| PartNumber | AT24CS04-SSHM-T | AT24CS04-STUM-T | AT24CS04-SSHM-B |
| Description | EEPROM 4-Kbit Serial EEPROM | EEPROM SERIAL EEPROM, 4K 2-WIRE-5 SOT23 | EEPROM S/N SEEPROM 4K I2C1MHz 8-SOIC-N |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | EEPROM | EEPROM | EEPROM |
| RoHS | Y | N | Y |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOIC-8 | SOT-23-5 | SOIC-8 |
| Memory Size | 4 kbit | 4 kbit | - |
| Organization | 512 x 8 | 512 x 8 | - |
| Interface Type | Serial, 2-Wire, I2C | Serial, 2-Wire, I2C | - |
| Data Retention | 100 Year | 100 Year | - |
| Maximum Clock Frequency | 1 MHz | 1 MHz | - |
| Supply Current Max | 3 mA | 3 mA | - |
| Supply Voltage Min | 1.7 V | 1.7 V | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Reel | Reel | Tube |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Operating Supply Voltage | 1.7 V to 5.5 V | 1.7 V to 5.5 V | - |
| Product Type | EEPROM | EEPROM | EEPROM |
| Factory Pack Quantity | 4000 | 5000 | 100 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Unit Weight | 0.019048 oz | 0.000222 oz | - |