What this synchronous SRAM does
The Infineon CY7C1347G-133AXCT is a 4.5 Mbit synchronous SRAM organized 128K x 36, clocked at 133 MHz with a 4 ns access time.
Commercial temperature range — indoor deployment only
Not rated for outdoor, automotive, or industrial enclosures where ambient might exceed 70°C.
Obsolete — last-time-buy reality
No official replacement part number has been published for this specific speed and package variant. Any available via RFQ confirmation today is from surplus or broker channels — date-code provenance matters here, so verify the lot before committing to a BOM line.
