54F821
54F821 is 10-Bit D-Type Flip-Flop manufactured by National Semiconductor.
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 patible with the AMD’s Am29821
Features
Y TRI-STATE Outputs Y Direct replacement for AMD’s Am29821 mercial 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 m A b0 6 m A
20 m A b0 6 m A
20 m A b0 6 m A b3 0 m A 24 m A (20 m...
