RS1G32LS5D2FDB-31BT

The Rayson RS1G32LS5D2FDB-31BT is a mobile LPDDR5 SDRAM in the 1G32 organization (1 Gig × 32, built from two 16 Gb single-channel dies in package), running up to 6400 Mb/s per pin.

Key figures

• Organization: 1 Gig × 32 across two channels × 16 I/O (1G16 × 2 die in package); by our arithmetic this is about 4 GB per package.
• Data rate: 6400 Mb/s per pin (speed code 31), with a 12.8 GB/s maximum bandwidth per channel and a WCK:CK ratio of 4:1.
• Architecture: LPDDR5, 16n-bit (or 32n-bit) prefetch, 8-bank / bank-group / 16-bank modes.
• Supplies: VDD1 1.80 V, VDD2H 1.05 V, VDD2L 0.90 V, VDDQ 0.50 V (0.30 V with ODT off).
• Package: 315-ball FBGA, 12.4 mm × 15 mm (package code DB, seated height 1.1 mm max).
• Operating temperature range: -25°C to +85°C.

Grade note

This ordering code lists only a -25°C to +85°C operating range and makes no vehicle-grade claim; we tag it Extended accordingly. No vehicle-grade qualification is asserted anywhere on this page.

Provenance

Every figure above is taken from Rayson “LPDDR5 Datasheet RS1G32LS5D2FDB-31BT” Rev.1.2 (Dec. 3. 2025), 20 页 (cover, feature overview §1.1, package dimension §2.4, and the part-number decoding §3.1). We link no public datasheet because our copy has not been byte-verified against a manufacturer-hosted download.

Who makes it

Rayson is the brand of 深圳市晶存科技股份有限公司 (Rayson HI-TECH(SZ) Co., Ltd.), which its own company profile states was founded in 2016 in Shenzhen as a national high-tech memory company.