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MAX811REUS+T

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Analog Devices Inc Maxim Integrated Supervisor And Reset ICs, SOT-143-4. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MAX811REUS+T

Analog Devices Inc Maxim Integrated · Supervisor And Reset ICs · SOT-143-4

MAX811REUS+T from Analog Devices Inc Maxim Integrated, in a SOT-143-4. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 GND power_in Ground reference pin for the supervisor.
2 RESET output Active-low reset output that is guaranteed to be a logic low for VCC > 1V and remains low while VCC is below the reset threshold or MR is held low, plus the reset timeout period (tRP) after those conditions end.
3 MR input Active-low manual reset input with an internal 20kΩ pull-up (10-30kΩ over the electrical characteristics limits) that asserts reset when pulled low, accepts TTL/CMOS or open-drain drive, and can be left open if unused.
4 VCC power_in Supply voltage input (+5V, +3.3V or +3V nominal) monitored against the reset threshold, with a 1.2V minimum operating voltage and a -0.3V to 6.0V absolute maximum rating.

Key specifications

Parameter Value
Manufacturer Analog Devices Inc Maxim Integrated
Package SOT-143-4
Category Power Management (PMIC)
Pins 4

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Reset Threshold (MAX811R, TA = +25°C) VTH 2.58 2.63 2.68 V TA = +25°C 2
Reset Threshold (MAX811R, TA = -40°C to +85°C) VTH 2.55 2.7 V TA = -40°C to +85°C 2
Operating Voltage Range VCC 1.2 V TA = -40°C to +85°C 2
Operating Voltage Range VCC 1 5.5 V TA = 0°C to +70°C 2
Supply Current (MAX81_R/S/T) ICC 2.7 10 µA VCC = 3V (R version), TA = -40°C to +85°C 2
Reset Active Timeout Period tRP 140 560 ms 2
VCC to Reset Delay 20 40 µs 2
MR to Reset Propagation Delay tMD 0.5 µs 2
MR Minimum Pulse Width tMR 10 µs 2
MR Pull-Up Resistance 10 20 30 kΩ 2
RESET Output Voltage Low (MAX811R/S/T) VOL 0.3 V ISINK = 1.2mA, VCC = VTH(MIN) 3
RESET Output Voltage Low (all MAX811 versions) VOL 0.3 V ISINK = 50µA, VCC > 1.0V 3
Reset Threshold Tempco 30 ppm/°C 2
MR Glitch Immunity 100 ns Glitches of 100ns or less typically do not generate a reset pulse (Note 3) 2
Absolute Maximum: Terminal Voltage VCC (with respect to GND) VCC -0.3 6 V with respect to GND 2
Absolute Maximum: All Other Inputs (with respect to GND) -0.3 V with respect to GND; upper limit is (VCC + 0.3V) 2
Absolute Maximum: Input Current, VCC, MR 20 mA VCC and MR pins 2
Absolute Maximum: Output Current, RESET or RESET 20 mA RESET or RESET output 2
Operating Temperature Range TA -40 85 °C 2
Storage Temperature Range TSTG -65 160 °C 2
Lead Temperature (soldering, 10 sec) 300 °C soldering, 10 sec 2

CAD (KiCad official)

  • Symbol: MAX811REUS+T
  • Footprint: Package_TO_SOT_SMD:SOT-143
  • 3D model: SOT-143-4 (KiCad packages3D, STEP)
  • 3D model files: max811reus-t-etched.step / max811reus-t-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); max811reus-t.step / max811reus-t.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Analog Devices Inc Maxim Integrated datasheet (9 pp, sha256 07d226ae9e0b7d3e, retrieved 2026-10-16, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF