas Technology Corp

Nome de Peças HD74LS193FPEL
Descrição Electrónicos  Synchronous Up / Down Decade Counter (dual clock lines)
PDF  12 Pages
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Fabricante Electrônico  RENESAS [Renesas Technology Corp]
Página de início  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD74LS193FPEL Folha de dados(HTML) 7 Page - Renesas Technology Corp

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HD74LS193
Rev.2.00, Feb.18.2005, page 7 of 11
Waveforms 1
ƒ
max, tPLH, tPHL, (Count Up)
(Measure at tn + 16)
(Measure at
tn + 16)
(Measure at
tn + 1)
(Measure at
tn + 8)
(Measure at
tn + 4)
(Measure before
1 clock of tn + 16)
(Measure at
tn + 2)
Carry
Outputs
Count
Up
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
QA
QB
QC
QD
tTLH
tPLH
tPHL
tPLH (Measure at tn + 2)
tPLH (Measure at tn + 4)
tPLH (Measure at tn + 8)
tPLH
tPHL
tPHL
tPHL
tPHL
tw (L)
tw (H)
tTHL
VOH
VOL
VOH
VOL
VOH
VOL
VOH
VOL
VOH
VOL
0V
3V
10%
10%
90%
90%
Notes:
1.
Input pulse; tTLH, tTHL
≤ 7 ns, Duty Cycle ≤ 50%, PRR = 500 kHz (Data input). PRR = 1 MHz
(except data input)
2.
for
ƒ
max tTLH = tTHL
≤ 2.5 ns.
3.
tn is reference bit time when all outputs are low.



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