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54F521  Product Folder

8-Bit Identity Comparator
General
Description		 Features Datasheet Package
& Models		 Samples
& Pricing

Parametric Table Parametric Table
Temperature Min (deg C) -55 
Temperature Max (deg C) 125 

Datasheet

TitleSize in KbytesDate
View Online
Download
Receive via Email
54F521 8-Bit Identity Comparator 165 Kbytes 9-Dec-97 View Online Download Receive via Email
54F521 Mil-Aero Datasheet MN54F521-X 19 Kbytes   View Online Download Receive via Email

If you have trouble printing or viewing PDF file(s), see Printing Problems.

Package Availability, Models, Samples & Pricing

Part NumberPackageStatusModelsSamples &
Electronic
Orders		Budgetary PricingStd
Pack
Size		Package
Marking
TypePinsMSL/Lead-Free AvailabilityLead
Time		QtySPICEIBISQty$US each
54F521LMQBLCC20StatusFull productionN/AN/A 50+$4.40rail
of
50		NSZSSXXYYA
54F521
LMQB /QL
>
8-9 weeks500
54F521DMQBCERDIP20StatusFull productionN/AN/A 50+$2.90rail
of
20		NSZSSXXYYA>
54F521DMQB
QL
6-8 weeks500
JM38510/34701B2ALCC20StatusFull productionN/AN/A 
Buy Now		50+$5.20rail
of
50		NS JM38510
/34701B2A
27014 QS
ZSSXXYYA>
8-9 weeks500
JM38510/34701BRACERDIP20StatusFull productionN/AN/A 
Buy Now		50+$2.32rail
of
20		NS ZSSXXYYA>
JM38510/34701BRA
27014 QS
6-8 weeks500
JM38510/34701BSACERPACK20StatusFull productionN/AN/A 50+$4.08rail
of
19		NSZSSXXYYA>
JM38510/
34701BSA
27014 QS
8-9 weeks500

Obsolete Parts

Obsolete PartAlternate Part or SupplierSourceLast Time Buy Date
54F521DM.
54F521DMQB
NATIONAL SEMICONDUCTOR
09/04/2001
54F521FMQB
JD54F521BSA
NATIONAL SEMICONDUCTOR
09/08/98

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#A=B also serves as an active LOW enable input.

Features

  • Compares two 8-bit words in 6.5 ns typ
  • Expandable to any word length
  • 20-pin package
[Information as of 15-Jan-2004]

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