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SparkFun Logic Level Converter - Bi-Directional

BOB-12009 · SparkFunActive

SparkFun Logic Level Converter - Bi-Directional photo
SparkFun Logic Level Converter - Bi-Directional illustration

The SparkFun bi-directional logic level converter is a small device that safely steps down 5V signals to 3.3V AND steps up 3.3V to 5V at the same time. (SparkFun BOB-12009)

Part numberBOB-12009
ManufacturerSparkFun
CategoryInterface & Expansion › Level Shifters
Pins12
Voltage (max)5 V
Voltage (min)3.3 V

SparkFun Logic Level Converter - Bi-Directional pinout

PinNameTypeDescription
1HV1bidirectional
2HV2bidirectional
3HVbidirectional
4GNDground
5HV3bidirectional
6HV4bidirectional
7LV1bidirectional
8LV2bidirectional
9LVbidirectional
10GNDground
11LV3bidirectional
12LV4bidirectional

Schematic symbol and footprint

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Footprint: Bi-Directional Logic Level Converter (header pads) — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.

Datasheet

Where to buy

SupplierStockPriceStatus
Mouser1,573$3.95 (1+)View
DigiKey3,375$3.95 (1+)ActiveView

Stock and prices from the suppliers, checked 2026-10-08; excluding tax and shipping.

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