Features and Benefits
- 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.
- Computers: Desktop, Workstation, Server
- Critical µP Monitoring
- Embedded Systems
- Intelligent Instruments
- Portable Battery-Powered Equipment
Product Lifecycle Production
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
Documentation & Resources
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.
Support & Discussions
Sample & Buy
See our Ordering FAQs for answers to questions about online orders, payment options and more.
Buy Now Pricing
(**) Displayed Buy Now Price and Price Range is based on small quantity orders.
(*)The 1Ku list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
Please see the latest communication from our CCO regarding lead times.
Selecting the Sample button above will redirect to the third-party ADI Sample Site. The part selected will carry over to your cart on this site once logged in. Please create a new account there if you have never used the site before. Contact SampleSupport@analog.com with any questions regarding this Sample Site.