MAX808N
8-Pin µP Supervisory Circuits with ±1.5% Reset Accuracy
1.5% Accurate Reset ICs with Battery-Backup
Part Details
- Precision Voltage Monitoring, ±1.5% Reset Accuracy
- 200ms Power-OK/Reset Time Delay
- Active-low RESET Output (MAX808)
- RESET and active-low RESET Outputs (MAX801)
- Watchdog Timer (MAX801)
- On-Board Gating of Chip-Enable Signals (MAX808):
- Memory Write-Cycle Completion
- 3ns CE Gate Propagation Delay
- 1µA Standby Current
- Power Switching:
- 250mA in VCC Mode
- 20mA in Battery-Backup Mode
- MaxCap™/SuperCap™ Compatible
- Active-low RESET Guaranteed Valid to VCC = 1V
- Low-Line Threshold 52mV Above Reset Threshold
The MAX801/MAX808 microprocessor (µP) supervisory circuits monitor and control the activities of +5V µPs by providing backup-battery switchover, low-line indication, and µP reset. Additional features include a watchdog for the MAX801 and CMOS RAM write protection for the MAX808.
The MAX801/MAX808 offer a choice of reset-threshold voltage (denoted by suffix letter): 4.675V (L), 4.575V (N), and 4.425V (M). These devices are available in 8-pin DIP and SO packages.
Applications
- Computers: Desktop, Workstation, Server
- Controllers
- Critical µP Monitoring
- Embedded Systems
- Intelligent Instruments
- Portable Battery-Powered Equipment
Hardware Ecosystem
| Parts | Product Life Cycle | Description |
|---|---|---|
| Battery Backup IC 1 | ||
| MAX807 | PRODUCTION | Full-Featured µP Supervisory Circuit with ±1.5% Reset Accuracy |
| Single-Supply Monitors 3 | ||
| MAX814 | PRODUCTION | ±1% Accuracy, Low-Power, +3V and +5V µP Supervisory Circuits |
| MAX815 | PRODUCTION | ±1% Accuracy, Low-Power, +3V and +5V µP Supervisory Circuits |
| MAX816 | PRODUCTION | ±1% Accuracy, Low-Power, +3V and +5V µP Supervisory Circuits |
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