AT25128B-SSHL-BAlternatives & Equivalent Parts

About AT25128B-SSHL-B

AT25128B-SSHL-B 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

ParameterAT25128B-SSHL-BSourceAT89C51RD2-RLTIMAT89C51RC2-3CSUMHMC416LP4EHMC703LP4EHMC734LP5TR
ManufacturerMicrochipMicrochipMicrochipAnalog DevicesAnalog DevicesAnalog Devices
Package TypeSmall Outline PackagesQuad Flat PackagesDual-In-Line PackagesQuad Flat No-LeadQuad Flat No-LeadQuad Flat No-Lead
Pin Count84440242432
Temperature Range-40.0°C ~ 85.0°C—-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C
Price$0.5470$4.8750$6.0100$11.2200$17.4403$47.9400
StockIn StockIn StockIn StockIn StockIn StockIn Stock
LifecycleACTIVE—ACTIVEACTIVEOBSOLETEACTIVE
Electrical Parameters
Pbfree CodeYes—YesNoNoNo
Manufacturer Package CodeSOIC-8—PDIP-40HCP-24-2HCP-24-2HCP-32-1
Factory Lead Time7 Weeks—6 Weeks———
YTEOL14—141009
Additional FeatureALSO OPERATES AT 2.5V TO 5.5V @10MHZ AND 1.8V TO 5.5V @5MHZ—————
Clock Frequency-Max (fCLK)20 MHz—————
Data Retention Time-Min100—————
Endurance1000000 Write/Erase Cycles—————
JESD-30 CodeR-PDSO-G8—R-PDIP-T40—S-PQCC-N24—
JESD-609 Codee4—e3e3e3—
Memory Density131072 bit—————
Memory IC TypeEEPROM—————
Memory Width8—————
Number of Functions1———1—
Number of Ports1—————
Number of Words16384 words—————
Number of Words Code16000—————
Operating ModeSYNCHRONOUS—————
Organization16KX8—————
Output Characteristics3-STATE—————
Package Body MaterialPLASTIC/EPOXY—PLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeSOP8,.23—DIP40,.6LCC24,.16SQ,20LCC24,.16SQ,20LCC32,.2SQ,20
Package ShapeRECTANGULAR—RECTANGULAR—SQUARE—
Package StyleSMALL OUTLINE—IN-LINE—CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE—
Parallel/SerialSERIAL—————
Peak Reflow Temperature (Cel)260———260—
Programming Voltage5 V—————
Qualification StatusNot Qualified—Not Qualified—Not Qualified—
Screening LevelTS 16949—————
Serial Bus TypeSPI—————
Standby Current-Max0.000005 A—————
Supply Current-Max0.01 mA—29 mA——240 mA
Supply Voltage-Max (Vsup)5.5 V———3.5 V—
Supply Voltage-Min (Vsup)4.5 V———2.7 V—
Supply Voltage-Nom (Vsup)5 V———3.3 V—
Surface MountYES—NOYESYESYES
TechnologyCMOS—CMOS———
Temperature GradeINDUSTRIAL—INDUSTRIAL—INDUSTRIAL—
Terminal FinishNickel/Palladium/Gold (Ni/Pd/Au)—Matte Tin (Sn)Matte Tin (Sn)Matte Tin (Sn)—
Terminal FormGULL WING—THROUGH-HOLE—NO LEAD—
Terminal Pitch1.27 mm—2.54 mm—0.5 mm—
Terminal PositionDUAL—DUAL—QUAD—
Time@Peak Reflow Temperature-Max (s)40———30—
Write Cycle Time-Max (tWC)5 ms—————
Write ProtectionHARDWARE/SOFTWARE—————
## AT25128B-SSHL-B Alternates Showing resultsImage—————
Has ADC——NO———
Address Bus Width——16———
Bit Size——8———
Boundary Scan——NO———
CPU Family——8051———
Clock Frequency-Max——40 MHz———
DAC Channels——NO———
DMA Channels——NO———
External Data Bus Width——8———
Format——FIXED POINT———
Integrated Cache——NO———
Low Power Mode——YES———
Number of External Interrupts——2———
Number of I/O Lines——32———
Number of Serial I/Os——1———
Number of Timers——3———
On Chip Data RAM Width——8———
On Chip Program ROM Width——8———
PWM Channels——YES———
RAM (bytes)——1280———
ROM (words)——32768———
ROM Programmability——FLASH———
Speed——40 MHz———
Supply Voltage-Max——5.5 V———
Supply Voltage-Min——5 V———
Supply Voltage-Nom——5 V3 V—5 V
uPs/uCs/Peripheral ICs Type——MICROCONTROLLER———
Control Voltage-Max———10 V—13 V
Modulation Sensitivity———-1 MHz/V—30 MHz/V
Mounting Feature———SURFACE MOUNT—SURFACE MOUNT
Offset Frequency———100 kHz—100 kHz
Operating Frequency-Max———3000 MHz—10200 MHz
Operating Frequency-Min———2750 MHz—8600 MHz
Oscillator Type———VOLTAGE CONTROLLED OSCILLATOR—VOLTAGE CONTROLLED OSCILLATOR
Output Power———4.5 dBm—22 dBm
Phase Noise———-114 dBc/Hz—-100 dBc/Hz
Physical Dimension———4.1mm x 4.1mm x 1.0mm—5.1mm x 5.1mm x 1.0mm
## HMC416LP4E Alternates Showing results———Image——
Analog IC - Other Type————PHASE LOCKED LOOP—
Supply Current-Max (Isup)————95 mA—
## HMC703LP4E Alternates Showing results————Image—
Control Voltage-Min—————1 V

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

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Get one quote covering all 5 alternatives for AT25128B-SSHL-B — response within 24 hours.

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Why Look for Alternatives?

Finding alternatives for AT25128B-SSHL-B 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 AT25128B-SSHL-B 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 AT25128B-SSHL-B?

Known equivalents for AT25128B-SSHL-B include AT89C51RD2-RLTIM, AT89C51RC2-3CSUM, HMC416LP4E. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of AT25128B-SSHL-B?

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 AT25128B-SSHL-B 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.