SN54-74LS168 查看數據表（PDF） - ON Semiconductor
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SN54-74LS168 Datasheet PDF : 6 Pages
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SN54/74LS168 • SN54/74LS169
LOGIC DIAGRAMS (continued)
SN54 / 74LS169
P0
P1
P2
P3
PE
CEP
CET
U/D
TC
CP
CP D
Q0
Q1
GUARANTEED OPERATING RANGES
Symbol
Parameter
VCC
Supply Voltage
TA
Operating Ambient Temperature Range
IOH
Output Current — High
IOL
Output Current — Low
Q2
Q3
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
5-3
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