54F322

54F 74F322 Octal Serial Parallel Register with Sign Extend Obsolete May 1995 54F 74F322 Octal Serial Parallel Register with Sign Extend General Description The ’F322 is an 8-bit shift register with provision for either serial or parallel loading and with TRI-STATE parallel outputs plus a bi-state serial output Parallel data inputs and parallel outputs are multiplexed to minimize pin count State changes are initiated by the rising edge of the clock Four synchronous modes of operation are possible hold (store) shift right with serial entry shift right with sign extend and parallel load An asynchronous Master Reset (MR) input overrides clocked operation and clears the register Features Y Multiplexed parallel I O ports Y Separate serial input and output Y Sign extend function Y TRI-STATE outputs for bus applications Commercial 74F322PC 74F322SJ (Note 1) Military 54F322DM (Note 2) 54F322FM (Note 2) 54F322LM (Note 2) Package Number N20A J20A M20D W20A E20A Package Description 20-Lead (0 300 Wide) Molded Dual-In-Line 20-Lead Ceramic Dual-In-Line 20-Lead (0 300 Wide) Molded Small Outline EIAJ 20-Lead Cerpack 20-Lead Ceramic Leadless Chip Carrier Type C Note 1 Devices also available in 13 reel Use suffix e SJX Note 2 Military grade device with environmental and burn-in processing Use suffix e DMQB FMQB and LMQB Logic Symbols IEEE IEC TL F 9516 – 3 TRI-STATE is a registered trademark of National Semiconductor Corporation C1995 National Semiconductor Corporation TL F 9516 ...