In the field of security surveillance,the fluency of images and the integrity of data recording directly impact the effectiveness of security.An appropriate memory chip is often the key to determining the performance of a camera.The CSS6404SS,a domestic pSRAM product launched by CascadeTeq,provides a cache option that balances power consumption and speed for such devices.
 

CSS6404SS is a 64 Mbit QSPI pSRAM,utilizing an 8 M×8 bit organizational architecture,powered by a single 1.8 V supply,and housed in a standard 150 mil SOP-8 package.It supports industrial operating temperatures ranging from-40°C to+85°C.The standout feature of CSS6404SS is its integrated self-refresh logic,eliminating the need for an external DRAM controller and simplifying hardware design.High-speed communication can be achieved with just a 4-wire SPI interface(CLK/CE#/SIO[3:0]).The 50ΩLVCMOS output directly matches the IO level of the MCU,making it both PCB layout-friendly and cost-effective for BOM.
 

The CSS6404SS chip supports 133 MHz 32-byte wraparound burst reads,achieving a continuous bandwidth of up to 84 MB/s.When recording uncompressed 1080P or even 2K videos continuously in smart security cameras,this bandwidth is sufficient to handle real-time writing of uncompressed video streams,preventing frame loss or image stuttering.The measured dynamic operating current of the CSS6404SS does not exceed 7 mA,with a standby current of approximately 250µA,and only 100µA in Halfsleep mode.For outdoor security cameras powered by solar energy or battery backup,low power consumption can increase standby time and reduce heat dissipation pressure.
 

RAMSUN is a reliable partner specializing in electronic components and storage technology.We leverage original factory resources and specialize in the supply and solution design of storage chips,semiconductor products,microcontrollers,Bluetooth chips,and micro switches.Leveraging our professional industry experience and technical support team,we ensure you receive expert assistance during the product selection and R&D stages,ensuring the success of your product.If you have any needs for Cascadeteq's domestic pSRAM,please feel free to contact us.