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SN54LS669 데이터 시트보기 (PDF) - ON Semiconductor
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SN54LS669
SYNCHRONOUS 4-BIT UP/DOWN COUNTER
ON Semiconductor
SN54LS669 Datasheet PDF : 4 Pages
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SN54 / 74LS669
CLOCK
INPUT
LOAD
INPUT
DATA INPUTS
A,B,C, and D
ENABLE P or
ENABLE T
UP/DOWN
INPUT
PARAMETER MEASUREMENT INFORMATION
tw(clock)
tw(clock)
1.3 V
1.3 V
1.3 V
1.3 V
ts
ts
th
1.3 V
1.3 V
ts
th
1.3 V
1.3 V
ts
1.3 V
ts
th
1.3 V
1.3 V
3V
1.3 V
0V
3V
0V
3V
0V
th
0V
1.3 V
3V
ts
th
3V
1.3 V
1.3 V
0V
ENABLE T
INPUT
RIPPLE
CARRY
OUTPUT
VOLTAGE WAVEFORMS
1.3 V
tPHL
1.3 V
3V
1.3 V
0V
tPLH
VOL
1.3 V
VOH
FAST AND LS TTL DATA
5-4
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