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參數(shù)資料
| 型號(hào)： | 74ABT373CSMX |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Octal Transparent Latch with TRI-STATE Outputs |
| 中文描述： | 八路透明鎖存器與三態(tài)輸出 |
| 文件頁(yè)數(shù)： | 2/16頁(yè) |
| 文件大?。?/td> | 338K |
| 代理商： | 74ABT373CSMX |
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Functional Description
The
’ABT373
contains
TRI-STATE output buffers. When the Latch Enable (LE) in-
put is HIGH, data on the D
n
inputs enters the latches. In this
condition the latches are transparent, i.e., a latch output will
change state each time its D input changes. When LE is
LOW, the latches store the information that was present on
the D inputs a setup time preceding the HIGH-to-LOW tran-
sition of LE. The TRI-STATE buffers are controlled by the
Output Enable (OE) input. When OE is LOW, the buffers are
in the bi-state mode. When OE is HIGH the buffers are in
the high impedance mode but this does not interfere with
entering new data into the latches.
eight
D-type
latches
with
Truth Table
Inputs
Output
LE
OE
D
n
O
n
H
H
L
X
L
L
L
H
H
L
X
X
H
L
O
n
(no change)
Z
H
e
HIGH Voltage Level
L
e
LOW Voltage Level
X
e
Immaterial
Z
e
High Impedance State
Logic Diagram
TL/F/11547–3
Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays.
2
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相關(guān)代理商/技術(shù)參數(shù) |
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| 74ABT373CWC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit D-Type Latch |
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| 74ABT374 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Octal D-Type Flip-Flop with 3-STATE Outputs |
| 74ABT374_07 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Octal D-Type Flip-Flop with 3-STATE Outputs |
| 74ABT374_ZAF3026B WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
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