The CAT24C21JI is an 8-bit EEPROM IC with 128 words of memory. It operates from a supply voltage of 2.5 to 5.5V and has a maximum clock frequency of 0.4 MHz. The device is available in a 3.9mm x 4.9mm SOIC-8 package and is rated for industrial temperature operation from -40 to 85°C.
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Onsemi CAT24C21JI technical specifications.
| Max Operating Temperature | 85 |
| Number of Terminals | 8 |
| Min Operating Temperature | -40 |
| Terminal Position | DUAL |
| JEDEC Package Code | R-PDSO-G8 |
| Width | 3.9 |
| Length | 4.9 |
| Pin Count | 8 |
| Number of Functions | 1 |
| Temperature Grade | INDUSTRIAL |
| Supply Voltage-Nom (Vsup) | 3 |
| Supply Voltage-Max (Vsup) | 5.5 |
| Supply Voltage-Min (Vsup) | 2.5 |
| Number of Words | 128 |
| Number of Words Code | 128 |
| Memory IC Type | EEPROM |
| Parallel/Serial | SERIAL |
| Clock Frequency-Max (fCLK) | 0.4 |
| RoHS | No |
| Eccn Code | EAR99 |
| Lead Free | No |
| HTS Code | 8542.32.00.51 |
| REACH | Compliant |
| Military Spec | False |
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