© 1999 Fairchild Semiconductor Corporation DS009505 www.fairchildsemi.com
April 1988
Revised August 1999
7
4F253 D
u
a
l
4-I
nput Mult
ip
lexer

wi
th 3-ST
A
T
E
Out
puts
74F253
Dual 4-Input Multiplexer with 3-STATE Outputs
General Description
The 74F253 is a dual 4-input multiplexer with 3-STATE out-
puts. It can select two bits of data from four sources using
common select inputs. The output may be individually
switched to a high impedance state with a HIGH on the
respective Output Enable (OE) inputs, allowing the outputs
to interface directly with bus oriented systems.
Features
a73 Multifunction capability
a73 Non-inverting 3-STATE outputs

Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Symbols
IEEE/IEC
Connection Diagram
Order Number Package Number Package Description
74F253SC M16A 16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
74F253SJ M16D 16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74F253PC N16E 16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide