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onsemi CAT24C128WI-G Memory Integrated Circuit

EEPROM Memory IC 128Kbit I2C 1 MHz 400 ns 8-SOIC

747 Activeonsemi8-SOIC (0.154", 3.90mm Width)$0.40RoHS
CAT24C128WI-G 8-SOIC (0.154", 3.90mm Width) package illustration

Same model may have multiple batches, images only for reference.

CAT24C128WI-G
Manufacturer
Part Number (MPN)
CAT24C128WI-G
Detailed Description
IC EEPROM 128KBIT I2C 1MHZ 8SOIC
Package
8-SOIC (0.154", 3.90mm Width)
Key Features
Package / Case: 8-SOIC (0.154", 3.90mm Width); Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
PDF CAT24C128WI-G Datasheet
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Technical Specifications

onsemi CAT24C128WI-G Memory Integrated Circuit technical specifications.

General

Series
CAT24C128
Interface
Serial-I2C
Memory Size
128Kb (16K x 8)
Maximum Clock Frequency
400 kHz
Active Read Current Max
3 mA
RoHS
Compliant
Number of Pins
8
Package / Case
8-SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)

Related Parts Comparison (CAT24C128WI-G vs CAT24C02WI-GT3JN vs CAT25020VI-GT3JN vs CAT25020VI-GT3)

Side-by-side specifications of related catalog parts.

Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.

This PartRelated PartRelated PartRelated Part
Package / Case8-SOIC8-SOIC8-SOIC8-SOIC
Mounting TypeSurface MountSurface MountSurface MountSurface Mount
Operating Temperature-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)
Supply Voltage1.8V ~ 5.5V1.7V ~ 5.5V1.8V ~ 5.5V1.8V ~ 5.5V
Memory Size128Kb (16K x 8)2Kb (256 x 8)2Kb (256 x 8)2Kb (256 x 8)
RoHSCompliantCompliantCompliantCompliant
Lifecycle StatusActiveObsoleteObsoleteActive
Max Frequency1 MHz400 kHz10MHz10
Memory FormatEEPROMEEPROMEEPROMEEPROM
Memory InterfaceI²CI²CSPISPI
Memory Organization16K x 8256 x 8256 x 8256 x 8
Memory TypeNon-VolatileNon-VolatileNon-VolatileNon-Volatile
Action

Cross Reference

Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .

Suggested replacements

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Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.