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Pinout
Key specifications
Ordering variants
CAD (KiCad official)
Provenance

README

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SGM5018YTS

SGMICRO · Analog Switches, Multiplexers · TSSOP-16

SGM5018YTS from SGMICRO, in a TSSOP-16. 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	IN	input	Digital control input. Selects whether COMx pins connect to NOx (IN = high) or NCx (IN = low) when EN is low. TTL/CMOS compatible; VIH = 1.6 V, VIL = 0.5 V at V+ = 4.5-5.5 V (VIL = 0.4 V at V+ = 2.7-3.6 V).
2	NC1	passive	Channel 1 Normally Closed switch terminal. Analog signal range 0 V to V+; continuous current on NO/NC/COM limited to ±100 mA. Connected to COM1 when EN = low and IN = low.
3	NO1	passive	Channel 1 Normally Open switch terminal. Analog signal range 0 V to V+; continuous current on NO/NC/COM limited to ±100 mA. Connected to COM1 when EN = low and IN = high.
4	COM1	passive	Channel 1 Common switch pole. Routes to NO1 or NC1 depending on IN state (with EN = low). Typical on-resistance 4.5 Ω at V+ = 4.5 V, ±100 mA.
5	NC2	passive	Channel 2 Normally Closed switch terminal. Analog signal range 0 V to V+; continuous current on NO/NC/COM limited to ±100 mA. Connected to COM2 when EN = low and IN = low.
6	NO2	passive	Channel 2 Normally Open switch terminal. Analog signal range 0 V to V+; continuous current on NO/NC/COM limited to ±100 mA. Connected to COM2 when EN = low and IN = high.
7	COM2	passive	Channel 2 Common switch pole. Routes to NO2 or NC2 depending on IN state (with EN = low). Typical on-resistance 4.5 Ω at V+ = 4.5 V, ±100 mA.
8	GND	power_in	Ground reference for the device. Analog signals on NO/NC/COM are referenced to GND; V+ is measured relative to GND (-0.3 V to +6 V absolute maximum).
9	COM3	passive	Channel 3 Common switch pole. Routes to NO3 or NC3 depending on IN state (with EN = low). Typical on-resistance 4.5 Ω at V+ = 4.5 V, ±100 mA.
10	NO3	passive	Channel 3 Normally Open switch terminal. Analog signal range 0 V to V+; continuous current on NO/NC/COM limited to ±100 mA. Connected to COM3 when EN = low and IN = high.
11	NC3	passive	Channel 3 Normally Closed switch terminal. Analog signal range 0 V to V+; continuous current on NO/NC/COM limited to ±100 mA. Connected to COM3 when EN = low and IN = low.
12	COM4	passive	Channel 4 Common switch pole. Routes to NO4 or NC4 depending on IN state (with EN = low). Typical on-resistance 4.5 Ω at V+ = 4.5 V, ±100 mA.
13	NO4	passive	Channel 4 Normally Open switch terminal. Analog signal range 0 V to V+; continuous current on NO/NC/COM limited to ±100 mA. Connected to COM4 when EN = low and IN = high.
14	NC4	passive	Channel 4 Normally Closed switch terminal. Analog signal range 0 V to V+; continuous current on NO/NC/COM limited to ±100 mA. Connected to COM4 when EN = low and IN = low.
15	EN	input	Digital enable control (active-low). Normally connect to GND for switch operation; drive to logic high to force all four switches OFF (all NO/NC disconnected from COM). TTL/CMOS compatible.
16	V+	power_in	Positive power supply, 1.8 V to 5.5 V single supply. Absolute maximum 6 V referenced to GND. Supply current typically <1 µA. Bypass with 0.1 µF to GND.

Key specifications

Parameter	Value
Manufacturer	SGMICRO
Package	TSSOP-16
Category	Interface
Pins	16

Ordering variants

SGM5018YTS/TR

CAD (KiCad official)

Symbol: SGM5018YTS
Footprint: Package_SO:TSSOP-16_4.4x5mm_P0.65mm
3D model: TSSOP-16 (KiCad packages3D, STEP)

Provenance

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

Datasheet: SGMICRO datasheet (None pp, sha256 bde2d1dafa9a2696, 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

Symbol & Footprint

Schematic Symbol

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PCB Footprint