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STM690SM6F

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by Ray

STMicroelectronics Supervisor and Reset ICs, SOIC-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.

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Contents

README

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STM690SM6F

STMicroelectronics · Supervisor and Reset ICs · SOIC-8

STM690SM6F from STMicroelectronics, in a SOIC-8. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 VOUT power_out Supply output for external LPSRAM. When VCC is above VSO, VOUT is connected to VCC through a P-channel MOSFET switch. When VCC falls below VSO, VBAT is connected to VOUT. Connect to VCC if no battery is used.
2 VCC power_in Primary supply voltage input (nominal 3 V). Monitored by the internal comparator against the reset threshold.
3 VSS power_in Device ground reference.
4 PFI input Power-fail comparator input. When PFI is less than VPFI (typ 1.25 V) or when VCC falls below VSW (2.4 V), PFO goes low. Connect to ground if unused.
5 PFO output Power-fail comparator output (active-low, push-pull). Goes low when PFI drops below VPFI or when VCC falls below VSW. Leave open if unused.
6 WDI input Watchdog input. If WDI remains high or low for 1.6 s (typ), the internal watchdog timer expires and reset is asserted. A rising or falling edge on WDI clears the watchdog. Cannot be disabled by floating.
7 RST output Active-low reset output (push-pull). Pulses low for trec (200 ms typ) when triggered and remains low whenever VCC is below the reset threshold or the watchdog expires. Guaranteed valid down to VCC = 1.0 V.
8 VBAT power_in Backup battery input. When VCC falls below VSO, VOUT switches from VCC to VBAT. When VCC rises above VSO + hysteresis, VOUT reconnects to VCC. VBAT may exceed VCC. Connect to VCC if no battery is used.

Key specifications

Parameter Value
Manufacturer STMicroelectronics
Package SOIC-8
Category PMIC
Pins 8

Ordering variants

Same part, different packaging or reel option.

  • STM690SM6F
  • STM690SM6FS
  • STM690SM6FT

CAD (KiCad official)

  • Symbol: STM690SM6F
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: STMicroelectronics datasheet (42 pp, sha256 7b0e1b14da4b9b31, retrieved 2026-08-17, tier: lcsc)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF