54F251A

54F 74F251A 8-Input Multiplexer with TRI-STATE Outputs Obsolete November 1994 54F 74F251A 8-Input Multiplexer with TRI-STATE Outputs General Description The ’F251A 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 provided Features Y Multifunctional capability Y On-chip select logic decoding Y Inverting and non-inverting TRI-STATE outputs Commercial 74F251APC 74F251ASC (Note 1) 74F251ASJ (Note 1) Military 54F251ADM (Note 2) 54F251AFM (Note 2) 54F251ALL (Note 2) Package Number N16E J16A M16A M16D W16A E20A Package Description 16-Lead (0 300 Wide) Molded Dual-In-Line 16-Lead Ceramic Dual-In-Line 16-Lead (0 150 Wide) Molded Small Outline JEDEC 16-Lead (0 300 Wide) Molded Small Outline EIAJ 16-Lead Cerpack 20-Lead Ceramic Leadless Chip Carrier Type C Note 1 Devices also available in 13 reel Use suffix e SCX and SJX Note 2 Military grade device with environmental and burn-in processing Use suffix e DMQB FMQB and LMQB Logic Symbols Connection Diagrams Pin Assignment for DIP SOIC and Flatpak Pin Assignment for LCC IEEE IEC TL F 9504–3 TL F 9504 – 1 TL F 9504 – 2 TL F 9504–5 TRI-STATE is a registered trademark of National Semiconductor Corporation C1995 National Semiconductor Corporation TL F 9504 RRD-B30M75 Printed in U S A Unit Loading Fan Out...