SN54ALS153, SN74ALS153, SN74AS153
DUAL 1-OF-4 DATA SELECTORS/MULTIPLEXERS
SDAS206A – APRIL 1982 – REVISED DECEMBER 1994
SN54ALS153 . . . J PACKAGE
SN74ALS153, SN74AS153 . . . D OR N PACKAGE
(TOP VIEW)
• Permit Multiplexing From n Lines to
One Line
• Perform Parallel-to-Serial Conversion
• Strobe (Enable) Line Provided for
1G
B
V
CC
2G
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
Cascading (n Lines to n Lines)
• ′ALS253 and SN74AS253A Are 3-State
1C3
1C2
1C1
1C0
1Y
A
Versions of These Parts
2C3
2C2
2C1
2C0
2Y
• Package Options Include Plastic
Small-Outline (D) Packages, Ceramic Chip
Carriers (FK), and Standard Plastic (N) and
Ceramic (J) 300-mil DIPs
GND
description
SN54ALS153 . . . FK PACKAGE
(TOP VIEW)
These dual 1-of-4 data selectors/multiplexers
contain inverters and drivers to supply full binary
decoding data selection to the AND-OR gates.
Separate strobe (G) inputs are provided for each
of the two 4-line sections.
3
2
1
20 19
18
1C3
1C2
NC
A
4
5
6
7
8
17
16
15
14
2C3
NC
2C2
2C1
The SN54ALS153 is characterized for operation
over the full military temperature range of –55°C
to 125°C. The SN74ALS153 and SN74AS153 are
characterized for operation from 0°C to 70°C.
1C1
1C0
9 10 11 12 13
NC – No internal connection
FUNCTION TABLE
INPUTS
STROBE
OUTPUT
Y
SELECT
DATA
C1
G
B
A
X
L
C0
C2
X
X
X
X
X
L
C3
X
X
X
X
X
X
X
L
X
L
X
L
X
X
X
L
H
L
L
L
L
L
L
L
L
L
L
L
L
H
X
X
X
X
X
X
H
L
L
H
H
L
L
H
X
X
X
X
H
L
H
H
H
H
L
H
X
X
H
L
H
H
H
H
Select inputs A and B are common to both sections.
Copyright 1994, Texas Instruments Incorporated
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.
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265