Part # 54F74 datasheet

Part Manufacturer: National Semiconductor

National Semiconductor

Part Description: 54F74 Dual D-Type Positive Edge-Triggered Flip-Flop

Part Details:

54F74F74 December 1994 54F 74F74 Dual Dual D-Type Positive Edge-Triggered Flip-Flop D-Type General DescriptionThe F74 is a dual D-type flip-flop with Direct Clear and Set Asynchronous Inputs inputs and complementary (Q Q) outputs Information at the LOW input to SD sets Q to HIGH level input is transferred to the outputs on the positive edge of LOW input to CD sets Q to LOW level the clock pulse Clock triggering occurs at a voltage level of Clear and Set are independent of clock the clock pulse and is not directly related to the transition Simultaneous LOW on C Positive D and SD time of the positive-going pulse After the Clock Pulse input makes both Q and Q HIGH threshold voltage has been passed the Data input is lockedout and information present will not be transferred to the Features outputs until the next rising edge of the Clock Pulse input Y Guaranteed 4000V minimum ESD protection Edge-Triggered Package Commercial Military Package Description Number 74F74PC N14A 14-Lead (0 300 Wide) Molded Dual-In-Line 54F74DM (Note 2) J14A 14-Lead Ceramic Dual-In-Line 74F74SC (Note 1) M14A 14-Lead (0 150 Wide) Molded Small Outline JEDEC 74F74SJ (Note 1) M14D 14-Lead (0 300 Wide) Molded Small Outline EIAJ 54F74FM (Note 2) W14B 14-Lead Cerpack Flip-Flop 54F74LM (Note 2) E20A 20-Lead Ceramic Leadless Chip Carrier Type C Note 1 Devices also available in 13 reel Use Suffix e SCX Note 2 Military grade device with environmental and burn-in processing Use suffix e DMQB FMQB and LMQB Logic Symbols IEEE IEC

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54F74.pdf Datasheet