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Name	Last commit message	Last updated
docs	x9c103sizt1: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray	5d ago
viewers	x9c103sizt1: viewers · Ray	28d ago
package.json	Publish 0.1.0 · Ray	28d ago
page.json	x9c103sizt1: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) · Ray	1d ago
README.md	x9c103sizt1: laser-etched CAD + chip hero (factory 2.0.0 backfill) · Ray	16d ago
x9c103sizt1-etched.fit.json	x9c103sizt1: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray	5d ago
x9c103sizt1-etched.glb	x9c103sizt1: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray	5d ago
x9c103sizt1-etched.step	x9c103sizt1: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray	5d ago
x9c103sizt1.glb	Publish 0.1.0 · Ray	28d ago
x9c103sizt1.kicad_mod	Publish 0.1.0 · Ray	28d ago
x9c103sizt1.kicad_sym	Publish 0.1.0 · Ray	28d ago
x9c103sizt1.lbr	Publish 0.1.0 · Ray	28d ago
x9c103sizt1.step	Publish 0.1.0 · Ray	28d ago

X9C103SIZT1

RENESAS · Digital Potentiometers · SOIC-8

X9C103SIZT1 from RENESAS, 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	INC	input	Increment input (active LOW, negative-edge triggered). Toggling INC moves the wiper and either increments or decrements the counter in the direction indicated by the logic level on U/D. VIH min 2V, VIL max 0.8V.
2	U/D	input	Up/Down direction control. The U/D input controls the direction of wiper movement and whether the counter is incremented or decremented. VIH min 2V, VIL max 0.8V.
3	VH/RH	passive	High terminal of the potentiometer array, equivalent to a fixed terminal of a mechanical potentiometer. Voltage range -5V to +5V referenced to VSS. Naming references position relative to wiper movement direction selected by U/D, not voltage potential.
4	VSS	power_in	Ground reference for the device.
5	VW/RW	passive	Wiper terminal, equivalent to the movable terminal of a mechanical potentiometer. Wiper position within the resistor array is determined by the control inputs. Typical wiper series resistance is 40Ω (100Ω max).
6	VL/RL	passive	Low terminal of the potentiometer array, equivalent to a fixed terminal of a mechanical potentiometer. Voltage range -5V to +5V referenced to VSS. Naming references position relative to wiper movement direction selected by U/D, not voltage potential.
7	CS	input	Chip Select (active LOW). The device is selected when CS is LOW. The current counter value is stored in nonvolatile memory when CS is returned HIGH while INC is also HIGH. After the store operation, the device enters low-power standby mode until reselected.
8	VCC	power_in	Supply voltage input. 5V ±10%. Active current 3mA max, standby current 750µA max.

Key specifications

Parameter	Value
Manufacturer	RENESAS
Package	SOIC-8
Category	Data Acquisition
Pins	8

Ordering variants

Same part, different packaging or reel option.

X9C103SIZT1
X9C103SIZT2
X9C103SZ
X9C103P
X9C103PZ
X9C103PI
X9C103PIZ

CAD (KiCad official)

Symbol: X9C103SIZT1
Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
3D model: SOIC-8 (KiCad packages3D, STEP)
3D model files: x9c103sizt1-etched.step / x9c103sizt1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); x9c103sizt1.step / x9c103sizt1.glb are the bare package body.

Provenance

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

Datasheet: RENESAS datasheet (11 pp, sha256 25548de98d985cbd, 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