| PartNumber | ATSHA204A-MAHCZ-S | ATSHA204A-MAHDA-S | ATSHA204A-MAHCZ-T |
| Description | Security ICs / Authentication ICs SHA256, 1-WIRE, 8-UDFN, 3K REEL | Security ICs / Authentication ICs SHA256, I2C, 8-UDFN, 3K REEL | Security ICs / Authentication ICs CryptAuthEE SHA256 SWI |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | Security ICs / Authentication ICs | Security ICs / Authentication ICs | Security ICs / Authentication ICs |
| RoHS | Y | Y | Y |
| Data Bus Width | 72 bit | 72 bit | 72 bit |
| Package / Case | UDFN-8 | UDFN-8 | UDFN-8 |
| Packaging | Reel | Reel | Reel |
| Series | ATSHA204 | ATSHA204 | ATSHA204 |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Product Type | Security ICs / Authentication ICs | Security ICs / Authentication ICs | Security ICs / Authentication ICs |
| Factory Pack Quantity | 3000 | 3000 | 15000 |
| Subcategory | Security ICs / Authentication ICs | Security ICs / Authentication ICs | Security ICs / Authentication ICs |
| Unit Weight | - | 0.000339 oz | 0.000335 oz |
| Minimum Operating Temperature | - | - | - 40 C |
| Maximum Operating Temperature | - | - | + 85 C |
| Mounting Style | - | - | SMD/SMT |
| Operating Supply Voltage | - | - | 2 V to 5.5 V |