18 Mbit synchronous SRAM for high-throughput data buffering
At 133 MHz the 4.2 ns access time is specified. The 512K x 36 organization matches common packet-processing data paths.
Obsolete — plan for replacement or surplus sourcing
Infineon (Cypress) no longer manufactures it in volume. For existing BOM lines, the options are to source new-old-stock or qualified surplus through independent distribution.
100-TQFP footprint and commercial temperature range
The package is a 100-LQFP / 100-TQFP with body dimensions 14 mm x 20 mm. It is a surface-mount, fine-pitch QFP.
