Tsum1pfrlf Datasheet: Verified

A maintenance engineer in 2023 attempted to repair an industrial LCD monitor from 2008. The board listed “TSUM1PFRLF” near the LVDS connector.

Verification process:

Outcome: The verified datasheet was the Toshiba TC7W74FK datasheet, not any file named “TSUM1PFRLF.” tsum1pfrlf datasheet verified

The TSUM1PFRLF is an AMLCD (Active Matrix LCD) controller with the following verified characteristics: A maintenance engineer in 2023 attempted to repair

  • Output Interface:
  • Video Processing:
  • Package Type: Available in a QFP (Quad Flat Package), usually high-pin-count (e.g., 128-pin or 256-pin variants) to accommodate the multiple interfaces.
  • Operating Voltage: Typically requires core voltages of 1.8V, 2.5V, or 3.3V, and I/O voltages of 3.3V.

    • Counterfeit datasheets are increasingly common for obscure parts. Fraudsters create fake PDFs that mimic legitimate ones but contain wrong pinouts or ratings. Follow these rules: Outcome: The verified datasheet was the Toshiba TC7W74FK

    The LF suffix indicates RoHS compliance. Verify by checking the component’s surface finish (matte tin rather than shiny tin-lead) and searching for “Pb-free” in the datasheet’s ordering information table.

    Technicians verifying this component typically look for: