Datasheets
74AC521LCQR by:

Identity Comparator, AC Series, 8-Bit, Inverted Output, CMOS, CQCC20, CERAMIC, LCC-20

Part Details for 74AC521LCQR by Fairchild Semiconductor Corporation

Overview of 74AC521LCQR by Fairchild Semiconductor Corporation

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Applications Education and Research Space Technology Aerospace and Defense Automotive

Part Details for 74AC521LCQR

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74AC521LCQR Part Data Attributes

74AC521LCQR Fairchild Semiconductor Corporation
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74AC521LCQR Fairchild Semiconductor Corporation Identity Comparator, AC Series, 8-Bit, Inverted Output, CMOS, CQCC20, CERAMIC, LCC-20
Part Life Cycle Code Obsolete
Ihs Manufacturer FAIRCHILD SEMICONDUCTOR CORP
Part Package Code QLCC
Package Description QCCN,
Pin Count 20
Reach Compliance Code unknown
HTS Code 8542.39.00.01
Additional Feature ALSO WORKS WITH 5V VCC
Family AC
JESD-30 Code S-CQCC-N20
Length 8.89 mm
Logic IC Type IDENTITY COMPARATOR
Number of Bits 8
Number of Functions 1
Number of Terminals 20
Operating Temperature-Max 85 °C
Operating Temperature-Min -40 °C
Output Polarity INVERTED
Package Body Material CERAMIC, METAL-SEALED COFIRED
Package Code QCCN
Package Shape SQUARE
Package Style CHIP CARRIER
Qualification Status Not Qualified
Seated Height-Max 2.54 mm
Supply Voltage-Max (Vsup) 3.6 V
Supply Voltage-Min (Vsup) 3 V
Supply Voltage-Nom (Vsup) 3.3 V
Surface Mount YES
Technology CMOS
Temperature Grade INDUSTRIAL
Terminal Form NO LEAD
Terminal Pitch 1.27 mm
Terminal Position QUAD
Width 8.89 mm

Alternate Parts for 74AC521LCQR

This table gives cross-reference parts and alternative options found for 74AC521LCQR. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of 74AC521LCQR, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Description Manufacturer Compare
74AC521MTC Identity Comparator, AC Series, 8-Bit, Inverted Output, CMOS, PDSO20, 4.40 MM, MO-153, TSSOP-20 Fairchild Semiconductor Corporation 74AC521LCQR vs 74AC521MTC
MC14008BALD Adder/Subtractor, 4000/14000/40000 Series, 4-Bit, CMOS, CDIP16, 620-09 Motorola Semiconductor Products 74AC521LCQR vs MC14008BALD
74AC521LCQR IC AC SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, CQCC20, CERAMIC, LCC-20, Arithmetic Circuit Texas Instruments 74AC521LCQR vs 74AC521LCQR
MC10H304FN Parity Generator/Checker, 10H Series, 8-Bit, ECL, PQCC20, PLASTIC, LCC-20 Motorola Semiconductor Products 74AC521LCQR vs MC10H304FN
5962-8966301DA AS SERIES, 9-BIT PARITY GENERATOR/CHECKER, INVERTED OUTPUT, CDFP14, CERAMIC, DFP-14 Texas Instruments 74AC521LCQR vs 5962-8966301DA
MC10H302P Parity Generator/Checker, 10H Series, 6-Bit, ECL, PDIP16, PLASTIC, DIP-16 Motorola Semiconductor Products 74AC521LCQR vs MC10H302P
CD4532BFMSH Encoder, 4000/14000/40000 Series, 8-Bit, CMOS, CDIP16 Harris Semiconductor 74AC521LCQR vs CD4532BFMSH
SNJ54AS885FH-00 AS SERIES, 8-BIT MAGNITUDE COMPARATOR, TRUE OUTPUT, CQCC28 Texas Instruments 74AC521LCQR vs SNJ54AS885FH-00
5962H9658401VXA Adder/Subtractor, AC Series, 4-Bit, CMOS, CDFP16, BOTTOM BRAZED, CERAMIC, DFP-16 Cobham Semiconductor Solutions 74AC521LCQR vs 5962H9658401VXA
MC74F283N F/FAST SERIES, 4-BIT ADDER/SUBTRACTOR, PDIP16, PLASTIC, DIP-16 Motorola Mobility LLC 74AC521LCQR vs MC74F283N

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