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零件编号
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DM74LS469N 查看數據表(PDF) - Fairchild Semiconductor
零件编号
产品描述 (功能)
生产厂家
DM74LS469N
8-Bit Up/Down Counter
Fairchild Semiconductor
DM74LS469N Datasheet PDF : 8 Pages
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Switching Characteristics
Over Operating Conditions
Symbol
Parameter
Test Conditions
(See Test Load/Waveforms)
f
MAX
Maximum Clock
Frequency
t
PD
CBI to CBO Delay
t
PD
Clock to Q
t
PD
Clock to CBO
t
PZX
Output Enable Delay
t
PXZ
Output Disable Delay
C
L
=50 pF
R
1
=200
Ω
R
2
=390
Ω
Military
Min Typ Max
10.5
Commercial
Min Typ Max
12.5
Units
MHz
35 60
20 35
55 95
20 45
20 45
35 50
ns
20 30
ns
55 80
ns
20 35
ns
20 35
ns
www.fairchildsemi.com
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