Pinout ((install)): Ufs 3.1

Differential data lanes for sending information from the host to the storage device.

UFS 3.1 (Universal Flash Storage) standard, published by JEDEC as JESD220E, utilizes a high-speed serial interface designed to balance massive throughput with minimal power consumption. While standard storage like eMMC uses a parallel interface with many pins, UFS 3.1 employs a low pin-count serial interface

The UFS 3.1 pinout is divided into several functional groups:

These pins send differential data from the storage chip back to the host processor. 2. Power Supply Lines ufs 3.1 pinout

This guide summarizes the common UFS (Universal Flash Storage) 3.1 BGA/module pinout conventions and signal descriptions for system designers. Assume typical mobile-device connector or BGA module mapping; exact pin names and positions depend on vendor/module footprint — always consult the module/datasheet for final layout and electrical details.

Universal Flash Storage (UFS) 3.1 has established itself as the standard for high-performance mobile devices, offering lightning-fast read/write speeds, reduced power consumption, and improved command queuing over its predecessors. Central to integrating this technology into smartphones, tablets, and automotive systems is understanding the .

I'm currently working on a trace repair for a mainboard with a UFS 3.1 storage chip. The pads are damaged, and I'm having trouble identifying the specific TX/RX differential pairs under the microscope. Differential data lanes for sending information from the

Note: For exact structural routing, always refer to the specific manufacturer datasheet for the exact part number you are servicing. UFS 3.1 vs. Previous Generations: Pin Changes

| Pin Number | Pin Name | Description | | --- | --- | --- | | 1 | VDD | Power supply voltage | | 2 | VSS | Ground | | 3 | REFCLK | Reference clock | | 4 | REFCLK | Reference clock (complement) | | 5 | DNC | Do not care (reserved) | | 6 | DNC | Do not care (reserved) | | 7 | RXD0 | Receive data 0 | | 8 | RXD1 | Receive data 1 | | 9 | RXD2 | Receive data 2 | | 10 | RXD3 | Receive data 3 | | 11 | TXD0 | Transmit data 0 | | 12 | TXD1 | Transmit data 1 | | 13 | TXD2 | Transmit data 2 | | 14 | TXD3 | Transmit data 3 | | 15 | CBT | Control signal ( Command, BE and Transfer) | | 16 | VSS | Ground |

Data Input 1 (True/Complement). Differential input lane 1 (used for 2-lane configurations). Universal Flash Storage (UFS) 3

Data Input 0 (True/Complement). Differential data input lane 0.

Always use the exact module datasheet and reference design; UFS physical pinouts and required rails are vendor-specific. For implementation, base your PCB and power sequencing on the manufacturer’s documents.