74ACT158 Quad 2-Input Multiplexer
November 1988
Revised November 1999
74ACT158
Quad 2-Input Multiplexer
General Description
The ACT158 is a high-speed quad 2-input multiplexer. It
selects four bits of data from two sources using the com-
mon Select and Enable inputs. The four buffered outputs
present the selected data in the inverted form. The ACT158
can also be used as a function generator.
Features
s
I
CC
reduced by 50%
s
Outputs source/sink 24 mA
s
TTL-compatible inputs
Ordering Code:
Order Number
74ACT158SC
74ACT158PC
74ACT158MTC
74ACT158SJ
Package Number
M16A
M16D
MTC16
N16E
Package Description
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150鈥?Narrow Body
16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300鈥?Wide
Device also available in Tape and Reel. Specify by appending suffix letter 鈥淴鈥?to the ordering code.
Logic Symbols
Connection Diagram
IEE/IEC
Pin Descriptions
Pin Names
I
0a
鈥揑
0d
I
1a
鈥揑
1d
E
S
Z
a
鈥揨
d
Description
Source 0 Data Inputs
Source 1 Data Inputs
Enable Input
Select Input
Inverted Outputs
FACT錚?is a trademark of Fairchild Semiconductor Corporation.
漏 1999 Fairchild Semiconductor Corporation
DS009930
www.fairchildsemi.com