High-speed Bidirectional 8-Channel Level Shifter for Inter-IC Communications

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level shifter
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New bidirectional 8-Channel level shifter from Diodes Incorporated supports a wide range of PC or consumer interfaces including GPIO, MDIO, SDIO, UART, SMBus, PMBus, I2C, and SPI.

Diodes has announced the PI4ULS5V108, an 8-channel, high speed, bi-directional level shifter designed for inter-IC communications between devices operating on different voltage supply rails. Targeted applications include PC, servers, networking, telecom, and consumer electronics.

8-bit bi-directional level shifter for open-drain and push-pull applications

According to the company, the PI4ULS5V108 supports up to 100 MHz up-translation and greater than 100 MHz down-translation at ≤30pF capacitive load. This allows it to support a wide range of PC or consumer interfaces including GPIO, MDIO, SDIO, UART, SMBus, PMBus, I2C, and SPI. It provides voltage level shifting without direction pin control, which minimizes system effort.

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This level shifter operates between <0.9V and 5V across eight I/O channels, each of which can be configured with different voltage translation levels for system flexibility.

On-resistance is very low, yielding minimal signal distortion, while the wider translation voltage range of the PI4ULS5V108 suits consumer interfaces.

Enable and I/O pins are ESD protected (8kV HBM and 1kV CDM).

Key features & benefits of the new 8-bit level shifter

  • Supports up to 100 MHz
    High performance
  • Allows bidirectional voltage translation between 0.95 V to 3.3 V
    Wide range voltage support
  • Low standby current
    Power efficiency
  • Low RDS(on) reduces signal distortion
    Higher quality signals
  • I/O port tolerant to SV signals allowing TTL signals interface
    Flexible design

Applications

  • Mobile phones and other portable devices
  • SMBus, PMBus, I2C
  • GPIO, MDIO, SDIO, SVID, UART, and SPI
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Availability

The 8-bit PI4ULS5V108 is available in the 20-pin TSSOP, or 20-pin VQFN 2.5mm x 4.5mm packages, both available on 13” reels.

The PI4ULS5V108 is available at $1.25 in 3000 unit quantities.

Further information is available here.

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