® SP691A/693A/800L/800M
Low Power Microprocessor Supervisory with Battery Switch-Over
FEATURES
■ Precision 4.
65V/4.
40V
Voltage Monitoring
■ 200ms Or Adjustable Reset Time
■ 100ms, 1.
6s Or Adjustable Watchdog Time
■ 60µA Maximum Operating Supply Current ■ 2.
0µA Maximum Battery Backup Current ■ 0.
1µA Maximum Battery Standby Current ■ Power Switching
250mA Output in Vcc Mode (0.
6Ω) 25mA Output in Battery Mode (5Ω) ■ On-Board Gating of Chip-Enable Signals Memory Write-Cycle Completion 6ns CE Gate Propagation Delay
■
Voltage Monitor for Power-Fail or Low Battery
■ Backup-Battery Monitor
■ RESET Valid to Vcc=1V
■ 1% Accuracy Guaranteed (SP800L/800M)
■ Pin Compatible Upgrade to MAX691A/693A/ 800L...