參數(shù)資料
型號: SNJ54AHC139W
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: AHC/VHC/H/U/V SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, CDFP16
封裝: CERAMIC, DFP-16
文件頁數(shù): 12/21頁
文件大?。?/td> 861K
代理商: SNJ54AHC139W
SN54AHC139, SN74AHC139
DUAL 2-LINE TO 4-LINE DECODERS/DEMULTIPLEXERS
SCLS259K DECEMBER 1995 REVISED MARCH 2003
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
description/ordering information (continued)
The active-low enable (G) input can be used as a data line in demultiplexing applications. These
decoders/demultiplexers feature fully buffered inputs, each of which represents only one normalized load to its
driving circuit.
FUNCTION TABLE
(each decoder/demultiplexer)
INPUTS
OUTPUTS
G
SELECT
OUTPUTS
G
B
A
Y0
Y1
Y2
Y3
H
X
H
L
LL
HH
H
L
HH
LH
H
L
H
LH
HL
H
L
H
L
logic diagram (positive logic)
Select
Inputs
Select
Inputs
2B
2A
2G
1B
1A
1G
Data
Outputs
2Y3
2Y2
2Y1
2Y0
1Y3
1Y2
1Y1
1Y0
1
2
3
15
14
13
4
5
6
7
12
11
10
9
Pin numbers shown are for the D, DB, DGV, J, N, NS, PW, RGY, and W packages.
相關(guān)PDF資料
PDF描述
SNJ54AHC139FKR AHC/VHC/H/U/V SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, CQCC20
SNJ54AHC174FK AHC/VHC/H/U/V SERIES, POSITIVE EDGE TRIGGERED D FLIP-FLOP, TRUE OUTPUT, CQCC20
SNJ54AHC174J AHC/VHC/H/U/V SERIES, POSITIVE EDGE TRIGGERED D FLIP-FLOP, TRUE OUTPUT, CDIP16
SNJ54AHC174W AHC/VHC/H/U/V SERIES, POSITIVE EDGE TRIGGERED D FLIP-FLOP, TRUE OUTPUT, CDFP16
SNJ54AHC240WR AHC/VHC/H/U/V SERIES, DUAL 4-BIT DRIVER, INVERTED OUTPUT, CDFP20
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