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HD74LS190 Arkusz danych(PDF) 7 Page - Renesas Technology Corp

Numer części HD74LS190
Szczegółowy opis  Synchronous Up / Down Decade Counter (signal clock line)
PDF  11 Pages
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Producent  RENESAS [Renesas Technology Corp]
Strona internetowa  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD74LS190 Arkusz danych(HTML) 7 Page - Renesas Technology Corp

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HD74LS190
Rev.3.00, Jul.15.2005, page 7 of 10
Testing Method
Test Circuit
4.5V
Ripple
Clock
Load circuit 1
Output
VCC
RL
CL
Input
P.G.
Zout = 50
Ω
A
B
Down/Up
Clock
C
D
Load
Enable
QA
QB
QC
QD
Max/Min
Same as Load Circuit 1.
Output
Same as Load Circuit 1.
Output
Same as Load Circuit 1.
Output
Same as Load Circuit 1.
Output
Same as Load Circuit 1.
Output
Notes:
1.
CL includes probe and jig capacitance.
2.
All diodes are 1S2074(H).
Waveforms 1
Output Q
Data Input
Load Input
1.3V
1.3V
1.3V
1.3V
tTHL
tTLH
tTLH
tTLH
tsu
tsu
VOH
VOL
0V
3V
0V
3V
10%
10%
10%
10%
90%
90%
90%
90%
Note:
Input pulse: tTLH, tTHL
≤ 10 ns, PRR = 1 MHz, duty cycle ≤ 50%



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