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PI6ULS5V9509UEX

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Diodes Incorporated Translators, Level Shifters, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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PI6ULS5V9509UEX

Diodes Incorporated · Translators, Level Shifters · MSOP-8

PI6ULS5V9509UEX from Diodes Incorporated, 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 VCC(A) power_in Port A supply voltage, which the datasheet specifies as 1.1 V minimum and VCC(B) − 1.0 V maximum.
2 A1 bidirectional Port A (lower-voltage side) I/O that follows B1 when EN is HIGH and is disabled when EN is LOW.
3 A2 bidirectional Port A (lower-voltage side) I/O that follows B2 when EN is HIGH and is disabled when EN is LOW.
4 GND power_in Supply ground at 0 V, the reference for all supply and input limits.
5 EN input Active-HIGH repeater enable input, with VIH of 0.9×VCC(A) to VCC(B) and VIL of −0.5 V to 0.1×VCC(A).
6 B2 bidirectional Port B (SMBus/I2C-bus side) I/O paired with A2, with VOL of 0.2 V maximum at IOL = 6 mA.
7 B1 bidirectional Port B (SMBus/I2C-bus side) I/O paired with A1, with VOL of 0.2 V maximum at IOL = 6 mA.
8 VCC(B) power_in Port B supply voltage, which the datasheet specifies as 2.5 V to 5.5 V.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package MSOP-8
Category Logic
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
Supply voltage port B VCC(B) 2.5 5.5 V 3
Supply voltage port A VCC(A) 1.1 V 3
Supply current on pin VCC(A), all port A static HIGH ICC(A) 0.25 0.45 0.9 mA all port A static HIGH 3
Supply current on pin VCC(A), all port A static LOW ICC(A) 1.25 3 5 mA all port A static LOW 3
Supply current on pin VCC(B), all port B static HIGH ICC(B) 0.5 0.9 1.1 mA all port B static HIGH 3
Ambient temperature Tamb -40 85 °C GND = 0 V; unless otherwise specified 3
Storage temperature -55 125 °C 3
Supply voltage port B -0.5 6 V 3
Supply voltage port A -0.5 6 V 3
DC input voltage -0.5 6 V 3
Control input voltage (EN) -0.5 6 V 3
Total power dissipation (printed as 100mA) 100 mA 3
Input/output current (port A & B) 20 mA 3
Input current (EN, VCC(A), VCC(B), GND) 20 mA 3
Input LOW voltage, port A (falling edge) VIL -0.5 0.3 V 4
LOW-level input voltage contention (static LOW) VILc -0.5 0.15 V 4
Input clamping voltage, port A VIK -1.5 -0.5 V IL = -18 mA 4
Input leakage current, port A ILI -1 1 μA VI = VCC(A) 4
LOW-level input current, port A (SDA, SCL) IIL -1.5 -1 -0.45 mA SDA, SCL; VI = 0.2 V 4
LOW-level output voltage, port A VOL 0.18 0.25 V VCC(A) = 0.95 V to 1.2V 4
LOW-level output voltage, port A VOL 0.2 0.3 V VCC(A) > 1.2V to (VCC(B) − 1 V) 4
HIGH-level output leakage current, port A ILOH 10 μA VO = VCC(A) 4
Input clamping voltage, port B VIK -1.5 -0.5 V II = -18 mA 4
Input leakage current, port B ILI -1 1 μA VI = 3.6 V 4
LOW-level input current, port B IIL 10 μA VI = 0.2 V 4
LOW-level output voltage, port B VOL 0.1 0.2 V IOL = 6 mA 4
HIGH-level output leakage current, port B ILOH 10 μA VO = 3.6 V 4
LOW-level input voltage, port B VIL -0.5 V 4
LOW-level input current, EN IIL -1 1 μA VI = 0.2 V, EN; VCC = 3.6 V 4
Input leakage current, EN ILI -1 1 μA VI = VCC 4
LOW-to-HIGH propagation delay, port B to port A tPLH 65 216 ns VCC(A) = 1.1 V; VCC(B) = 3.3 V 5
HIGH-to-LOW propagation delay, port B to port A tPHL 25 140 ns VCC(A) = 1.1 V; VCC(B) = 3.3 V 5
LOW to HIGH output transition time, port A tTLH 14 22 96 ns VCC(A) = 1.1 V; VCC(B) = 3.3 V 5
LOW to HIGH propagation delay, port A to port B tPLH -69 -139 ns VCC(A) = 1.1 V; VCC(B) = 3.3 V 5
LOW to HIGH propagation delay, port A to port B (from 50 % of initial LOW on port A to 1.5 V rising on port B) tPLH2 100 226 ns VCC(A) = 1.1 V; VCC(B) = 3.3 V; measured from 50 % of initial LOW on port A to 1.5 V rising on port B 5
HIGH to LOW propagation delay, port A to port B tPHL 20 50 183 ns VCC(A) = 1.1 V; VCC(B) = 3.3 V 5
HIGH to LOW output transition time, port B tTHL 1 2 40 ns VCC(A) = 1.1 V; VCC(B) = 3.3 V 5
Set-up time, EN HIGH before START condition tsu 100 ns VCC(A) = 1.1 V; VCC(B) = 3.3 V; EN HIGH before START condition 5
Hold time, EN HIGH after STOP condition th 100 ns VCC(A) = 1.1 V; VCC(B) = 3.3 V; EN HIGH after STOP condition 5
LOW-to-HIGH propagation delay, port B to port A tPLH 75 216 ns VCC(A) = 1.9 V; VCC(B) = 5.0 V 5
HIGH-to-LOW propagation delay, port B to port A tPHL 20 140 ns VCC(A) = 1.9 V; VCC(B) = 5.0 V 5
LOW to HIGH output transition time, port A tTLH 14 27 96 ns VCC(A) = 1.9 V; VCC(B) = 5.0 V 5
LOW to HIGH propagation delay, port A to port B (from 50 % of initial LOW on port A to 1.5 V rising on port B) tPLH2 91 226 ns VCC(A) = 1.9 V; VCC(B) = 5.0 V; measured from 50 % of initial LOW on port A to 1.5 V rising on port B 5

CAD (KiCad official)

  • Symbol: PI6ULS5V9509UEX
  • Footprint: Package_SO:MSOP-8_3x3mm_P0.65mm
  • 3D model: MSOP-8 (KiCad packages3D, STEP)
  • 3D model files: pi6uls5v9509uex-etched.step / pi6uls5v9509uex-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); pi6uls5v9509uex.step / pi6uls5v9509uex.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (11 pp, sha256 ffe1a93b3990ba75, retrieved 2026-10-20, tier: lcsc)
  • 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