onsemi CAT24C256WI-G EEPROM
EEPROM Memory IC 256Kbit I2C 1 MHz 500 ns 8-SOIC
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
CAT24C256WI-G
Detailed Description
256Kb EEPROM, I2C Serial, SOIC, 5.5V, 400kHz
Package
SOIC
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
CAT24C256WI-G Datasheet
Quick Jump:
Technical Specifications
onsemi CAT24C256WI-G EEPROM technical specifications.
General
Series
CAT24C256
Interface
I2C, Serial
Memory Size
256Kb
Maximum Clock Frequency
100 kHz
Active Read Current Max
1 mA
RoHS
Yes
Package / Case
SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
5V
Related Parts Comparison (CAT24C256WI-G vs CAT24WC02W vs CAT93C46VI-TE13 vs CAT25C08V)
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 Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Mounting Type | Surface Mount | SMD (SMT) | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | 0 °C ~ 70 °C | -40°C ~ 85°C (TA) | 0°C ~ 70°C (TA) |
| Supply Voltage | 5V | 2.5 V ~ 5.5 V | 5V | 5V |
| Memory Size | 256Kb | 256 B | 1Kb | 8Kb |
| Interface | I2C, Serial | 2-Wire | MICROWIRE | SPI |
| RoHS | Yes | Compliant | Yes | Yes |
| Access Time | 500ns | 10 ms | 250 ns | 75ns |
| Max Frequency | 100kHz | 100 kHz | 1MHz | 5MHz |
| Package | SOIC-8 | SOIC | 8-SOIC | 8-SOIC (0.154", 3.90mm Width) |
| Package / Case | SOIC | -- | SOIC | SOIC |
| Lifecycle Status | Active | -- | Obsolete | Obsolete |
| Clock Frequency | 1 MHz | -- | 2 MHz | 10 MHz |
| 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
CAT24C256WI-GT3onsemiDirectonsemi
Pin YesPkg YesElec Yes
256Kb EEPROM, I2C Serial, SOIC-8, 500ns Access
More Parts in EEPROM
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.