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參數(shù)資料
| 型號(hào)： | 74ABT |
| 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： | 74ABT |
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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
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 74ABT373CDCQB | Octal Transparent Latch with TRI-STATE Outputs |
| 74ABT373CDCX | Octal Transparent Latch with TRI-STATE Outputs |
| 74ABT373CDMQB | Octal Transparent Latch with TRI-STATE Outputs |
| 74ABT373CDMX | Octal Transparent Latch with TRI-STATE Outputs |
| 74ABT373CFCQB | Octal Transparent Latch with TRI-STATE Outputs |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74ABT00 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Quad 2-input NAND gate |
| 74ABT00D | 功能描述:邏輯門 QUAD 2-IN NAND GATE RoHS:否 制造商:Texas Instruments 產(chǎn)品:OR 邏輯系列:LVC 柵極數(shù)量:2 線路數(shù)量（輸入/輸出）:2 / 1 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 傳播延遲時(shí)間:3.8 ns 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DCU-8 封裝:Reel |
| 74ABT00D,112 | 功能描述:邏輯門 QUAD 2-IN NAND GATE RoHS:否 制造商:Texas Instruments 產(chǎn)品:OR 邏輯系列:LVC 柵極數(shù)量:2 線路數(shù)量（輸入/輸出）:2 / 1 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 傳播延遲時(shí)間:3.8 ns 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DCU-8 封裝:Reel |
| 74ABT00D,118 | 功能描述:邏輯門 QUAD 2-INPUT NAND GATE RoHS:否 制造商:Texas Instruments 產(chǎn)品:OR 邏輯系列:LVC 柵極數(shù)量:2 線路數(shù)量（輸入/輸出）:2 / 1 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 傳播延遲時(shí)間:3.8 ns 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DCU-8 封裝:Reel |
| 74ABT00DB | 功能描述:邏輯門 QUAD 2-INPUT NAND GATE RoHS:否 制造商:Texas Instruments 產(chǎn)品:OR 邏輯系列:LVC 柵極數(shù)量:2 線路數(shù)量（輸入/輸出）:2 / 1 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 傳播延遲時(shí)間:3.8 ns 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DCU-8 封裝:Reel |
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