component

DS18B20U-MS

Public Made by Adom

by adom

MSKSEMI Temperature Sensors, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentsensorsds18b20u-msfactory-2.0.0extractor-text

Verified DS18B20U-MS

by Ray · last 4 Nov 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

4 Nov 2026RayPublished by the parts factory: tier lcsc, 8 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: DS18B20U-MS · MSOP-8 · 8 pins
  • ✓copper: 8 copper pads, none touching another net
  • ✓datasheet: all 8 pin names found in the 27-page datasheet
  • •distributor (warn): no ['digikey', 'mouser'] number
  • ✓family: MSOP-8_3x3mm_P0.65mm
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-59hc2w5t/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 2 records
  • •package_fit (skip): no component.package_dims on the page: the model is unchecked against the datasheet drawing
  • ✓pads: 8 pins = 8 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 8 pins agree
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ ds18b20u-ms.kicad_sym✓ ds18b20u-ms.kicad_mod✓ ds18b20u-ms.step
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Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray
viewers ds18b20u-ms: viewers · Ray
ds18b20u-ms-etched.glb Publish 0.1.0 · Ray
ds18b20u-ms-etched.step ds18b20u-ms: factory component page (tier=lcsc) · Ray
ds18b20u-ms-hero.glb ds18b20u-ms: hero GLB from the etched model (keeps the MPN mark) · Ray
ds18b20u-ms-hero.overlay.json Publish 0.1.0 · Ray
ds18b20u-ms.glb Publish 0.1.0 · Ray
ds18b20u-ms.kicad_mod Publish 0.1.0 · Ray
ds18b20u-ms.kicad_sym Publish 0.1.0 · Ray
ds18b20u-ms.lbr Publish 0.1.0 · Ray
ds18b20u-ms.step Publish 0.1.0 · Ray
package.json Publish 0.1.0 · Ray
page.json Set visibility: public · Ray
README.md Publish 0.1.0 · Ray
verification.json Verified: Published by the parts factory: tier lcsc, 8 pins · Ray

DS18B20U-MS

MSKSEMI · Temperature Sensors · MSOP-8

DS18B20U-MS from MSKSEMI, in a MSOP-8. 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 DQ bidirectional Data input/output pin of the 1-Wire bus, open-drain, requiring a pull-up of about 5 kΩ (4.7 kΩ in the typical circuits); in parasitic-power mode it also powers the device.
2 N.C. unconnected Not connected; leave empty or unconnected.
3 N.C. unconnected Not connected; leave empty or unconnected.
4 GND power_in Ground pin, the voltage reference for all other pins.
5 N.C. unconnected Not connected; leave empty or unconnected.
6 N.C. unconnected Not connected; leave empty or unconnected.
7 N.C. unconnected Not connected; leave empty or unconnected.
8 VDD power_in Supply pin for external power, 2.5 V to 5.5 V; it must be connected to GND when the device runs in parasitic-power mode.

Key specifications

Parameter Value
Manufacturer MSKSEMI
Package MSOP-8
Category Sensors
Pins 8

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
供电电压 (supply voltage, local supply) VDD 2.5 5.5 V 局部供电 20
上拉供电电压 (pull-up supply, parasitic) VPU 2.5 5.5 V 寄生供电 20
上拉供电电压 (pull-up supply, local supply) VPU 2.5 V 局部供电 20
温度误差 (temperature error) tERR -0.4 0.4 ℃ -10℃~+85℃ 20
温度误差 (temperature error) tERR -1.2 1.2 ℃ -55℃~+125℃ 20
输入逻辑低电平 (input low voltage) VIL -0.3 0.8 V 20
输入逻辑高电平 (input high voltage, local supply) VIH 2.2 V 局部供电 20
输入逻辑高电平 (input high voltage, parasitic) VIH 2.5 V 寄生供电 20
灌电流 (sink current) IL 4 mA VI/O = 0.4V 20
待机电流 (standby current) IDDS 750 1000 nA 注7: 70℃时定义 20
工作电流 (operating current) IDD 1 1.5 mA VDD = 5V 20
漂移 (drift) -0.2 0.2 ℃ 注11: +125°C电源电压VDD = 5.5V测试1000小时 20
NV Write Cycle Time tWR 8 12 ms 21
EEPROM Writes NEEWR 1000 writes -55°C to +55°C 21
EEPROM Data Retention tEEDR 10 years -55°C to +55°C 21
Temperature Conversion Time (9-bit resolution) tCONV 50 ms 9-bit resolution 21
Temperature Conversion Time (10-bit resolution) tCONV 100 ms 10-bit resolution 21
Temperature Conversion Time (11-bit resolution) tCONV 200 ms 11-bit resolution 21
Temperature Conversion Time (12-bit resolution) tCONV 400 ms 12-bit resolution 21
Time to Strong Pullup On tSPON 10 µs Start Convert T Command Issued 21
Time Slot tSLOT 60 120 µs 21
Recovery Time tREC 1 µs 21
Write 0 Low Time tLOW0 60 120 µs 21
Write 1 Low Time tLOW1 1 15 µs 21
Read Data Valid tRDV 15 µs 21
Reset Time High tRSTH 480 µs 21
Reset Time Low tRSTL 1 ms 21
Presence-Detect High tPDHIGH 15 60 µs 21
Presence-Detect Low tPDLOW 60 240 µs 21
各引脚对地的电压范围 (voltage on any pin to ground) -0.5 6 V 20
工作温度范围 (operating temperature range) -55 125 ℃ 20
储存范围 (storage temperature range) -55 125 ℃ 20
DQ输入电流 (DQ input current) IDQ 5 μA 注10: DQ数据线为高（高阻态） 20
Capacitance CIN/OUT 25 pF 21

CAD (KiCad official)

  • Symbol: DS18B20U-MS
  • Footprint: Package_SO:MSOP-8_3x3mm_P0.65mm
  • 3D model: MSOP-8 (KiCad packages3D, STEP)
  • 3D model files: ds18b20u-ms-etched.step / ds18b20u-ms-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ds18b20u-ms.step / ds18b20u-ms.glb are the bare package body.

Provenance

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

  • Datasheet: MSKSEMI datasheet (27 pp, sha256 156483e27765d780, retrieved 2026-11-04, 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