CascadeTeq QSPI pSRAM CSS3204SU-L-A2
CSS3204SU-L-A2
CSS3204SU-L-A2 is a 32-Mbit QSPI pSRAM from CascadeTeq, organized as 4 Mbit × 8 and delivered in a 1.8 V USON-8 package. The QSPI interface provides high-speed data transfer, while the ultra-small USON-8 footprint meets the integration demands of miniature devices. Operating at 1.8 V further minimizes power consumption. It is ideal for applications that need moderate memory density and emphasize compact size and energy efficiency such as small, low-power IoT devices and wearable electronics reliably buffering and quickly accessing data.
CascadeTeq pSRAM is a pseudo-static RAM family purpose-built for “high-speed cache + tiny footprint + ultra-low power” scenarios. Fabricated on a 25 nm DRAM process, it replaces the traditional DRAM controller with on-die self-refresh and presents a simple SPI/QSPI/Octal-DDR interface, allowing an MCU to achieve burst bandwidths of 480 Mbps to 3.2 Gbps over only 4–8 pins. Densities span 16 Mb to 256 Mb, packages shrink to 2 mm × 3 mm USON-8, and the devices operate from –40 °C to +105 °C with full AEC-Q100 qualification for automotive or harsh outdoor applications. In mainland China, CascadeTeq is professionally represented by Shenzhen Mandu Technology, which provides device selection guidance, technical support, and rapid sample service to shorten customer development cycles.
--16Mb QSPI pSRAM--
| Part Number | Product Type | Density | Org. | Pkg. | Voltage | Download |
| CSS1604LU-M | QSPI pSRAM | 16Mbit | 8Mbx8 | USON-8 | 3.3V | Not yet |
| CSS1604LS-M | QSPI pSRAM | 16Mbit | 8Mbx8 | SOP-8 | 3.3V | Not yet |
| CSS1604LS-MJ | QSPI pSRAM | 16Mbit | 8Mbx8 | SOP-8 | 3.3V | Not yet |
| CSS1604LQ | QSPI pSRAM | 16Mbit | 8Mbx8 | QFN-16 | 3.3V | Not yet |
| CSS1604SU-M | QSPI pSRAM | 16Mbit | 8Mbx8 | USON-8 | 1.8V | Not yet |
| CSS1604SU-MI | QSPI pSRAM | 16Mbit | 8Mbx8 | USON-8 | 1.8V | Not yet |
| CSS1604SS-M | QSPI pSRAM | 16Mbit | 8Mbx8 | SOP-8 | 1.8V | Not yet |
| CSS1604SS-MI | QSPI pSRAM | 16Mbit | 8Mbx8 | SOP-8 | 1.8V | Not yet |
| CSS1604SS-MJ | QSPI pSRAM | 16Mbit | 8Mbx8 | SOP-8 | 1.8V | Not yet |
| CSS1604SQ | QSPI pSRAM | 16Mbit | 8Mbx8 | QFN-16 | 1.8V | Not yet |
| CSS1604SB | QSPI pSRAM | 16Mbit | 2Mbx8 | BGA-24 | 1.8V | Not yet |
--32Mb QSPI pSRAM--
| Part Number | Product Type | Density | Org. | Pkg. | Voltage | Download |
| CSS3204LU-L-A2 | QSPI pSRAM | 32Mbit | 4Mbx8 | USON-8 | 3.3V | Not yet |
| CSS3204LU-LE-A2 | QSPI pSRAM | 32Mbit | 4Mbx8 | USON-8 | 3.3V | Not yet |
| CSS3204LS-L-A2 | QSPI pSRAM | 32Mbit | 4Mbx8 | SOP-8 | 3.3V | Not yet |
| CSS3204LS-LI-A2 | QSPI pSRAM | 32Mbit | 4Mbx8 | SOP-8 | 3.3V | Not yet |
| CSS3204LS-LJ-A2 | QSPI pSRAM | 32Mbit | 4Mbx8 | SOP-8 | 3.3V | Not yet |
| CSS3204SU-L-A2 | QSPI pSRAM | 32Mbit | 4Mbx8 | USON-8 | 1.8V | Not yet |
| CSS3204SU-LI-A2 | QSPI pSRAM | 32Mbit | 4Mbx8 | USON-8 | 1.8V | Not yet |
| CSS3204SS-L-A2 | QSPI pSRAM | 32Mbit | 4Mbx8 | SOP-8 | 1.8V | Not yet |
| CSS3204SS-LI-A2 | QSPI pSRAM | 32Mbit | 4Mbx8 | SOP-8 | 1.8V | Not yet |
| CSS3204SS-LJ-A2 | QSPI pSRAM | 32Mbit | 4Mbx8 | SOP-8 | 1.8V | Not yet |
--64Mb QSPI pSRAM--
| Part Number | Product Type | Density | Org. | Pkg. | Voltage | Download |
| CSS6404LU-L | QSPI pSRAM | 64Mbit | 8Mbx8 | USON-8 | 3.3V | Not yet |
| CSS6404LS-L | QSPI pSRAM | 64Mbit | 8Mbx8 | SOP-8 | 3.3V | Not yet |
| CSS6404LS-LI | QSPI pSRAM | 64Mbit | 8Mbx8 | SOP-8 | 3.3V | Not yet |
| CSS6404LS-LJ | QSPI pSRAM | 64Mbit | 8Mbx8 | SOP-8 | 3.3V | Not yet |
| CSS6404SU-L | QSPI pSRAM | 64Mbit | 8Mbx8 | USON-8 | 1.8V | Not yet |
| CSS6404SU-LE | QSPI pSRAM | 64Mbit | 8Mbx8 | USON-8 | 1.8V | Not yet |
| CSS6404SS-L | QSPI pSRAM | 64Mbit | 8Mbx8 | SOP-8 | 1.8V | Not yet |
| CSS6404SS-LI | QSPI pSRAM | 64Mbit | 8Mbx8 | SOP-8 | 1.8V | Not yet |
| CSS6404SS-LJ | QSPI pSRAM | 64Mbit | 8Mbx8 | SOP-8 | 1.8V | Not yet |
--128Mb QSPI pSRAM--
| Part Number | Product Type | Density | Org. | Pkg. | Voltage | Download |
| CSS12804SQ | QSPI pSRAM | 128Mbit | 16Mbx8 | QFN-16 | 1.8V | Not yet |
| CSS12804SB | QSPI pSRAM | 128Mbit | 16Mbx8 | BGA-24 | 1.8V | Not yet |
| CSS12804SU-O | QSPI pSRAM | 128Mbit | 16Mbx8 | USON-8 | 1.8V | Not yet |
| CSS12804SU-O1 | QSPI pSRAM | 128Mbit | 16Mbx8 | USON-8 | 1.8V | Not yet |
| CSS12804SS-O | QSPI pSRAM | 128Mbit | 16Mbx8 | SOP-8 | 1.8V | Not yet |
| CSS12804SS-O1 | QSPI pSRAM | 128Mbit | 16Mbx8 | SOP-8 | 1.8V | Not yet |
| CSS12804SS-OJ | QSPI pSRAM | 128Mbit | 16Mbx8 | SOP-8 | 1.8V | Not yet |
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