BUY TC55257BPL-10L https://www.utsource.net/itm/p/1393034.html
IC 32K X 8 STANDARD SRAM, 100 ns, PDIP28, 0.600 INCH, PLASTIC, DIP-28, Static RAM
Description: The TC55257BPL-10L is a nonvolatile static RAM (NVRAM) manufactured by Toshiba America Electronic Components. It is a 28-pin DIP package and has a capacity of 256K bits. Features: 256K bits of nonvolatile RAM Low power consumption High speed access time: 10ns Low standby current Data retention for 10 years Self-timed write cycle Automatic power-on reset Single +5V supply 28-pin DIP package Applications: The TC55257BPL-10L is suitable for a wide range of applications, including data storage, memory backup, and system configuration. It is commonly used in industrial, automotive, and medical applications. (For reference only)