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Details for MIC1832MY by Microchip Technology
MIC1832
MIC1832MY
Buy Directly from Microchip Technology Inc (8145 in stock) $0.9500
Microprocessor Supervisor with Manual Reset, Watchdog Timer, 2.55V or 2.88V Thre
MIC1832MY image

MIC1832MY by Microchip Technology

Microprocessor Supervisor with Manual Reset, Watchdog Timer, 2.55V or 2.88V Thre
Features
Power OK/Reset time delay, 250ms min.
Watchdog timer, 150ms, 600ms, or 1.2s typical
Precision supply voltage monitor, select between 5% or 10% of supply voltage
Avaiable in 8-pin surface mount (SO)
Debounced External reset input
Low supply current, <18µA typical
Description

The MIC1832 is a multifunction circuit which monitors microprocessor activity, external reset and power supplies in microprocessor based systems. The circuit functions include a watchdog time, power supply monitor, microprocessor reset, and manual pushbutton reset input.

The power supply line is monitored with a comparator and an internal voltage reference. /RST is forced low when an out-of-tolerance condition exists and remains asserted for at least 250ms after VCC rises above the threshold voltage (2.55V or 2.88V). The /RST pin will remain logic low with VCC as low as 1.4V.

The Watchdog input (/ST) monitors µP activity and will assert /RST if no µP activity has occurred with in the watchdog timeout period. The watchdog timeout period is selectable with nominal period of 150, 600, 1200 milliseconds.

Specifications
Product Type:
Supervisor
Watchdog Timer:
Yes
Manual Reset:
Yes
Operating Temp. Range (°C):
-40 to 85
Vcc Range (V):
1.4 - 5.5
Nominal Reset Voltage (V):
2.55, 2.88
Reset Type:
Active Low/High or High/Low
Output:
Push-Pull
Typical Reset Pulse Width (ms):
250
Typical Supply Current (µA):
15
Temperature Range:
-40C to +85C
Alternate Descriptions
Microprocessor Supervisor with Manual Re RS Components
MPU SUPERVISOR/MONITOR, -40 TO 85DEG C; Threshold Voltage:2.88V; No. of Supervisors / Monitors:1Monitors; Supply Voltage Min:1.4V; Supply Voltage Max:5.5V; Reset Type:Manual, Active-High, Push-Pull / Active-Low, Open-Drain; Digital RoHS Compliant: Yes Newark Electronics
Processor Supervisor 2.97V 3.3V/3V 8-Pin SOIC Avnet America
Microprocessor Supervisor with Manual Reset Watchdog Timer 2.55V or 2.88V Thre Microchip Technology Inc
Processor Supervisor 2.97V 3.3V/3V 8-Pin SOIC Avnet Europe
Processor Supervisor 2.97V 3.3V/3V 8-Pin SOIC Avnet Asia
3.3V Voltage Supervisor with Manual Reset, Watchdog TImer and Dual Reset Outputs Future Electronics
Details for MIC1832MY by Microchip Technology
MIC1832
MIC1832MY
Buy Directly from Microchip Technology Inc (8145 in stock) $0.9500
MICROPROCESSOR SUPERVISORS / VOLTAGE DET

MIC1832MY by Microchip Technology

MICROPROCESSOR SUPERVISORS / VOLTAGE DET
Part Information
RoHS Compliant
Description
The MIC1832 is a low-current microprocessor supervisor for monitoring 3.3V and 3V systems. The device features logic-selectable (TOL) reset thresholds of 10% or 20% of 3.3V; a pushbutton reset input; a watchdog timer with three-state selectable (TD) timeout periods of 150ms, 600ms, or 1.2s; a fixed reset timeout period of 250ms (min); and active-low open-drain reset (/RST) and active- high push-pull reset (RST) outputs. The /RST output maintains a valid reset condition for VCC as low as 1.4V. The MIC1832 asserts a reset condition if the supply voltage drops below the reset threshold, the pushbutton reset is asserted low, or the watchdog timer does not see a high-to-low transition on the watchdog timer input within the watchdog timer period. A reset condition is held for the reset timeout period of 250ms (min) after the pushbutton input is released, after the supply voltage increases above the reset threshold voltage, or after the watchdog has initiated a reset. The MIC1832 is a drop-in replacement for the DS1832. It operates over the –40°C to +85°C temperature range and is available in Pb-Free 8-pin SOIC and PDIP packages.
Alternate Descriptions
Microprocessor Supervisor with Manual Re RS Components
MPU SUPERVISOR/MONITOR, -40 TO 85DEG C; Threshold Voltage:2.88V; No. of Supervisors / Monitors:1Monitors; Supply Voltage Min:1.4V; Supply Voltage Max:5.5V; Reset Type:Manual, Active-High, Push-Pull / Active-Low, Open-Drain; Digital RoHS Compliant: Yes Newark Electronics
Processor Supervisor 2.97V 3.3V/3V 8-Pin SOIC Avnet America
Microprocessor Supervisor with Manual Reset Watchdog Timer 2.55V or 2.88V Thre Microchip Technology Inc
Processor Supervisor 2.97V 3.3V/3V 8-Pin SOIC Avnet Europe
Processor Supervisor 2.97V 3.3V/3V 8-Pin SOIC Avnet Asia
3.3V Voltage Supervisor with Manual Reset, Watchdog TImer and Dual Reset Outputs Future Electronics