MAX6804US29D3+T by Analog Devices

4-Pin, Low-Power µP Reset Circuits with Manual Reset


The MAX6803/MAX6804/MAX6805 microprocessor (µP) supervisory circuits monitor the power supplies in 2.85V to 5.0V µP and digital systems. They increase circuit reliability and reduce cost by eliminating external components and adjustments. They also feature a debounced manual reset input. These devices perform a single function: they assert a reset signal whenever the VCC supply voltage declines below a preset threshold or whenever manual reset is asserted. Reset remains asserted for a preset timeout period after VCC has risen above the reset threshold or after manual reset is deasserted. The only difference among the three devices is their output. The MAX6804 (push/pull) and MAX6805 (open-drain) have an active-low RESET output, while the MAX6803 (push/pull) has an active-high RESET output. The MAX6803/MAX6804 are guaranteed to be in the correct state for VCC down to 0.7V. The MAX6805 is guaranteed to be in the correct state for VCC down to 1.0V. The reset comparator in these ICs is designed to ignore fast transients on VCC. Reset thresholds are factory-trimmable between 2.63V and 4.80V, in approximately 100mV increments. These devices are available with a 1ms min, 20ms min, or 100ms min reset timeout period. Ideal for space-critical applications, the MAX6803/MAX6804/MAX6805 come packaged in a 4-pin SOT143. For a lower threshold voltage version, see the MAX6335/MAX6336/MAX6337.

Where to Buy

Prices starting from US$1.67

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Features

Ultra-Low 0.7V Operating Supply Voltage
Low 4.0µA Supply Current
Precision Monitoring of 2.85V to 5.0V Power-Supply Voltages
Reset Thresholds Available from 2.63V to 4.80V, in Approximately 100mV Increments
Debounced Manual Reset Input
Fully Specified over Temperature
Three Power-On Reset Timeout Periods Available (1ms min, 20ms min, 100ms min)
Low Cost
Three Available Output Structures: Push/Pull active-low RESET, Push/Pull RESET, Open-Drain active-low RESET
Guaranteed RESET/active-low RESET Valid to VCC = 0.7V (MAX6803/MAX6804)
Power-Supply Transient Immunity
No External Components Required
4-Pin SOT143 Package
Pin Compatible with MAX811/MAX812 and MAX6314/MAX6315

Specifications

Reset Thresh. (V) 2.5 to 3.33.3 to 5.5
Reset Out Active LowPush-Pull
tRESET (min) 1ms to 15ms15ms to 85ms85ms to 300ms
Watchdog Feature No Watchdog
Supervisor Features Manual Reset
ICC (µA) (max) 12
Package/Pins SOT23/4
BudgetaryPrice (See Notes) 1.54


MAX6804US29D3+T - Integrated Circuits by Analog Devices

MP SUPERVISOR SINGLE 2.93V SOT-143-4

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

Specifications

Threshold Voltage 2.93V
No. of Supervisors / Monitors 1Monitors
Supply Voltage Min 700mV
Supply Voltage Max 5.5V
Reset Type Manual Active-Low Push-Pull
Digital IC Case SOT-143
No. of Pins 4Pins
Delay Time 150ms
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

MP SUPERVISOR, SINGLE, 2.93V, SOT-143-4 | element14
Mp Supervisor, Single, 2.93V, Sot-143-4 | Newark Electronics

Frequently Asked Questions

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This part has not been flagged as RoHS Compliant.

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