参数资料
型号: 74LS259
厂商: Fairchild Semiconductor Corporation
英文描述: 8-Bit Addressable Latches
中文描述: 8位寻址锁存
文件页数: 4/6页
文件大小: 59K
代理商: 74LS259
www.fairchildsemi.com
4
DM74LS259
Switching Characteristics
at VCC = 5V and TA = 25°C
Symbol
Parameter
From (Input)
CL = 50 pF
Units
To (Output)
RL = 2 k
Min
Max
tPLH
Propagation Delay Time
Enable to Output
38
ns
LOW-to-HIGH Level Output
tPHL
Propagation Delay Time
Enable to Output
32
ns
HIGH-to-LOW Level Output
tPLH
Propagation Delay Time
Data to Output
35
ns
LOW-to-HIGH Level Output
tPHL
Propagation Delay Time
Data to Output
30
ns
HIGH-to-LOW Level Output
tPLH
Propagation Delay Time
Select to Output
41
ns
LOW-to-HIGH Level Output
tPHL
Propagation Delay Time
Select to Output
38
ns
HIGH-to-LOW Level Output
tPHL
Propagation Delay Time
Clear to Output
36
ns
HIGH-to-LOW Level Output
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PDF描述
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相关代理商/技术参数
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