The DS3644 is a highly integrated, encryption-key supervisor designed to address the circuit requirements for the storage of sensitive data, as well as for the physical tamper-sensing-response functions utilized in high-end cryptographic processors and related data security equipment.
Key Features
1kB Battery-Backed Key Memory with High-Speed Erase
Segmented Tamper-Detection Hierarchy with Programmable Tamper Event Sources
Very Low Standby Current
Controls External SRAM for Battery-Backup Operation and Optional Tamper Event Erase
Programmable Power Consumption
On-Chip, NIST FIPS 140-2 Compliant Random Number Generator
