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參數(shù)資料
| 型號： | SNJ54LV157AW |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 編、解碼器及復(fù)用、解復(fù)用 |
| 英文描述： | LV/LV-A/LVX/H SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, CDFP16 |
| 封裝： | CERAMIC, DFP-16 |
| 文件頁數(shù)： | 12/19頁 |
| 文件大?。?/td> | 608K |
| 代理商： | SNJ54LV157AW |
SN54LV157A, SN74LV157A
QUADRUPLE 2LINE TO 1LINE DATA SELECTORS/MULTIPLEXERS
SCLS397F APRIL 1998 REVISED APRIL 2005
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
description/ordering information (continued)
These devices are fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the
outputs, preventing damaging current backflow through the devices when they are powered down.
FUNCTION TABLE
INPUTS
OUTPUT
G
SELECT
DATA
OUTPUT
Y
G
SELECT
A/B
A
B
Y
H
X
L
XL
L
H
XH
L
H
X
LL
L
H
X
H
logic diagram (positive logic)
Pin numbers shown are for the D, DB, DGV, J, NS, PW, and W packages.
2
3
5
6
11
10
14
13
15
1
G
A/B
4B
4A
3B
3A
2B
2A
1B
1A
4
7
9
12
1Y
2Y
3Y
4Y
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