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參數(shù)資料
| 型號： | 74LS645 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Octal Bus Transceivers(non-inverted-3state outputs) |
| 中文描述： | 八路總線收發(fā)器（非倒3state產(chǎn)出） |
| 文件頁數(shù)： | 3/5頁 |
| 文件大?。?/td> | 52K |
| 代理商： | 74LS645 |
3
www.fairchildsemi.com
DM74LS645
Switching Characteristics
at VCC = 5V and TA = 25°C
From (Input)
RL = 667
Symbol
Parameter
To (Output)
CL = 45 pF
CL = 5 pF
Units
MinMax
tPLH
Propagation Delay Time
A to B
15
ns
LOW-to-HIGH Level Output
tPHL
Propagation Delay Time
A to B
15
ns
HIGH-to-LOW Level Output
tPLH
Propagation Delay Time
B to A
15
ns
LOW-to-HIGH Level Output
tPHL
Propagation Delay Time
B to A
15
ns
HIGH-to-LOW Level Output
tPZL
Output Enable Time
G to A
40
ns
to LOW Level
tPZH
Output Enable Time
G to A
40
ns
to HIGH Level
tPZL
Output Enable Time
G to B
40
ns
to LOW Level
tPZH
Output Enable Time
G to B
40
ns
to HIGH Level
tPLZ
Output Disable Time
G to A
25
ns
to LOW Level
tPHZ
Output Disable Time
G to A
25
ns
to HIGH Level
tPLZ
Output Disable Time
G to B
25
ns
to LOW Level
tPHZ
Output Disable Time
G to B
25
ns
to HIGH Level
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74LS645-1N | 制造商:Advanced Micro Devices 功能描述: 制造商:Texas Instruments 功能描述: |
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