MAX691A
MAX691A
PRODUCTIONMicroprocessor Supervisory Circuits
Industry-Standard, Full-Function µP Supervisor
- Part Models
- 16
- 1ku List Price
- Starting From $5.34
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Overview
- 200ms Power-OK/Reset Timeout Period
- 1µA Standby Current, 30µA Operating Current
- On-Board Gating of Chip-Enable Signals, 10ns max Delay
- MaxCap® or SuperCap Compatible
- Guaranteed Active-Low RESET Assertion to VCC = +1V
- Voltage Monitor for Power-Fail or Low-Battery Warning
- Power-Fail Accuracy Guaranteed to ±2% (MAX800L/M)
- Available in 16-Pin Narrow SO, Plastic DIP, and TSSOP Packages
The MAX691A/MAX693A/MAX800L/MAX800M microprocessor (µP) supervisory circuits are pin-compatible upgrades to the MAX691, MAX693, and MAX695. They improve performance with 30µA supply current, 200ms typ reset active delay on power-up, and 6ns chip-enable propagation delay. Features include write protection of CMOS RAM or EEPROM, separate watchdog outputs, backup-battery switchover, and an active-low RESET output that is valid with VCC down to 1V. The MAX691A/MAX800L have a 4.65V typical reset-threshold voltage, and the MAX693A/MAX800M's reset threshold is 4.4V typical. The MAX800L/MAX800M guarantee power-fail accuracies to ±2%.
Applications
- Computers: Desktop, Workstation, Server
- Controllers
- Critical µP Monitoring
- Intelligent Instruments
Documentation
Data Sheet 2
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| MAX691ACPE+ | Plastic Dual-In-Line, Narrow (0.3in) | ||
| MAX691ACSE+ | 16-Lead SOIC (3.9mm x 9.9mm x 1.55mm) | ||
| MAX691ACSE+T | 16-Lead SOIC (3.9mm x 9.9mm x 1.55mm) | ||
| MAX691ACUE+ | Thin Shrink Small-Outline Package | ||
| MAX691ACWE+ | Small-Outline IC Wide (0.3in) | ||
| MAX691ACWE+T | Small-Outline IC Wide (0.3in) | ||
| MAX691AEPE+ | Plastic Dual-In-Line, Narrow (0.3in) | ||
| MAX691AESE+ | 16-Lead SOIC (3.9mm x 9.9mm x 1.55mm) | ||
| MAX691AESE+T | 16-Lead SOIC (3.9mm x 9.9mm x 1.55mm) | ||
| MAX691AESE/GG8 | Small-Outline IC Narrow (0.15in) | ||
| MAX691AEWE+ | Small-Outline IC Wide (0.3in) | ||
| MAX691AEWE+T | Small-Outline IC Wide (0.3in) | ||
| MAX691AEWE/GG8 | Small-Outline IC Wide (0.3in) | ||
| MAX691AMJE | Ceramic Dual-In-Line, Narrow (0.3in) | ||
| MAX691AMJE/883B | Ceramic Dual-In-Line, Narrow (0.3in) | ||
| MAX691AMSE/PR+ | 16-Lead SOIC (3.9mm x 9.9mm x 1.55mm) |
This is the most up-to-date revision of the Data Sheet.
Software Resources
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| Parts | Product Life Cycle | Description |
|---|---|---|
| Supervisory Circuits & Reset ICs 6 | ||
| MAX6361 | PRODUCTION | SOT23, Low-Power Microprocessor Supervisory Circuits with Battery Backup |
| MAX6362 | PRODUCTION | SOT23, Low-Power Microprocessor Supervisory Circuits with Battery Backup |
| MAX6363 | PRODUCTION | SOT23, Low-Power Microprocessor Supervisory Circuits with Battery Backup |
| MAX6364 | PRODUCTION | SOT23, Low-Power Microprocessor Supervisory Circuits with Battery Backup |
| MAX818 | PRODUCTION | +5V Microprocessor Supervisory Circuits |
| MAX807 | PRODUCTION | Full-Featured µP Supervisory Circuit with ±1.5% Reset Accuracy |