參數(shù)資料
型號(hào)： SNJ54HCT139W
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： HCT SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, CDFP16
封裝： CERAMIC, DFP-16
文件頁(yè)數(shù)： 8/15頁(yè)
文件大?。?/td> 559K
代理商： SNJ54HCT139W
SN54HCT139, SN74HCT139
DUAL 2LINE TO 4LINE DECODERS/DEMULTIPLEXERS
SCLS066D MARCH 1982 REVISED SEPTEMBER 2003
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
description/ordering information (continued)
The ’HCT139 devices comprise two individual 2-line to 4-line decoders in a single package. 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
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
HLH
L
H
L
logic diagram (positive logic)
1G
1Y0
1Y1
1Y2
1Y3
2Y0
2Y1
2Y2
2Y3
1A
1B
2G
2A
2B
Pin numbers shown are for the D, DB, J, N, PW, and W packages.
1
2
3
15
14
13
4
5
6
7
12
11
10
9
相關(guān)PDF資料
PDF描述
SN74HCT139DTE4 HCT SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDSO16
SN74HCT139DBR HCT SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDSO16
SNJ54HCT14WR HCT SERIES, HEX 1-INPUT INVERT GATE, CDFP14
SN74HCT14PWRG4 HCT SERIES, HEX 1-INPUT INVERT GATE, PDSO14
SN74HCT14DGVR HCT SERIES, HEX 1-INPUT INVERT GATE, PDSO14
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