| PartNumber | AT24CS04-MAHM-E | AT24CS04-MAHM-T | AT24CS04-SSHM-B |
| Description | EEPROM 1.7-5.5V, 1MHz, Ind Tmp, 8-UDFN | EEPROM SERIAL EEPROM, 4K 2-WIRE-8 UDFN | EEPROM S/N SEEPROM 4K I2C1MHz 8-SOIC-N |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | EEPROM | EEPROM | EEPROM |
| RoHS | Y | N | Y |
| Package / Case | UDFN-8 | UDFN-8 | SOIC-8 |
| Packaging | Reel | Reel | Tube |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Product Type | EEPROM | EEPROM | EEPROM |
| Factory Pack Quantity | 15000 | 5000 | 100 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Mounting Style | - | SMD/SMT | - |
| Memory Size | - | 4 kbit | - |
| Organization | - | 512 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 | - |
| Operating Supply Voltage | - | 1.7 V to 5.5 V | - |
| Unit Weight | - | 0.000335 oz | - |