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74HC595 参数 Datasheet PDF下载

74HC595图片预览
型号: 74HC595
PDF下载: 下载PDF文件 查看货源
内容描述: 8位移位寄存器当变送器锁存三态输出 [8-Bit Shift Registers W ith Latched 3-State Output]
分类和应用: 移位寄存器
文件页数/大小: 8 页 / 246 K
品牌: WINGS [ WING SHING COMPUTER COMPONENTS ]
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WS74HC595
AC SWITCHING WAVEFORM AND AC TEST CIRCUIT
Voltage Waveforms 1. Propagation Delay and Output Transition Times
Input
Vcc
50%
tPLH
50%
0V
tPHL
In-Phase
Output
50%
10%
tPHL
90%
90%
tr
Out-of-Phase
Output
50%
10%
t
f
50%
10% V
OL
t
f
tPLH
V
OH
90%
50%
10%
V
OL
tr
90%
V
OH
Voltage waveforms 2. Enable And Disable Times For 3-State Outputs
Output
Control
(Low-Level
Enabling)
Output
Waveform1
50%
tPZL
≈Vcc
50%
50%
tPLZ
Vcc
0V
≈Vcc
V
OL
V
OH
≈0
V
10%
90%
tPHZ
tPZH
Output
Waveform
2
50%
Voltage waveforms 3. Setup And Hold and Input Rise And Fall Times
Reference
Input
50%
Vcc
0V
t
su
t
h
90%
Vcc
50%
10%
t
f
Data
Input
50%
10%
90%
tr
0V
6