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
LifecycleACTIVEACTIVEACTIVEOBSOLETEACTIVE
Electrical Parameters
Pbfree CodeYesYesNoNoNo
Manufacturer Package CodeSOIC-8PDIP-40HCP-24-2HCP-24-2HCP-32-1
Factory Lead Time7 Weeks6 Weeks
YTEOL14141009
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-G8R-PDIP-T40S-PQCC-N24
JESD-609 Codee4e3e3e3
Memory Density131072 bit
Memory IC TypeEEPROM
Memory Width8
Number of Functions11
Number of Ports1
Number of Words16384 words
Number of Words Code16000
Operating ModeSYNCHRONOUS
Organization16KX8
Output Characteristics3-STATE
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeSOP8,.23DIP40,.6LCC24,.16SQ,20LCC24,.16SQ,20LCC32,.2SQ,20
Package ShapeRECTANGULARRECTANGULARSQUARE
Package StyleSMALL OUTLINEIN-LINECHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Parallel/SerialSERIAL
Peak Reflow Temperature (Cel)260260
Programming Voltage5 V
Qualification StatusNot QualifiedNot QualifiedNot Qualified
Screening LevelTS 16949
Serial Bus TypeSPI
Standby Current-Max0.000005 A
Supply Current-Max0.01 mA29 mA240 mA
Supply Voltage-Max (Vsup)5.5 V3.5 V
Supply Voltage-Min (Vsup)4.5 V2.7 V
Supply Voltage-Nom (Vsup)5 V3.3 V
Surface MountYESNOYESYESYES
TechnologyCMOSCMOS
Temperature GradeINDUSTRIALINDUSTRIALINDUSTRIAL
Terminal FinishNickel/Palladium/Gold (Ni/Pd/Au)Matte Tin (Sn)Matte Tin (Sn)Matte Tin (Sn)
Terminal FormGULL WINGTHROUGH-HOLENO LEAD
Terminal Pitch1.27 mm2.54 mm0.5 mm
Terminal PositionDUALDUALQUAD
Time@Peak Reflow Temperature-Max (s)4030
Write Cycle Time-Max (tWC)5 ms
Write ProtectionHARDWARE/SOFTWARE
## AT25128B-SSHL-B Alternates Showing resultsImage
Has ADCNO
Address Bus Width16
Bit Size8
Boundary ScanNO
CPU Family8051
Clock Frequency-Max40 MHz
DAC ChannelsNO
DMA ChannelsNO
External Data Bus Width8
FormatFIXED POINT
Integrated CacheNO
Low Power ModeYES
Number of External Interrupts2
Number of I/O Lines32
Number of Serial I/Os1
Number of Timers3
On Chip Data RAM Width8
On Chip Program ROM Width8
PWM ChannelsYES
RAM (bytes)1280
ROM (words)32768
ROM ProgrammabilityFLASH
Speed40 MHz
Supply Voltage-Max5.5 V
Supply Voltage-Min5 V
Supply Voltage-Nom5 V3 V5 V
uPs/uCs/Peripheral ICs TypeMICROCONTROLLER
Control Voltage-Max10 V13 V
Modulation Sensitivity-1 MHz/V30 MHz/V
Mounting FeatureSURFACE MOUNTSURFACE MOUNT
Offset Frequency100 kHz100 kHz
Operating Frequency-Max3000 MHz10200 MHz
Operating Frequency-Min2750 MHz8600 MHz
Oscillator TypeVOLTAGE CONTROLLED OSCILLATORVOLTAGE CONTROLLED OSCILLATOR
Output Power4.5 dBm22 dBm
Phase Noise-114 dBc/Hz-100 dBc/Hz
Physical Dimension4.1mm x 4.1mm x 1.0mm5.1mm x 5.1mm x 1.0mm
## HMC416LP4E Alternates Showing resultsImage
Analog IC - Other TypePHASE LOCKED LOOP
Supply Current-Max (Isup)95 mA
## HMC703LP4E Alternates Showing resultsImage
Control Voltage-Min1 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.