CascadeTeq QSPI pSRAM CSS3204SU-LI-A2
CSS3204SU-LI-A2
CSS3204SU-LI-A2 is a 32 Mbit (4 M × 8) QSPI pSRAM that runs from a single 1.8 V supply and comes in an ultra-compact USON-8 2 mm × 3 mm package. Operating at up to 133 MHz SDR, it combines the fast response of SRAM with the high density of DRAM, while drawing only ~1 µA in standby. An on-chip self-refresh engine eliminates the need for an external DRAM controller, and the device is ISO/AEC qualified. It is ideal for power-sensitive, space-constrained applications such as smart wearables, AIoT nodes, and automotive electronics.
Since its founding in 2009 in Hsinchu, Taiwan, CascadeTeq has focused on low-pin-count pSRAM and partnered with PSMC to mass-produce 16–256 Mb devices on a 25 nm DRAM process, certified to ISO 9001 and AEC-Q100. Its SQPI/Octal DDR interface delivers 3.2 Gbps at 200 MHz, on-die self-refresh eliminates external controllers, standby is only 5 µA and active current <5 mA; housed in 2 mm×3 mm USON/QFN, 1.8–3.3 V single supply and –40 °C to +105 °C operation combine high speed, low power and tiny size at competitive cost. Already shipping in smart cameras, industrial gateways, wearables and in-vehicle voice modules, it has become the mainstream cache solution for AIoT and automotive applications, with Mandu Technology providing comprehensive storage solutions and support.
--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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