74F251A 8-Input Multiplexer with 3-STATE Outputs
April 1988
Revised August 1999
74F251A
8-Input Multiplexer with 3-STATE Outputs
General Description
The 74F251A is a high-speed 8-input digital multiplexer. It
provides, in one package, the ability to select one bit of
data from up to eight sources. It can be used as a universal
function generator to generate any logic function of four
variables. Both assertion and negation outputs are pro-
vided.
Features
s
Multifunctional capability
s
On-chip select logic decoding
s
Inverting and non-inverting 3-STATE outputs
Ordering Code:
Order Number
74F251ASC
74F251ASJ
74F251APC
Package Number
M16A
M16D
N16E
Package Description
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter 鈥淴鈥?to the ordering code.
Logic Symbols
Connection Diagram
IEEE/IEC
漏 1999 Fairchild Semiconductor Corporation
DS009504
www.fairchildsemi.com