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BU2090F-E2
Public Made by Adomby adom
ROHM Semicon Buffers, Drivers, Receivers, Transceivers, SOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownBU2090F-E2
ROHM Semicon · Buffers, Drivers, Receivers, Transceivers · SOP-16
BU2090F-E2 from ROHM Semicon, in a SOP-16. 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 | VSS | power_in | Ground pin (VSS=0V reference). |
| 2 | DATA | input | Serial data input; VIH min 3.5V and VIL max 1.5V at VDD=5V. |
| 3 | CLOCK | input | Serial clock input; VIH min 3.5V and VIL max 1.5V at VDD=5V. |
| 4 | Q0 | output | Parallel data output (Nch open-drain), output voltage 0 to 25V, VOL max 2.0V at IOL=20mA. |
| 5 | Q1 | output | Parallel data output (Nch open-drain), output voltage 0 to 25V, VOL max 2.0V at IOL=20mA. |
| 6 | Q2 | output | Parallel data output (Nch open-drain), output voltage 0 to 25V, VOL max 2.0V at IOL=20mA. |
| 7 | Q3 | output | Parallel data output (Nch open-drain), output voltage 0 to 25V, VOL max 2.0V at IOL=20mA. |
| 8 | Q4 | output | Parallel data output (Nch open-drain), output voltage 0 to 25V, VOL max 2.0V at IOL=20mA. |
| 9 | Q5 | output | Parallel data output (Nch open-drain), output voltage 0 to 25V, VOL max 2.0V at IOL=20mA. |
| 10 | Q6 | output | Parallel data output (Nch open-drain), output voltage 0 to 25V, VOL max 2.0V at IOL=20mA. |
| 11 | Q7 | output | Parallel data output (Nch open-drain), output voltage 0 to 25V, VOL max 2.0V at IOL=20mA. |
| 12 | Q8 | output | Parallel data output (Nch open-drain), output voltage 0 to 25V, VOL max 2.0V at IOL=20mA. |
| 13 | Q9 | output | Parallel data output (Nch open-drain), output voltage 0 to 25V, VOL max 2.0V at IOL=20mA. |
| 14 | Q10 | output | Parallel data output (Nch open-drain), output voltage 0 to 25V, VOL max 2.0V at IOL=20mA. |
| 15 | Q11 | output | Parallel data output (Nch open-drain), output voltage 0 to 25V, VOL max 2.0V at IOL=20mA. |
| 16 | VDD | power_in | Power supply pin, recommended 2.7V to 5.5V (absolute maximum 7.0V). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | ROHM Semicon |
| Package | SOP-16 |
| Category | Logic |
| Pins | 16 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Input High-level voltage | VIH | 3.5 | V | VDD=5V, VSS=0V, TA=25℃ | 3 | ||
| Input Low-level voltage | VIL | 1.5 | V | VDD=5V, VSS=0V, TA=25℃ | 3 | ||
| Output Low-level voltage | VOL | 2 | V | IOL=20mA | 3 | ||
| Input High-level current | IIH | 2 | μA | VIN=VDD | 3 | ||
| Input Low-level current | IIL | -2 | μA | VIN=0 | 3 | ||
| "H" output leak current | IOZH | 10 | μA | VO=25V | 3 | ||
| "L" output leak current | IOZL | -5 | μA | VO=0V | 3 | ||
| Static dissipation current | IDD | 5 | μA | 3 | |||
| Minimum clock frequency | tW | 500 | ns | VDD=5V, VSS=0V, TA=25℃ | 3 | ||
| Data shift set up time | tSU | 200 | ns | 3 | |||
| Data shift hold time | tH | 200 | ns | 3 | |||
| Data latch set up time | tLSUH | 50 | ns | 3 | |||
| Data latch hold time | tLHH | 250 | ns | 3 | |||
| Data latch "L" set up time | tLSUL | 200 | ns | 3 | |||
| Data latch "L" hold time | tLHL | 250 | ns | 3 | |||
| Power Supply Voltage | VDD | -0.3 | 7 | V | 2 | ||
| Input Voltage | VIN | -0.3 | V | VSS-0.3 to VDD+0.3 V (min relative to VSS) | 2 | ||
| Output Voltage | VO | -0.3 | 25 | V | VSS-0.3 to +25 V | 2 | |
| Operating Temperature | Topr | -40 | 85 | °C | 2 | ||
| Storage Temperature | Tstg | -55 | 125 | °C | 2 | ||
| Power Dissipation (Note 1) | PD | 0.5 | W | 70mm x 70mm x 1.6mm glass epoxy board, reduce 5.0mW per 1°C above 25°C | 2 | ||
| Power Dissipation (Note 2) | PD | 0.65 | W | 70mm x 70mm x 1.6mm glass epoxy board, reduce 6.5mW per 1°C above 25°C | 2 | ||
| Power supply voltage | VDD | 2.7 | 5.5 | V | TA=25℃, VSS=0V | 2 | |
| Output voltage | VO | 0 | 25 | V | TA=25℃, VSS=0V | 2 |
CAD (KiCad official)
- Symbol:
BU2090F-E2 - Footprint:
Package_SO:SOIC-16_3.9x9.9mm_P1.27mm - 3D model: SOP-16 (KiCad packages3D, STEP)
- 3D model files:
bu2090f-e2-etched.step/bu2090f-e2-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bu2090f-e2.step/bu2090f-e2.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: ROHM Semicon datasheet (17 pp, sha256
3bbb85a7a22a3aae, retrieved 2026-10-23, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text), consensusclaude-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).