36 Mbit QDR-II SRAM — what it is and where it fits
The CY7C1413JV18-200BZXI is a 36 Mbit synchronous QDR-II SRAM from Cypress (now Infineon), organized as 2M×18 and clocked at 200 MHz. It uses a parallel memory interface and operates from a 1.7 V to 1.9 V supply. The QDR-II architecture eliminates bus-turnaround dead cycles by dedicating separate read and write data ports, making it a fit for high-throughput buffer applications in networking switches, telecom line cards, and test equipment where back-to-back read-write throughput matters.
200 MHz clock — what it means for the bus
At 200 MHz, the QDR-II interface operates at double data rate on each clock edge. The 1.7 V to 1.9 V supply keeps I/O levels compatible with low-voltage ASIC or FPGA banks.
Industrial temperature range — deployment context
Rated for −40°C to 85°C ambient, this part is suited for outdoor telecom cabinets, industrial controllers, and test-floor instrumentation. Not rated for under-hood automotive or downhole environments — those would need an extended-range or AEC-Q100 qualified SRAM. The 165-LBGA (15×17 mm) footprint is a standard BGA for high-density memory; plan for X-ray inspection and rework capability if hand-assembling prototypes.