CryptoAuthentication™ with 32 Kbit EEPROM — I2C bus fit
The ATAES132A-SHER-B is an Authentication Chip in Microchip's CryptoAuthentication™ series, combining a 32 Kbit EEPROM with a hardware cryptographic engine accessible over an I2C interface at up to 1 MHz. The 32 Kbit memory holds keys, certificates, or configuration data alongside the secure authentication logic — the I2C bus speed of 1 MHz means it keeps up with a fast host controller without stalling the transaction.
8-SOIC package — board integration and supply rails
Surface-mount assembly with tube delivery suits medium-volume production; the 8-SOIC outline is compatible with common pick-and-place nozzles and reflow profiles.
Active lifecycle — no design-in risk
The ROHS3 compliance covers the current regulatory requirements for EU and most global markets; no additional exemption documentation is needed for standard commercial use.
Target applications — networking and communications gear
The part is catalogued for Networking and Communications applications — think authenticated firmware updates, secure boot, or key storage in routers, switches, and IoT gateways where the I2C bus is already present.