| PartNumber | ATECC508A-MAHCZ-T | ATECC508A-MAHCZ-S | ATECC508A-MAHAW-S |
| Description | Security ICs / Authentication ICs ECDH/ECC 10Kb 8ld UDFN SWI, T&R | Security ICs / Authentication ICs 8ld UDFN Generic SWI, 3K T&R | Security ICs / Authentication ICs ECC 10Kb, I2C 8-UDFN, T&R |
| 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 |
| Supply Voltage Max | 5.5 V | - | 5.5 V |
| Supply Voltage Min | 2 V | - | 2 V |
| Minimum Operating Temperature | - 40 C | - | - 40 C |
| Maximum Operating Temperature | + 85 C | - | + 85 C |
| Mounting Style | SMD/SMT | - | SMD/SMT |
| Package / Case | UDFN-8 | - | UDFN-8 |
| Packaging | Reel | Reel | Reel |
| Data Rate | 1 Mb/s | - | - |
| Memory Type | EEPROM | - | - |
| Series | ATECC508A | ATECC508A | ATECC508A |
| Type | Network Controller & Processor | - | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Interface Type | 1-Wire | - | I2C |
| Supply Current Max | 16 mA | - | 16 mA |
| Maximum Clock Frequency | 1 MHz | - | 1 MHz |
| Operating Supply Current | 3 mA | - | 3 mA |
| Product Type | Security ICs / Authentication ICs | Security ICs / Authentication ICs | Security ICs / Authentication ICs |
| Factory Pack Quantity | 15000 | 3000 | 3000 |
| Subcategory | Security ICs / Authentication ICs | Security ICs / Authentication ICs | Security ICs / Authentication ICs |
| Unit Weight | 0.000335 oz | - | 0.000300 oz |
| Memory Size | - | - | 10 kB |
| Operating Supply Voltage | - | - | 2 V to 5.5 V |