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(Eng) PCIE – US2263XT

General Description

The US2263XT is 4-channel high-performance PCIe Gen3 x2 SSD controllers ideally suited

for cost-effective, small form factor and low power client SSDs. The US2263X features best-in-class

performance for mainstream PCIe NVMe client SSDs, while the DRAM-less design of US2263X reduces BOM

cost without compromising performance the Host Memory Buffer (HMB) architecture.

The US2263X solutions deliver high performance, better reliability, and more cost-effective PCIe SSD solutions.


  • High performance flash memory controller with 4-CH flash interface
  • Supports PCIe Gen3 x2 NVMe
  • Self-calibrated and embedded termination resistor at transmitter
  • Support power management
  • Flash interface support:
    • Built-in 4-channel NAND flash interface controller
    • UP to 32 flash chip selection and 8-bit flash IO access
  • NAND flash support:
    • Support Low Density Parity Check (LDPC) code
    • Support 2D and 3D MLC/TLC NAND type flash
    • Support flash with 8KB/16KB page architecture
    • Support four-plane operation
    • Support Toggle Mode flash
    • Support ONFI3.0/ONFI2.3/ONFI2.2/ONFI2.1/ONFI2.0 flash
  • Operating temperature:
    • Commercial grade: 0℃ ~ 70℃
  • Package
    • Support LFBGA (9 x 9 mm) 169-ball package
    • Lead-free and RoHS compliant