| Part Number | AT93C56AY1-10YI-1.8 | AT93C56AY1-10YU-1.8 | 
|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | 
| Category | Memory | Memory | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Memory Type | Non-Volatile | Non-Volatile | 
| Memory Format | EEPROM | EEPROM | 
| Technology | EEPROM | EEPROM | 
| Memory Size | 2Kb (256 x 8, 128 x 16) | 2Kb (256 x 8, 128 x 16) | 
| Memory Interface | SPI | SPI | 
| Clock Frequency | 2 MHz | 2 MHz | 
| Write Cycle Time - Word, Page | 10ms | 10ms | 
| Access Time | - | - | 
| Voltage - Supply | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 8-VDFN Exposed Pad | 8-VDFN Exposed Pad | 
| Supplier Device Package | 8-MAP (3x4.9) | 8-MAP (3x4.9) |