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| Part Number | 24LC21A-I/P | 24LC22A-I/P | 24LC21-I/P |
|---|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology |
| Product Status | Active | Active | Active |
| Memory Type | Non-Volatile | Non-Volatile | Non-Volatile |
| Memory Format | EEPROM | EEPROM | EEPROM |
| Technology | EEPROM | EEPROM | EEPROM |
| Memory Size | 1Kb (128 x 8) | 2Kb (256 x 8) | 1Kb (128 x 8) |
| Memory Interface | I²C | I²C | I²C |
| Clock Frequency | 400 kHz | 400 kHz | 400 kHz |
| Write Cycle Time - Word, Page | 10ms | 10ms | 10ms |
| Access Time | 900 ns | 900 ns | 900 ns |
| Voltage - Supply | 2.5V ~ 5.5V | 2.5V ~ 5.5V | 2.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Package / Case | 8-DIP (0.300", 7.62mm) | 8-DIP (0.300", 7.62mm) | 8-DIP (0.300", 7.62mm) |
| Supplier Device Package | 8-PDIP | 8-PDIP | 8-PDIP |
