onsemi CAT24C21LI EEPROM
EEPROM Memory IC 1Kbit I2C 400 kHz 1 µs 8-PDIP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
CAT24C21LI
Detailed Description
1Kb I2C EEPROM, 128x8, 400kHz, PDIP-8
Package
DIP
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
CAT24C21LI Datasheet
Quick Jump:
Technical Specifications
onsemi CAT24C21LI EEPROM technical specifications.
General
Interface
Serial-I2C
Memory Size
1K
RoHS
Compliant
Number of Pins
8
Package / Case
8-DIP
Mounting Type
Through Hole
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
3.3/5
Lifecycle Status
Active
Automotive
No
Alternate Parts Comparison (CAT24C21LI vs CAT24C32LI-G vs CAT25128LI-G vs CAT25160LI-G)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 3.3/5 | 1.8/2.5/3.3/5 | 2.5/3.3/5 | 2.5/3.3/5 |
| Memory Size | 1K | 32K | 128K | 16K |
| Interface | Serial-I2C | Serial-I2C | Serial-SPI | Serial-SPI |
| Number of Pins | 8 | 8 | 8 | 8 |
| RoHS | Compliant | Compliant | Compliant | Compliant |
| Lifecycle Status | Active | Obsolete | Obsolete | Obsolete |
| Automotive | No | No | No | No |
| Data Retention | 100(Min) | 100(Min) | 100(Min) | 100(Min) |
| Hardware Data Protection | Yes | Yes | Yes | Yes |
| Lead Shape | Through Hole | Through Hole | Through Hole | Through Hole |
| Action |
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.