onsemi CAT24C21WI EEPROM
EEPROM Memory IC 1Kbit I2C 400 kHz 1 µs 8-SOIC
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
CAT24C21WI
Detailed Description
IC 128 X 8 I2C/2-WIRE SERIAL EEPROM, PDSO8, LEAD AND HALOGEN FREE, SOIC-8, Programmable ROM
Package
SOIC
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
CAT24C21WI Datasheet
Quick Jump:
Technical Specifications
onsemi CAT24C21WI EEPROM technical specifications.
General
Interface
I2C, Serial
Memory Size
1Kb
RoHS
Yes
Package / Case
SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
5V
Lifecycle Status
Obsolete
Access Time
1000ns
Access Time Max
1000ns
Related Parts Comparison (CAT24C21WI vs CAT24WC02W vs CAT93C46VI-TE13 vs CAT93C86VI)
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) | -40°C ~ 85°C (TA) |
| Supply Voltage | 5V | 2.5 V ~ 5.5 V | 5V | 1.8V ~ 5.5V |
| Memory Size | 1Kb | 256 B | 1Kb | 16Kb |
| Interface | I2C, Serial | 2-Wire | MICROWIRE | MICROWIRE, Serial |
| RoHS | Yes | Compliant | Yes | Yes |
| Max Frequency | 400kHz | 100 kHz | 1MHz | 500kHz |
| Package | 8-SOIC (0.154", 3.90mm Width) | SOIC | 8-SOIC | 8-SOIC |
| Package / Case | SOIC | -- | SOIC | SOIC |
| Lifecycle Status | Obsolete | -- | Obsolete | Active |
| Access Time | 1000ns | 10 ms | 250 ns | -- |
| Clock Frequency | 400 kHz | -- | 2 MHz | 3 MHz |
| Action |
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