規格
| 屬性 | 價值 |
| Package | Tube,Tube |
| ProductStatus | Obsolete |
| Type | Simple Reset/Power-On Reset |
| NumberofVoltagesMonitored | 1 |
| Voltage-Threshold | 4.65V |
| Output | Push-Pull, Totem Pole |
| Reset | Active Low |
| ResetTimeout | 140ms Minimum |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
概述
Description
MAX705ESA is a Maxim Integrated microcontroller in the MAX705 family, designed for compact embedded control tasks. It combines a small CPU core with on‑chip memory and essential peripherals (I/O, timers, watchdog, and basic serial interfaces) to support low‑footprint, battery‑powered or space‑constrained applications. The ESA suffix denotes a specific device variant, usually indicating a particular package style and temperature grade (e.g., extended temperature). Typical use cases include small appliance controllers, sensor interfaces, remote controls, and other simple embedded controls. For exact specifications—voltage range, memory size, I/O count, timing, and the exact package—refer to the MAX705ESA datasheet for the precise variant you’re using. If you share a datasheet link or supplier code, I can summarize the exact specs.
Equivalent
Equivalent products (voltage supervisor/reset with optional watchdog) to MAX705ESA include:
- Maxim: MAX809/MAX810
- TI: TLV803/TLV803B
- Microchip: MCP1316/MCP1317
- ON Semiconductor: CAT803/CAT803A
- Analog Devices: ADM803/ADM803A
Note: choose by reset threshold, delay, watchdog behavior, and package; verify with datasheets for exact cross-reference.
- Maxim: MAX809/MAX810
- TI: TLV803/TLV803B
- Microchip: MCP1316/MCP1317
- ON Semiconductor: CAT803/CAT803A
- Analog Devices: ADM803/ADM803A
Note: choose by reset threshold, delay, watchdog behavior, and package; verify with datasheets for exact cross-reference.
Features
Key features of MAX705ESA (microprocessor supervisory/watchdog):
- Monitors supply voltage and provides a reliable power-on/reset condition.
- Reset output is active (low) for microcontroller reset; fast, CMOS/TTL-compatible.
- Manual reset input to force an immediate reset.
- Built-in watchdog timer with WDI input; CPU must periodically refresh to avoid reset.
- Power-fail/undervoltage handling to ensure proper startup.
- Auto-reset during power-up for clean MCU initialization.
- Low quiescent current for battery-powered applications.
- Available in compact 8-pin packages (e.g., SOIC/DIP variants) with extended temperature range.
- Suitable for single-supply embedded systems requiring robust reset and watchdog supervision.
Note: Exact thresholds, timeout ranges, and pinout depend on the specific MAX705ESA variant; refer to the datasheet for precise electrical specifications and package options.
- Monitors supply voltage and provides a reliable power-on/reset condition.
- Reset output is active (low) for microcontroller reset; fast, CMOS/TTL-compatible.
- Manual reset input to force an immediate reset.
- Built-in watchdog timer with WDI input; CPU must periodically refresh to avoid reset.
- Power-fail/undervoltage handling to ensure proper startup.
- Auto-reset during power-up for clean MCU initialization.
- Low quiescent current for battery-powered applications.
- Available in compact 8-pin packages (e.g., SOIC/DIP variants) with extended temperature range.
- Suitable for single-supply embedded systems requiring robust reset and watchdog supervision.
Note: Exact thresholds, timeout ranges, and pinout depend on the specific MAX705ESA variant; refer to the datasheet for precise electrical specifications and package options.
Pinout
- Pin count: 8 pins (8-pin package, e.g., SO-8/DIP-8)
- Function: Microprocessor reset supervisor with watchdog timer. It monitors Vcc, provides a power-on reset, and outputs a reset signal to the MCU. It also accepts a watchdog input (WDI) to retrigger the timer.
- Function: Microprocessor reset supervisor with watchdog timer. It monitors Vcc, provides a power-on reset, and outputs a reset signal to the MCU. It also accepts a watchdog input (WDI) to retrigger the timer.
Manufacturer
Manufacturer: Maxim Integrated Products, Inc.
What kind of company: A semiconductor company that designs and manufactures analog and mixed-signal integrated circuits (ICs) for electronics systems.
What kind of company: A semiconductor company that designs and manufactures analog and mixed-signal integrated circuits (ICs) for electronics systems.
Application
MAX705ESA is a microprocessor supervisory circuit with reset generation and watchdog functionality. Typical applications include:
- MCU/processor reset supervision for power-up/power-down and brown-out protection
- Watchdog timer to recover from software hangs
- Battery-powered or low-power embedded devices
- General use in consumer electronics, data/telecom equipment, and industrial instrumentation and control systems
- Any embedded system requiring reliable reset signaling and watchdog monitoring.
- MCU/processor reset supervision for power-up/power-down and brown-out protection
- Watchdog timer to recover from software hangs
- Battery-powered or low-power embedded devices
- General use in consumer electronics, data/telecom equipment, and industrial instrumentation and control systems
- Any embedded system requiring reliable reset signaling and watchdog monitoring.
Package
The MAX705ESA comes in an 8-pin SOIC (small-outline) package.
