54F253 Datasheet | National Semiconductor

54F 74F253 Dual 4-Input Multiplexer with TRI-STATE Outputs Obsolete November 1994 54F 74F253 Dual 4-Input Multiplexer with TRI-STATE Outputs General Description The ’F253 is a dual 4-input multiplexer with TRI-STATE outputs It can select two bits of data from four sources using mon 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 Y Multifunction capability Y Non-inverting TRI-STATE outputs Y Guaranteed 4000V minimum ESD protection mercial 74F253PC 74F253SC (Note 1) 74F253SJ (Note 1) Military 54F253DM (Note 2) 54F253FM (Note 2) 54F253LL (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 9505- 3 TL F 9505 - 1 TL F 9505 - 2 TL F 9505- 5 TRI-STATE is a registered trademark of National Semiconductor Corporation C1995 National Semiconductor Corporation TL F 9505 RRD-B30M75 Printed in U S A Unit Loading Fan Out Pin...