54F821

54F 74F821 10-Bit D-Type Flip-Flop Obsolete December 1994 54F 74F821 10-Bit D-Type Flip-Flop General Description The ’F821 is a 10-bit D-type flip-flop with TRI-STATE true outputs arranged in a broadside pinout The ’F821 is functionally and pin compatible with the AMD’s Am29821 Features Y TRI-STATE Outputs Y Direct replacement for AMD’s Am29821 Commercial 74F821SPC 74F821SC (Note 1) Military 54F821SDM (Note 2) 54F821FM (Note 2) 54F821LM (Note 2) Package Number N24C J24F M24B W24C E28A Package Description 24-Lead (0 300 Wide) Molded Dual-In-Line 24-Lead (0 300 Wide) Ceramic Dual-In-Line 24-Lead (0 300 Wide) Molded Small Outline JEDEC 24-Lead Cerpack 24-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 SDMQB FMQB and LMQB Logic Symbols Connection Diagrams Pin Assignment for DIP SOIC and Flatpak Pin Assignment for LCC TL F 9595–1 IEEE IEC TL F 9595 – 2 TL F 9595 – 3 TL F 9595–5 TRI-STATE is a registered trademark of National Semiconductor Corporation C1995 National Semiconductor Corporation TL F 9595 RRD-B30M75 Printed in U S A Unit Loading Fan Out Pin Names D0 – D9 OE CP O0 – O9 Description Data Inputs Output Enable TRI-STATE Input Clock Input TRI-STATE Outputs UL HIGH LOW 10 10 10 10 10 10 150 40 (33 3) 54F 74F Input IIH IIL Output IOH IOL 20 mA b0 6 mA 20 mA b0 6 mA 20 mA b0 6 mA b3 0 mA 24 mA (20 mA) Functional Descrip...