# PR4538DW Row Decoder (Component) ## Description A 20-pin LED display interface IC that provides 2-to-4 line row decoding and data buffering for matrix scanning. ## Component Details - **Owner:** pcbxpres - **Created:** 2/24/2026 - **Last Updated:** 2/24/2026 - **Visibility:** Public - **Manufacturer Part Number:** PR4538DW - **Used in:** 1 project - **MPN:** PR4538DW - **Package / Case Code:** TO - **Pin Count:** 20 ## Pins | Pin | Name | Type | |-----|------|------| | - | A_IN | | | - | A_OUT0 | | | - | B_IN | | | - | B_OUT0 | | | - | CLK_IN | | | - | CLK_OUT0 | | | - | CLK_OUT1 | | | - | CLK_OUT2 | | | - | GND | | | - | LD_IN | | | - | LD_OUT0 | | | - | LD_OUT1 | | | - | LINE0 | | | - | LINE1 | | | - | LINE2 | | | - | LINE3 | | | - | OEB_IN | | | - | OEB_OUT0 | | | - | OEB_OUT1 | | | - | VDD | | --- *Generated from [https://www.flux.ai/pcbxpres/pr4538dw-row-decoder](https://www.flux.ai/pcbxpres/pr4538dw-row-decoder)*