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STM6777SYWB6F

Public Made by Adom

by adom

STMicroelectronics Supervisor And Reset ICs, SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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STM6777SYWB6F

STMicroelectronics · Supervisor And Reset ICs · SOT-23-6

STM6777SYWB6F from STMicroelectronics, in a SOT-23-6. 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 RST output Active-low reset output that is open drain on the STM6777 and must be pulled up to VCC1 (10 kΩ is sufficient for most applications); it is driven low whenever VCC1, VCC2 or MR goes low and stays low for trec after all monitored supplies are above threshold and MR returns high.
2 VSS power_in Ground reference for the supervisor.
3 MR input Active-low push-button manual reset input with an internal 50 kΩ pull-up (25 kΩ to 80 kΩ) to VCC1; it can be driven from TTL/CMOS or open-drain logic or switched to VSS, and may be left open or tied to VCC1 if unused.
4 VCC2 power_in Secondary supply voltage monitoring input with factory-programmed reset thresholds from 3.08 V to 0.79 V (operating range 0.8 V to 3.6 V for VCC2 in the DC tables).
5 MRC input Manual reset delay input that is left open for the minimum delay (6 µs or more) or connected to VSS through a capacitor to lengthen the manual reset delay (about 4 s typical with 3.3 µF).
6 VCC1 power_in Primary supply voltage input and reset threshold monitor with factory-programmed thresholds from 4.63 V to 1.58 V, operating over 0.8 V to 5.5 V.

Key specifications

Parameter Value
Manufacturer STMicroelectronics
Package SOT-23-6
Category Power Management (PMIC)
Pins 6

CAD (KiCad official)

  • Symbol: STM6777SYWB6F
  • Footprint: Package_TO_SOT_SMD:SOT-23-6
  • 3D model: SOT-23-6 (KiCad packages3D, STEP)
  • 3D model files: stm6777sywb6f-etched.step / stm6777sywb6f-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); stm6777sywb6f.step / stm6777sywb6f.glb are the bare package body.

Provenance

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

  • Datasheet: STMicroelectronics datasheet (30 pp, sha256 1dd8d7f2d8316ee8, retrieved 2026-10-08, 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