SP691AEN-L Datasheet PDF - Exar Corporation

●The SP691AEN-L is a low-power Microprocessor Supervisory with battery switch-over. The Microprocessor (µP) Supervisory Circuit integrates a myriad of components involved in discrete solutions to monitor power-supply and battery-control functions in µP and digital systems. It offers complete µP monitoring and watchdog functions. The 6ns chip-enable propagation delay, the 25mA current output in battery-backup mode and the 250mA current output in standard operation also makes the SP691A suitable for larger scale and high-performance equipment.

● On-board gating of chip-enable signals

● Memory write-cycle completion

● Voltage monitor for power-fail or low-battery warning

● Backup-battery monitor

● RESET\ valid to VCC= 1V

● Pin-compatible upgrade to MAX691A/693A

● Power switching - 250mA Output in VCC mode (0.6R) and 25mA output in battery mode (5R)

● 6ns CE gate propagation delay

● 100ms, 1.6s or adjustable Watchdog timer

● 60µA Maximum operating supply current

● 2µA Maximum battery backup current

● 0.1µA Maximum battery standby current