MAX6314US26D3+T by Analog Devices

68HC11/Bidirectional-Compatible µP Reset Circuit


The MAX6314 low-power CMOS microprocessor (µP) supervisory circuit is designed to monitor power supplies in µP and digital systems. The MAX6314's active-low RESET output is bidirectional, allowing it to be directly connected to µPs with bidirectional reset inputs, such as the 68HC11. It provides excellent circuit reliability and low cost by eliminating external components and adjustments. The MAX6314 also provides a debounced manual reset input. This device performs a single function: it asserts a reset signal whenever the VCC supply voltage falls below a preset threshold or whenever manual reset is asserted. Reset remains asserted for an internally programmed interval (reset timeout period) after VCC has risen above the reset threshold or manual reset is deasserted. The MAX6314 comes with factory-trimmed reset threshold voltages in 100mV increments from 2.5V to 5V. Preset timeout periods of 1ms, 20ms, 140ms, and 1120ms (minimum) are also available. The device comes in a SOT143 package. For a µP supervisor with an open-drain reset pin, see the MAX6315 data sheet.

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Features

Small SOT143 Package
Active-Low RESET Output Simplifies Interface to Bidirectional Reset I/Os
Precision Factory-Set VCC Reset Thresholds: 100mV Increments from 2.5V to 5V
100mV Increments from 2.5V to 5V
±1.8% Reset Threshold Accuracy at TA = +25°C
±2.5% Reset Threshold Accuracy over temp.
Four Reset Timeout Periods Available: 1ms, 20ms, 140ms, or 1120ms (minimum)
1ms, 20ms, 140ms, or 1120ms (minimum)
Immune to Short VCC Transients
5µA Supply Current
Pin-Compatible with MAX811

Specifications

Reset Thresh. (V) 2.5 to 3.33.3 to 5.5
Reset Thresh. Accur. (%) (@ +25°C) 1.8
Reset Out Active LowBidirectional
tRESET (min) 1ms to 15ms15ms to 85ms85ms to 300ms>1s
Watchdog Feature No Watchdog
Supervisor Features Manual Reset
ICC (µA) (max) 12
Package/Pins SOT23/4
BudgetaryPrice (See Notes) 1.5


MAX6314US26D3+T Power Management ICs - PMIC by Analog Devices

MPU SUPERVISOR 5.5V SOT-143-4

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

Specifications

Threshold Voltage 2.63V
No. of Supervisors / Monitors 1Monitors
Supply Voltage Min 1V
Supply Voltage Max 5.5V
Reset Type Active-Low Bidirectional
Digital IC Case SOT-143
No. of Pins 4Pins
Delay Time 200ms
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

68HC11/Bidirectional-Compatibl | Analog Devices
MPU SUPERVISOR, 5.5V, SOT-143-4 | element14
Mpu Supervisor, 5.5V, Sot-143-4 | Newark Electronics
Processor Supervisor 2.63V 1V to 5.5V 4-Pin(3+Tab) SOT-143 T/R | Avnet Asia

Frequently Asked Questions

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Is the MAX6314US26D3+T RoHS compliant?

This part has not been flagged as RoHS Compliant.

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