| Part Number | AT24C04D-PUM | AT24C08D-PUM | 
|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | 
| Category | Memory | Memory | 
|   |   | |
| Product Status | Active | Active | 
| Memory Type | Non-Volatile | Non-Volatile | 
| Memory Format | EEPROM | EEPROM | 
| Technology | EEPROM | EEPROM | 
| Memory Size | 4Kb (512 x 8) | 8Kb (1K x 8) | 
| Memory Interface | I²C | I²C | 
| Clock Frequency | 1 MHz | 1 MHz | 
| Write Cycle Time - Word, Page | 5ms | 5ms | 
| Access Time | 450 ns | 4.5 µs | 
| Voltage - Supply | 1.7V ~ 3.6V | 1.7V ~ 3.6V | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TC) | 
| Mounting Type | Through Hole | Through Hole | 
| Package / Case | 8-DIP (0.300", 7.62mm) | 8-DIP (0.300", 7.62mm) | 
| Supplier Device Package | 8-PDIP | 8-PDIP |