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-G28—R-PDIP-T14
JESD-609 Codee3e3e4
Memory Density262144 bit——
Memory IC TypeEEPROM——
Memory Width8——
Number of Functions1—6
Number of Ports1——
Number of Words32768 words——
Number of Words Code32000——
Operating ModeASYNCHRONOUS——
Organization32KX8——
Package Body MaterialPLASTIC/EPOXY—PLASTIC/EPOXY
Package Equivalence CodeSOP28,.4—DIP14,.3
Package ShapeRECTANGULAR—RECTANGULAR
Package StyleSMALL OUTLINE—IN-LINE
Page Size64 words——
Parallel/SerialPARALLEL——
Peak Reflow Temperature (Cel)260——
Programming Voltage3 V——
Qualification StatusNot Qualified—Not Qualified
Standby Current-Max0.00005 A——
Supply Current-Max0.015 mA——
Supply Voltage-Max (Vsup)3.6 V—18 V
Supply Voltage-Min (Vsup)2.7 V—3 V
Supply Voltage-Nom (Vsup)3 V—5 V
Surface MountYES—NO
TechnologyCMOS—CMOS
Temperature GradeINDUSTRIAL—MILITARY
Terminal FinishMatte Tin (Sn)—Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal FormGULL WING—THROUGH-HOLE
Terminal Pitch1.27 mm2.54 mm2.54 mm
Terminal PositionDUAL—DUAL
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 Breadth—0.098 inch—
Body Depth—0.1 inch—
Body Length—0.3 inch—
Connector Type—BOARD CONNECTOR—
Contact Finish Mating—GOLD FLASH OVER NICKEL (50)—
Contact Finish Termination—Matte Tin (Sn) - with Nickel (Ni) barrier—
Contact Gender—MALE—
Contact Material—PHOSPHOR BRONZE—
Contact Pattern—RECTANGULAR—
Contact Style—SQ PIN-SKT—
DIN Conformance—NO—
Filter Feature—NO—
IEC Conformance—NO—
Insulator Color—NATURAL—
Insulator Material—LIQUID CRYSTAL POLYMER—
MIL Conformance—NO—
Mating Contact Pitch—0.1 inch—
Mating Information—MULTIPLE MATING PARTS AVAILABLE—
Mixed Contacts—NO—
Mounting Option 1—LOCKING—
Mounting Style—STRAIGHT—
Mounting Type—BOARD—
Number Of Connectors—ONE—
Number Of PCB Rows—1—
Number of Rows Loaded—1—
Option—GENERAL PURPOSE—
PCB Contact Pattern—RECTANGULAR—
Plating Thickness—FLASH inch—
Rated Current (Signal)—6.3 A—
Reference Standard—UL—
Terminal Length—0.23 inch—
Termination Type—SOLDER—
Total Number of Contacts—3—
UL Flammability Code—94V-0—
Family——4000/14000/40000
Load Capacitance (CL)——50 pF
Logic IC Type——INVERTER
Max I(ol)——0.0068 A
Number of Inputs——1
Packing Method——TUBE
Power Supply Current-Max (ICC)——0.15 mA
Prop. Delay@Nom-Sup——110 ns
Propagation Delay (tpd)——110 ns
Schmitt Trigger——NO
## CD4069UBE Alternates Showing results——Image

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.