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CN810M

ShangHai Consonance Elec · Monitors & Reset Circuits · SOT-23-3

CN810M from ShangHai Consonance Elec, in a SOT-23-3. 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 for the device; the monitored supply and the RESET output are referenced to this pin.
2	RESET	output	CMOS active-high reset output for CN810: driven high while VCC is below the reset threshold (4.38V for CN810M) and held high for at least 140 ms after VCC rises above VRES + VHYST.
3	VCC	power_in	Positive supply input that powers the internal circuit and is also the monitored voltage; minimum operating voltage 1.15V, absolute maximum -0.3V to +6.0V.

Key specifications

Parameter	Value
Manufacturer	ShangHai Consonance Elec
Package	SOT-23-3
Category	Power Management ICs
Pins	3

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 accuracy		-2.5		2.5	%	precise reset threshold (feature statement)	1
Reset threshold	VRES	4.25	4.38	4.5	V	CN8__M row	4
Reset pulse width	TRES	140	240	400	ms		4
Operating current	IVCC		2.8	5.5	uA	VCC=2.0V	4
Operating current	IVCC		3.2	6	uA	VCC=3.0V	4
Operating current	IVCC		4	7.5	uA	VCC=5.0V	4
Minimum supply voltage	VCCMIN	1.15			V		4
Maximum supply voltage	VCCMAX			5.5	V		4
RESET output low voltage (CN810)	VOL			0.3	V	VRES<VCC=3V, ISINK=3.2mA	4
VCC to RESET delay (CN810)				20	us	VCC from VRES+0.1V to VRES-0.1V	4
Absolute max VCC voltage	VCC	-0.3		6	V	relative to GND	3
Absolute max RESET pin voltage	RESET	-0.3		6	V	relative to GND	3
Absolute max VCC pin current	VCC			20	mA		3
Absolute max RESET pin current	RESET			20	mA		3
Thermal resistance				300	°C/W		3
Operating ambient temperature	TA	-40		85	°C		3
Storage temperature	TSTG	-65		150	°C		3
Maximum junction temperature	TJ			150	°C		3
Soldering temperature				300	°C	10 s	3
ESD voltage HBM				4	kV	HBM	3

CAD (KiCad official)

Symbol: CN810M
Footprint: Package_TO_SOT_SMD:SOT-23-3
3D model: SOT-23-3 (KiCad packages3D, STEP)
3D model files: cn810m-etched.step / cn810m-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cn810m.step / cn810m.glb are the bare package body.

Provenance

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

Datasheet: ShangHai Consonance Elec datasheet (7 pp, sha256 bbeb80fd1a0c3663, retrieved 2026-10-27, tier: lcsc)
Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
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