CY62146G30-45ZSXAT is a 4-Mbit (256K × 16) asynchronous SRAM with embedded ECC for single-bit error correction in automotive systems. It operates from 2.2 V to 3.6 V and is rated 45 ns access, with AEC-Q100 Automotive-A temperature range (-40°C to +85°C). It uses a single chip enable with byte write enables (BHE/BLE) and is offered in a 44-pin Pb-free TSOP II tape-and-reel package.