MAX1232ESA+T

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MAX1232ESA+T

IC SUPERVISOR 1 CHANNEL 8SOIC

  • Fabricant
  • Mfr. Partie #MAX1232ESA+T
  • Paquet SOP8
  • Fiche de données
  • En stock3830

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Spécifications

Package Tape & Reel (TR)
ProductStatus Obsolete
Type Simple Reset/Power-On Reset
NumberofVoltagesMonitored 1
Voltage-Threshold 4.37V, 4.62V
Output Open Drain or Open Collector
Reset Active High/Active Low
ResetTimeout 250ms Minimum
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Vue d'ensemble

Description

The MAX1232ESA+T is a microprocessor supervisory circuit manufactured by Maxim Integrated, designed to monitor and ensure proper operation of microprocessors and microcontrollers. This device provides several critical functions, including a reset output during power-up, power-down, and brownout conditions to prevent erratic system behavior. It also features a watchdog timer that requires regular toggling by the system to confirm normal operation; failure to do so triggers a reset. Additionally, it has a manual reset input allowing external reset control.
The MAX1232ESA+T operates with a voltage range from 4.5V to 5.5V and is housed in an 8-pin SOIC package. It is tailored for applications requiring high reliability and precision, such as in embedded systems, industrial controllers, and communication devices. The device's compact size and low power consumption make it suitable for use in portable and space-constrained applications. Its robust design enhances system stability and reliability by safeguarding against power outages, glitches, and code execution errors.

Features

The MAX1232ESA+T is a microprocessor supervisory circuit designed to monitor the operational status of microprocessors and microcontrollers, ensuring reliable system performance. Key features include:
1. Voltage Monitoring: It monitors supply voltage and provides a reset signal when the voltage drops below a preset threshold, thus preventing incorrect microprocessor operation.
2. Manual Reset Input: Allows external reset signal triggering, providing flexibility for system testing and debugging.
3. Watchdog Timer: The device includes a watchdog timer that requires periodic toggling from the microprocessor. If not reset within a specified timeout period, it initiates a system reset to recover from software failures.
4. Reset Output: Provides a reset output signal with a guaranteed minimum pulse width, ensuring reliable microprocessor initialization.
5. Debounced Pushbutton Reset: Features a pushbutton reset input that is debounced internally, eliminating the need for external components to handle switch bounce.
6. Low Power Consumption: Designed for low power consumption, making it suitable for battery-operated applications.
These features make the MAX1232ESA+T ideal for safeguarding microprocessor functionality in embedded systems, preventing data corruption, and ensuring system stability.

Package

The MAX1232ESA+T is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) type.

Pinout

The MAX1232ESA+T is a microprocessor supervisory circuit designed to monitor power supplies and microprocessor activity. It typically comes in an 8-pin SOIC package. The functions of its pins are as follows:
1. V_CC (Pin 1): Power supply input.
2. GND (Pin 2): Ground reference for the device.
3. TOL (Pin 3): Tolerance select input for V_CC reset threshold (5% or 10%).
4. TD (Pin 4): Watchdog timer input pin for setting the timeout period.
5. RST (Pin 5): Active-low reset output; goes low when triggered by faults.
6. RST (Pin 6): Active-high reset output; goes high when triggered by faults.
7. ST (Pin 7): Strobe input for monitoring microprocessor activity.
8. VBATT (Pin 8): Battery backup input.
The MAX1232 provides functions such as reset output for supply voltage monitoring, watchdog timer to monitor processor activity, and battery backup switching circuitry.

Manufacturer

The MAX1232ESA+T is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated is known for designing and manufacturing analog and mixed-signal integrated circuits. The company specializes in power management, interface, and sensor solutions for the electronics industry. Maxim Integrated's products are used in a wide range of applications, including automotive, industrial, communications, consumer, and computing markets.

Application

The MAX1232ESA+T is a supervisory circuit commonly used in applications requiring microprocessor monitoring and reset functions. It is utilized in embedded systems, industrial automation, telecommunications, and consumer electronics to ensure reliable microprocessor operation. It provides features such as reset signal generation during power-up, power-down, and brownout conditions, along with watchdog timer capabilities to detect and reset a microprocessor that fails to operate correctly.

Equivalent

Equivalent products to the MAX1232ESA+T chip, which is a microprocessor supervisory circuit, include the DS1232 from Dallas Semiconductor and the ADM1232 from Analog Devices. These components provide similar functionality, such as monitoring supply voltage and providing a reset signal to the microprocessor. When choosing an equivalent, ensure compatibility with your specific application requirements in terms of voltage thresholds, packaging, and reset timeout periods.

Expédition

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FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

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