74LS 데이터 시트보기 (PDF) - ON Semiconductor
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74LS Datasheet PDF : 4 Pages
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SN54 / 74LS669
(9) LOAD
(7) ENP
(10) ENT
(1) U/D
(3)
DATA
P0
LOGIC DIAGRAM
(4)
DATA
P1
(5)
DATA
P2
(6)
DATA
P3
RCO (15)
(RIPPLE CARRY
OUTPUT)
(2) CP
CP D
QA
(14)
CP D
QB
(13)
CP D
QC
(12)
CP D
QD
(11)
GUARANTEED OPERATING RANGES
Symbol
Parameter
VCC
Supply Voltage
TA
Operating Ambient Temperature Range
IOH
Output Current — High
IOL
Output Current — Low
Min
Typ
Max
Unit
54
4.5
5.0
5.5
V
74
4.75
5.0
5.25
54
– 55
25
125
°C
74
0
25
70
54, 74
– 0.4
mA
54
4.0
mA
74
8.0
FAST AND LS TTL DATA
5-2
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