54F521DM Datasheet, PDF (1/8 Pages) National Semiconductor (TI) – 8-Bit Identity Comparator

May 1995
54F 74F521
8-Bit Identity Comparator
General Description
The ’F521 is an expandable 8-bit comparator It compares
two words of up to eight bits each and provides a LOW
output when the two words match bit for bit The expansion
input I_Ae_B also serves as an active LOW enable input
Features
Y _{Compares two 8-bit words in 6 5 ns typ}
Y _{Expandable to any word length}
Y _{20-pin package}
Commercial
74F521PC
74F521SC (Note 1)
74F521SJ (Note 1)
74F521MSA (Note 1)
Military
54F521DM (Note 2)
Package
Number
N20A
J20A
M20B
M20D
MSA20
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 JEDEC
20-Lead (0 300 Wide) Molded Small Outline EIAJ
20-Lead Molded Shrink Small Outline EIAJ type II
Note 1 Devices also available in 13 reel Use suffix e SCX SJX and MSAX
Note 2 Military grade device with environmental and burn-in processing Use suffix e DMQB
Logic Symbols
IEEE IEC
TL F 9545 – 1
TRI-STATE is a registered trademark of National Semiconductor Corporation
C1995 National Semiconductor Corporation TL F 9545
TL F 9545 – 4
RRD-B30M75 Printed in U S A