PI2DPT821 Retimer Diodes Incorporated PI2DPT821 Retimer is a bit-level retimer with receiver adaptive CTLE and transmitter 2-tap equalization. This retimer can compensate for channel loss up to -18dB for 4.05GHz signal transmission. The PI2DPT821 supports DP1.4 and USB3.2 Gen1 standards for USB Type-C® DP ALT mode operation. Available in operation configurations like programmable through the I2C interface to select 4-lane DP, 2-lane DP/1-lane USB3.2 Gen1, and one or 2-lane USB3.2 Gen1. This bit-level retimer uses the standard 1.8V Vdd power supply for good power-saving management. The PI2DPT821 retimer complies with USB link power management states for active mode (U0) and power saving mode (U1, U2, and U3).