Ufs 3.1 Pinout Jun 2026

| Signal Group | Pin (Lane 0) | Pin (Lane 1) | Description | Differential Impedance | | :--- | :--- | :--- | :--- | :--- | | | R1 (DOUT_T0_P) R2 (DOUT_T0_M) | M1 (DOUT_T1_P) M2 (DOUT_T1_M) | Device Transmit to Host. Positive (P) and Negative (M) diff pair. | 100Ω ±10% | | RX (Host to Device) | T2 (DIN_T0_P) T3 (DIN_T0_M) | P1 (DIN_T1_P) P2 (DIN_T1_M) | Device Receive from Host. Positive and Negative diff pair. | 100Ω ±10% | | REF_CLK | K1 (REF_CLK_P) K2 (REF_CLK_N) | N/A | Differential reference clock (19.2 MHz, 26 MHz, or 38.4 MHz) from host. | 100Ω |

One of the most critical aspects of the UFS 3.1 pinout for engineers and repair technicians is the power supply. UFS devices typically require two distinct voltage rails to operate efficiently. ufs 3.1 pinout

UFS 3.1 supports Gear 4, which allows for two lanes of data transmission. Each lane consists of two differential pairs (one for TX, one for RX), totaling four differential pairs for the maximum bandwidth configuration. | Signal Group | Pin (Lane 0) |

For data recovery or forensic tasks, "ISP" refers to soldering directly to specific test points on a PCB rather than the full BGA grid. Common ISP connections for UFS 3.1 include: VCC & VCCQ TX0_P/N & RX0_P/N (Data Lane 0) Some UFS 3.1 implementations require a 10-ohm resistor Positive and Negative diff pair

By understanding the UFS 3.1 pinout and its architecture, designers, engineers, and developers can take advantage of the latest storage technologies and develop high-performance storage systems that meet the demands of today's applications.

Universal Flash Storage (UFS) 3.1: Technical Architecture and Pinout Analysis