AT28BV256-20SUAlternatives & Equivalent Parts

About AT28BV256-20SU

AT28BV256-20SU is a Integrated Circuit component manufactured by Microchip. It comes in a Small Outline Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

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Specification Comparison

ParameterAT28BV256-20SUSourceHTSW-103-07-F-SCD4069UBE
ManufacturerMicrochipSAMTECTexas Instruments
Package TypeSmall Outline PackagesHeader, VerticalDual-In-Line Packages
Pin Count28314
Temperature Range-40.0°C ~ 85.0°C-55.0°C ~ 125.0°C-55.0°C ~ 125.0°C
Price$9.8865$0.0760$0.3147
StockIn StockIn StockIn Stock
LifecycleACTIVEACTIVEACTIVE
Electrical Parameters
Pbfree CodeYesYesYes
Manufacturer Package CodeSOIC-28
Factory Lead Time8 Weeks1 Week
YTEOL149.115
Access Time-Max200 ns
Additional FeatureAUTOMATIC WRITE
Command User InterfaceNO
Data PollingYES
Data Retention Time-Min10
Endurance10000 Write/Erase Cycles
JESD-30 CodeR-PDSO-G28R-PDIP-T14
JESD-609 Codee3e3e4
Memory Density262144 bit
Memory IC TypeEEPROM
Memory Width8
Number of Functions16
Number of Ports1
Number of Words32768 words
Number of Words Code32000
Operating ModeASYNCHRONOUS
Organization32KX8
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeSOP28,.4DIP14,.3
Package ShapeRECTANGULARRECTANGULAR
Package StyleSMALL OUTLINEIN-LINE
Page Size64 words
Parallel/SerialPARALLEL
Peak Reflow Temperature (Cel)260
Programming Voltage3 V
Qualification StatusNot QualifiedNot Qualified
Standby Current-Max0.00005 A
Supply Current-Max0.015 mA
Supply Voltage-Max (Vsup)3.6 V18 V
Supply Voltage-Min (Vsup)2.7 V3 V
Supply Voltage-Nom (Vsup)3 V5 V
Surface MountYESNO
TechnologyCMOSCMOS
Temperature GradeINDUSTRIALMILITARY
Terminal FinishMatte Tin (Sn)Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal FormGULL WINGTHROUGH-HOLE
Terminal Pitch1.27 mm2.54 mm2.54 mm
Terminal PositionDUALDUAL
Time@Peak Reflow Temperature-Max (s)30
Toggle BitYES
Write Cycle Time-Max (tWC)10 ms
Write ProtectionHARDWARE/SOFTWARE
## AT28BV256-20SU Alternates Showing resultsImage
Body Breadth0.098 inch
Body Depth0.1 inch
Body Length0.3 inch
Connector TypeBOARD CONNECTOR
Contact Finish MatingGOLD FLASH OVER NICKEL (50)
Contact Finish TerminationMatte Tin (Sn) - with Nickel (Ni) barrier
Contact GenderMALE
Contact MaterialPHOSPHOR BRONZE
Contact PatternRECTANGULAR
Contact StyleSQ PIN-SKT
DIN ConformanceNO
Filter FeatureNO
IEC ConformanceNO
Insulator ColorNATURAL
Insulator MaterialLIQUID CRYSTAL POLYMER
MIL ConformanceNO
Mating Contact Pitch0.1 inch
Mating InformationMULTIPLE MATING PARTS AVAILABLE
Mixed ContactsNO
Mounting Option 1LOCKING
Mounting StyleSTRAIGHT
Mounting TypeBOARD
Number Of ConnectorsONE
Number Of PCB Rows1
Number of Rows Loaded1
OptionGENERAL PURPOSE
PCB Contact PatternRECTANGULAR
Plating ThicknessFLASH inch
Rated Current (Signal)6.3 A
Reference StandardUL
Terminal Length0.23 inch
Termination TypeSOLDER
Total Number of Contacts3
UL Flammability Code94V-0
Family4000/14000/40000
Load Capacitance (CL)50 pF
Logic IC TypeINVERTER
Max I(ol)0.0068 A
Number of Inputs1
Packing MethodTUBE
Power Supply Current-Max (ICC)0.15 mA
Prop. Delay@Nom-Sup110 ns
Propagation Delay (tpd)110 ns
Schmitt TriggerNO
## CD4069UBE Alternates Showing resultsImage

Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.

Need pricing on these alternatives?

Get one quote covering all 2 alternatives for AT28BV256-20SU — response within 24 hours.

Quick Links

Why Look for Alternatives?

Finding alternatives for AT28BV256-20SU is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.

When evaluating AT28BV256-20SU replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.

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FAQ

What is equivalent to AT28BV256-20SU?

Known equivalents for AT28BV256-20SU include HTSW-103-07-F-S, CD4069UBE. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of AT28BV256-20SU?

In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.

How do I verify AT28BV256-20SU alternatives?

Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.