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| PartNumber | AT24MAC402-MAHM-T | AT24MAC402-MAHM-E | AT24MAC402-SSHM |
| Description | EEPROM SERIAL EEPROM, 2K 2-WIRE-8 UDFN | EEPROM MAC-48 SEEPROM, 2K, I2C - 1.7-5.5V, 1MHz, Ind Tmp, 8-UDFN | |
| Manufacturer | Microchip | Microchip | Atmel |
| Product Category | EEPROM | EEPROM | Memory |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | UDFN-8 | UDFN-8 | - |
| Memory Size | 2 kbit | - | 2K (256 x 8) |
| Organization | 256 x 8 | - | - |
| Interface Type | Serial, 2-Wire, I2C | - | - |
| Data Retention | 100 Year | - | - |
| Maximum Clock Frequency | 1 MHz | - | - |
| Supply Current Max | 3 mA | - | - |
| Supply Voltage Min | 1.7 V | - | - |
| Supply Voltage Max | 5.5 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Reel | - | Tube Alternate Packaging |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | - |
| Operating Supply Voltage | 1.7 V to 5.5 V | - | - |
| Product Type | EEPROM | EEPROM | - |
| Factory Pack Quantity | 5000 | 15000 | - |
| Subcategory | Memory & Data Storage | Memory & Data Storage | - |
| Unit Weight | 0.000335 oz | - | - |
| Series | - | - | - |
| Package Case | - | - | 8-SOIC (0.154", 3.90mm Width) |
| Operating Temperature | - | - | -40°C ~ 85°C (TA) |
| Interface | - | - | I2C, 2-Wire Serial |
| Voltage Supply | - | - | 1.7 V ~ 5.5 V |
| Supplier Device Package | - | - | 8-SOIC |
| Memory Type | - | - | EEPROM |
| Speed | - | - | 400kHz, 1MHz |
| Format Memory | - | - | EEPROMs - Serial (with MAC Address) |