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零件编号
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SN74LS323 查看數據表(PDF) - Motorola => Freescale
零件编号
产品描述 (功能)
生产厂家
SN74LS323
8-BIT SHIFT/STORAGE REGISTER WITH 3-STATE OUTPUTS
Motorola => Freescale
SN74LS323 Datasheet PDF : 5 Pages
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SN54 / 74LS323
AC CHARACTERISTICS
(TA = 25
°
C, VCC = 5.0 V)
Limits
Symbol
Parameter
Min Typ Max
fMAX
tPHL
tPLH
Maximum Clock Frequency
Propagation Delay, Clock
to Q0 or Q7
25
35
26
39
22
33
tPHL
tPLH
Propagation Delay, Clock
to I/O0 – I/O7
25
39
17
25
tPZH
tPZL
Output Enable Time
14
21
20
30
tPHZ
tPLZ
Output Disable Time
10
15
10
15
Unit
MHz
ns
ns
ns
ns
AC SETUP REQUIREMENTS
(TA = 25
°
C, VCC = 5.0 V)
Limits
Symbol
Parameter
Min Typ Max Unit
tW
Clock Pulse Width HIGH
25
ns
tW
Clock Pulse Width LOW
15
ns
tW
Clear Pulse Width LOW
20
ns
ts
Data Setup Time
20
ns
ts
Select Setup Time
35
ns
th
Data Hold Time
0
ns
th
Select Hold Time
10
ns
trec
Recovery Time
20
ns
Test Conditions
CL = 15 pF
CL = 45 pF,
RL = 667
Ω
CL = 5.0 pF
Test Conditions
VCC = 5.0 V
FAST AND LS TTL DATA
5-4
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