The R1QEA7236ABB-20IB0 is a standard synchronous SRAM organized as 2Mx36 bits, with a 0.45 ns access time. It is designed for high-speed cache or buffer memory in networking, telecom, and test equipment where deterministic read/write latency matters more than density. The 36-bit word width suits 32-bit data buses with parity or ECC overhead.
A 0.45 ns access time means this part can keep up with a fast synchronous bus without inserting wait states. In a system clocked at, say, 200 MHz (5 ns period), the SRAM responds well within a single cycle, leaving margin for board trace delays and clock skew. If your design is pushing 400 MHz+ or needs back-to-back read-write turnaround, you might be looking at a QDR or NoBL architecture instead — this is a standard synchronous SRAM, not a high-bandwidth specialist.
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