MAX708RESA

The MAX708RESA is a Maxim Integrated (now Analog Devices) microprocessor supervisory circuit. It provides reliable reset generation for a microcontroller or processor by monitoring the supply voltage and, if needed, issuing a reset to ensure proper startup and operation.
Key points:
- Monitors Vcc with a fixed threshold and generates a power-on reset (POR) when the supply comes up or brownouts occur.
- Includes a watchdog timer to detect a hung CPU; requires regular refresh to avoid a reset.
- Has a manual reset input and an active-low reset output to the microcontroller.
- Low quiescent current and suitable for small packages (RESA variant indicates a RoHS-compliant, compact package).
- Used to improve system reliability in embedded, consumer, automotive, and battery-powered applications.
Note: exact reset thresholds and timing depend on the specific MAX708RESA variant; consult the datasheet for precise values and timing details.

Direct equivalents depend on reset threshold, delay, polarity and package. MAX708RESA is a Maxim voltage‑supervisor/reset IC (700/708 family). Potential drop‑in equivalents (depending on specs) include:
- Microchip MCP131/MCP132
- TI TLV803/TLV803B
- Analog Devices ADM803/ADM803A
- On Semiconductor NCP704/NCP705 series
Please provide Vcc (3.3V/5V), reset polarity, delay (ms), and package to refine the cross‑reference.

Pin count: 8 pins (DIP-8 / 8-SOIC).
Function: Microprocessor supervisory/reset IC. It monitors the supply voltage and/or a watchdog timer and asserts a reset to the CPU on power‑up/power‑down or when the watchdog expires, ensuring proper processor reset.

- Manufacturer: Maxim Integrated Products (now part of Analog Devices).
- What kind of company: An American semiconductor company that designs and manufactures analog and mixed-signal integrated circuits for various markets (industrial, automotive, consumer).

Applications areas for MAX708RESA include:
- Microprocessor/microcontroller reset supervision in embedded systems
- Power-on and brown-out reset generation for reliable MCU startup
- Reset sequencing for digital logic, memory controllers, and FPGAs
- Battery-powered and portable devices needing stable reset references
- Automotive, industrial, and consumer electronics requiring robust reset protection
- Data acquisition, instrumentation, and control systems needing deterministic reset behavior
Note: MAX708RESA is used to provide dependable reset signals and basic monitoring for digital logic in various environments.

The MAX708RESA comes in an 8-pin DIP (PDIP) package; Pb-free/RoHS-compliant.