Low-power secure supervisor debuts with 64-bytes of memory

Sunnyvale, Calif.—Maxim Integrated Products has introduced the DS3655, a secure battery-backup controller and supervisor with temperature and voltage monitoring.

According to Maxim, this is the industry's only ultra-low-power single-chip device to integrate a battery-backup controller, system power monitor, CPU supervisor, elapsed-time counter, temperature sensor, and tamper-detection comparator inputs. The high integration and advanced security features of the DS3655 make it well-suited for point-of-sale (POS) terminals, the payment card industry (PCI), software-defined radios (SDRs), and other equipment in which data protection and security is critical.

The DS3655 has tamper-detection comparator inputs that interface with and provide continuous, ultra-low-power monitoring of resistive antitamper meshes, external sensors, and digital interlocks. This secure supervisor constantly monitors primary power; in the event of failure, an external battery power source is automatically switched in to keep the device and external circuitry alive. The DS3655 also constantly monitors battery voltage and initiates a tamper response when the battery voltage becomes abnormal.

Datasheet: Click here.

Maxim Integrated Products,

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