GENERAL DESCRIPTION
Four bits of data from two sources can be selected using a Common Data Select input. FEATURES
s Multiplexer expansion by tying outputs together s Non-inverting 3-STATE outputs s Input clamp diodes limit high-speed termination effects Ordering Code: Order Number 74F257ASC 74F257ASJ 74F257APC 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 “X” to the ordering code. Logic Symbols Connection Diagram IEEE/IEC © 1999 Fairchild Semiconductor Corporation DS009507 74F257A Unit Loading/Fan Out Pin Names S OE I0a–I0d I1a–I1d Za–Zd DESCRIPTION
Common Data Select Input 3-STATE Output Enable Input (Active LOW) Data Inputs from Source 0 Data Inputs from Source 1 3-STATE Multiplexer Outputs U.L. H...
Fairchild Semiconductor
