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Texas Instruments (TI) Electronic Components Datasheet

SN74AS353B Datasheet

Dual 1-of-4 Data Selector/Multiplexer

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SN74AS353B
DUAL 1ĆOFĆ4 DATA SELECTOR/MULTIPLEXER
WITH 3ĆSTATE OUTPUTS
SDAS222A − APRIL 1982 − REVISED DECEMBER 1994
Inverting Version of AS253
Permits Multiplexing From n Lines to
One Line
Performs Parallel-to-Serial Conversion
Package Options Include Plastic
Small-Outline (D) Packages and Standard
Plastic (N) 300-mil DIPs
description
This data selector/multiplexer contains inverters
and drivers to supply full binary decoding data
selection to the AND-OR-invert gates. Separate
output-enable (OE) inputs are provided for each of
the two 4-line sections.
D OR N PACKAGE
(TOP VIEW)
1OE
B
1C3
1C2
1C1
1C0
1Y
GND
1
2
3
4
5
6
7
8
16 VCC
15 2OE
14 A
13 2C3
12 2C2
11 2C1
10 2C0
9 2Y
The 3-state outputs can interface with and drive data lines of bus-organized systems. With all but one of the
common outputs disabled (at the high-impedance state), the low impedance of the single enabled output drives
the bus line to a high or low logic level. Each section has its own output enable. The output is disabled when
OE is high.
The SN74ALS353B is characterized for operation from 0°C to 70°C.
FUNCTION TABLE
INPUTS
SELECT
BA
DATA
OE
C0 C1 C2 C3
XXXXXXH
L L LXXXL
L LHXXXL
L HX L XX L
L HXHXX L
HLXXLXL
H L XXHX L
HHXXX L L
HHX X XH L
Select inputs A and B are common to both sections.
OUTPUT
Y
Z
H
L
H
L
H
L
H
L
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright 1994, Texas Instruments Incorporated
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
POST OFFICE BOX 1443 HOUSTON, TEXAS 77251−1443
1


Texas Instruments (TI) Electronic Components Datasheet

SN74AS353B Datasheet

Dual 1-of-4 Data Selector/Multiplexer

No Preview Available !

SN74AS353B
DUAL 1ĆOFĆ4 DATA SELECTOR/MULTIPLEXER
WITH 3ĆSTATE OUTPUTS
SDAS222A − APRIL 1982 − REVISED DECEMBER 1994
logic symbol
14
A
2
B
0
1
G
0
3
1OE
1C0
1C1
1C2
1C3
2OE
2C0
2C1
2C2
2C3
1
6
5
4
3
15
10
11
12
13
EN MUX
0
1
2
3
This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
logic diagram (positive logic)
1
1OE
1C0 6
Data 1
5
1C1
1C2 4
Select
1C3 3
2
B
A 14
10
2C0
Data 2
11
2C1
12
2C2
13
2C3
15
2OE
7
1Y
9
2Y
7
1Y
9
2Y
2 POST OFFICE BOX 655303 DALLAS, TEXAS 75265
POST OFFICE BOX 1443 HOUSTON, TEXAS 77251−1443


Part Number SN74AS353B
Description Dual 1-of-4 Data Selector/Multiplexer
Maker Texas
Total Page 9 Pages
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