ATSHA206A
Overview
- Consumable Authentication Device
- Superior SHA-256 Hash Algorithm with 256-bit Keys
- 248-byte EEPROM for Configuration, Keys and Data: - Data zone: 5 slots of 32 bytes each - Configuration zone: 88 bytes for counting, locks and serial number
- Data Zone Features: - ParentKey slot - DerivedKey slot - Three dedicated storage slots
- High-Speed, Single-Wire Interface with Parasitic Power
- On-Die Integrated Bypass Capacitor to Allow for Parasitic Power Operation
- 1,024 Maximum Uses (Device Can Be Configured for a Lesser Amount)
- 2.0V to 4.5V Supply Voltage Range
- <150 nA Sleep Current
- Packaging Solutions: - 2-Pad VSFN contact package for mechanical attachment without PCB - 8-Pad UDFN for prototyping and early development - 4-Ball WLCSP, 2 x 2 Grid with a 0.4 mm ball pitch (contact Microchip Sales for more information)
