MAX6323CUT46+T by Analog Devices

µP Supervisory Circuits with Windowed (Min/Max) Watchdog and Manual Reset

Status: Active
Series: MAX6323
RoHS: Unknown
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The MAX6323/MAX6324 microprocessor (µP) supervisory circuits monitor power supplies and µP activity in digital systems. A watchdog timer looks for activity outside an expected window of operation. Six laser-trimmed reset thresholds are available with ±2.5% accuracy from +2.32V to +4.63V. Valid active-low RESET output is guaranteed down to VCC = +1.2V. The active-low RESET output is either push-pull (MAX6323) or open-drain (MAX6324). active-low RESET is asserted low when VCC falls below the reset threshold, or when the manual reset input (active-low MR) is asserted low. active-low RESET remains asserted for at least 100ms after VCC rises above the reset threshold and active-low MR is deasserted. The watchdog pulse output (active-low WDPO) utilizes an open-drain configuration. It can be triggered either by a fast timeout fault (watchdog input pulses are too close to each other) or a slow timeout fault (no watchdog input pulse is observed within the timeout period). The watchdog timeout is measured from the last falling edge of watchdog input (WDI) with a minimum pulse width of 300ns. Active-low WDPO is asserted for 1ms when a fault is observed. Eight laser-trimmed timeout periods are available. The MAX6323/MAX6324 are offered in a 6-pin SOT23 package and operate over the extended temperature range (-40°C to +125°C).

Prices starting from US$2.93


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Logo for Newark Electronics Newark Electronics US$5.02
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Features

Min/Max (Windowed) Watchdog, 8 Factory-Trimmed Timing Options
Pulsed Open-Drain, Active-Low Watchdog Output
Power-On Reset
Precision Monitoring of +2.5V, +3.0V, +3.3V, and +5.0V Power Supplies
Open-Drain or Push-Pull Active-Low RESET Outputs
Low-Power Operation (23µA typ)
Debounced Manual Reset Input
Guaranteed Reset Valid to VCC = +1.2V
AEC-Q100 Qualified MAX6324HUT44/V+T

Specifications

Reset Thresh. (V) 2.5 to 3.33.3 to 5.5
Reset Thresh. Accur. (%) (@ +25°C) 1.5
Reset Out Active LowPush-Pull
tRESET (min) 85ms to 300ms
Watchdog Feature Input/Output (WDI/WDO)Windowed
Watchdog Timeout 1s to 2s<1s>2sAdjustable
Supervisor Features Manual Reset
ICC (µA) (max) 45
Package/Pins SOT23/6
BudgetaryPrice (See Notes) 2.18


MAX6323CUT46+T Power Management ICs - PMIC by Analog Devices

MPU SUPERVISOR 5.5V SOT-23-6

Status: Unknown
Series: -
RoHS: Unknown
View Datasheet Manufacturer Site View Pricing & Stock

Specifications

Threshold Voltage 4.63V
No. of Supervisors / Monitors 1Monitors
Supply Voltage Min 1.2V
Supply Voltage Max 5.5V
Reset Type Active-Low Push-Pull
Digital IC Case SOT-23
No. of Pins 6Pins
Delay Time 180ms
Operating Temperature Min -40°C
Operating Temperature Max 125°C
Product Range -
Automotive Qualification Standard -
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

Mpu Supervisor, 5.5V, Sot-23-6 | Newark Electronics
MPU SUPERVISOR, 5.5V, SOT-23-6 | element14

Frequently Asked Questions

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This part has not been flagged as RoHS Compliant.

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