SN54AHCT158, SN74AHCT158
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
SCLS348H – MAY 1996 – REVISED JANUARY 2000
SN54AHCT158 . . . J OR W PACKAGE
SN74AHCT158 . . . D, DB, DGV, N, OR PW PACKAGE
(TOP VIEW)
EPIC (Enhanced-Performance Implanted
CMOS) Process
Inputs Are TTL-Voltage Compatible
Latch-Up Performance Exceeds 250 mA Per
JESD 17
V
G
A/B
1A
1B
1Y
2A
2B
2Y
GND
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
CC
4A
4B
4Y
3A
3B
3Y
ESD Protection Exceeds 2000 V Per
MIL-STD-833, Method 3015; Exceeds 200 V
Using Machine Model (C = 200 pF, R = 0)
Package Options Include Plastic
Small-Outline (D), Shrink Small-Outline
(DB), Thin Very Small-Outline (DGV), Thin
Shrink Small-Outline (PW), and Ceramic
Flat (W) Packages, Ceramic Chip Carriers
(FK), and Standard Plastic (N) and Ceramic
(J) DIPs
SN54AHCT158 . . . FK PACKAGE
(TOP VIEW)
description
3
2
1 20 19
18
4A
4B
NC
4Y
3A
1B
1Y
NC
2A
2B
4
5
6
7
8
These quadruple 2-line to 1-line data
selectors/multiplexers are designed for 4.5-V to
17
16
15
14
5.5-V V
operation.
CC
The ’AHCT158 devices feature a common strobe
(G) input. When the strobe is high, all outputs are
high. When the strobe is low, a 4-bit word is
selected from one of two sources and is routed to
the four outputs. The devices provide inverted
data.
9 10 11 12 13
NC – No internal connection
The SN54AHCT158 is characterized for
operation over the full military temperature range
of –55°C to 125°C. The SN74AHCT158 is
characterized for operation from –40°C to 85°C.
FUNCTION TABLE
(each data selector/multiplexer)
INPUTS
OUTPUT
Y
G
H
L
A/B
A
X
L
B
X
X
X
L
X
L
H
H
L
L
L
H
X
X
L
H
H
H
L
L
H
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
EPIC is a trademark of Texas Instruments Incorporated.
Copyright 2000, Texas Instruments Incorporated
UNLESS OTHERWISE NOTED this document contains PRODUCTION
DATA information 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
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