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| PartNumber | AT25640-10PC | AT256 | AT25640 |
| Description | EEPROM 64K (8Kx8) 5V | ||
| Manufacturer | Microchip | - | Atmel |
| Product Category | EEPROM | - | Memory |
| RoHS | N | - | - |
| Mounting Style | Through Hole | - | - |
| Package / Case | PDIP-8 | - | - |
| Memory Size | 64 kbit | - | 64K (8K x 8) |
| Organization | 8 k x 8 | - | - |
| Interface Type | Serial, 4-Wire, SDI, SPI | - | - |
| Access Time | 133 ns | - | - |
| Data Retention | 100 Year | - | - |
| Maximum Clock Frequency | 3 MHz | - | - |
| Supply Current Max | 5 mA | - | - |
| Supply Voltage Min | 4.5 V | - | - |
| Supply Voltage Max | 5.5 V | - | - |
| Minimum Operating Temperature | 0 C | - | - |
| Maximum Operating Temperature | + 70 C | - | - |
| Height | 3.3 mm | - | - |
| Length | 10.16 mm (Max) | - | - |
| Width | 6.35 mm | - | - |
| Brand | Microchip Technology / Atmel | - | - |
| Operating Supply Current | 5 mA | - | - |
| Operating Supply Voltage | 5 V | - | - |
| Product Type | EEPROM | - | - |
| Subcategory | Memory & Data Storage | - | - |
| Unit Weight | 0.032805 oz | - | - |
| Series | - | - | - |
| Packaging | - | - | Tube |
| Package Case | - | - | 8-DIP (0.300", 7.62mm) |
| Operating Temperature | - | - | -40°C ~ 85°C (TA) |
| Interface | - | - | SPI Serial |
| Voltage Supply | - | - | 1.8 V ~ 3.6 V |
| Supplier Device Package | - | - | 8-PDIP |
| Memory Type | - | - | EEPROM |
| Speed | - | - | 500kHz, 2.1MHz, 3MHz |
| Format Memory | - | - | EEPROMs - Serial |