9 Mbit synchronous SRAM — 133 MHz, 256K x 36
The Infineon CY7C1361C-133AJXCT is a 9 Mbit synchronous SRAM organized as 256K words by 36 bits. The 133 MHz clock rate and 6.5 ns access time suit it for high-bandwidth data buffers in networking, telecom, and base-station line cards where the wide bus reduces the part count per memory bank.
Infineon lists the CY7C1361C-133AJXCT as Obsolete. Because the part is end-of-life, a last-time-buy window has closed.
Temperature grade and environment
It is not qualified for industrial or automotive thermal profiles, so an enclosure with active cooling or a controlled environment is assumed. Decoupling capacitance per the datasheet recommendation (not reproduced here) is critical at 133 MHz to keep supply noise within the 3.135 V to 3.6 V window.