Non-volatile SRAM for parallel-bus data retention
The CY14B256KA-SP45XI is a 256Kbit NVSRAM organized as 32K x 8, combining SRAM-speed read/write with non-volatile storage that retains data when power is removed — no battery backup needed. With a 45 ns access time and 45 ns write cycle, this part matches the timing of standard parallel SRAM, so it drops into a memory slot that expects a 45 ns bus cycle without adding wait states.
Housed in a 48-BSSOP body (0.295-inch width, 7.50 mm) with a 48-SSOP supplier package code — surface-mount, 0.80 mm pitch typical for this footprint family. Supplied in tube packaging; the 48-SSOP outline is a standard JEDEC MO-118 variant, so existing land patterns for 48-pin SSOP-7.5 mm accept this part without a board spin.