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74LS164 参数 Datasheet PDF下载

74LS164图片预览
型号: 74LS164
PDF下载: 下载PDF文件 查看货源
内容描述: 8位串行输入/并行输出移位寄存器 [8-Bit Serial-Input/Parallel-Output Shift Register]
分类和应用: 移位寄存器
文件页数/大小: 4 页 / 40 K
品牌: SLS [ SYSTEM LOGIC SEMICONDUCTOR ]
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SL74LS164
Note 2: I is measured with outputs open, serial inputs grouned, the clock input at 2.4 V, and a momentary
CC
ground, then 4.5 V applied.
AC ELECTRICAL CHARACTERISTICS
(T
A
=25°C, V
CC
= 5.0 V, C
L
= 15 pF, R
L
= 2 kΩ, t
r
=15
ns, t
f
= 6.0 ns)
Symbol
t
PLH
t
PHL
t
PHL
t
su
t
h
t
w
t
w
Parameter
Propagation Delay Time, Clock to Q
Propagation Delay Time, Clock to Q
Propagation Delay Time, Reset to Q
Setup Time, A1 or A2 to Clock
Hold Time, Clock to A1 or A2
Pulse Width, Clock
Pulse Width, Reset
15
5
20
20
Min
Max
27
32
36
Unit
ns
ns
ns
ns
ns
ns
ns
Figure 1. Switching Waveforms
Figure 2. Switching Waveforms
NOTES A. C
L
includes probe and jig capacitance.
B. All diodes are 1N916 or 1N3064.
Figure 3. Switching Waveform
Figure 4. Test Circuit
SLS
System Logic
Semiconductor