BUY K4S641632H-UC75 https://www.utsource.net/itm/p/1168836.html
64Mb H-die SDRAM Specification 54 TSOP-II with Pb-Free RoHS compliant
Description: K4S641632H-UC75 is a 64Mb (4M x 16) Synchronous DRAM (SDRAM) with a TSOP-54 package from Samsung. Features: 64Mb (4M x 16) Synchronous DRAM (SDRAM) 5V power supply Fast access time: 10ns Low power consumption TSOP-54 package Applications: Mobile phones Digital cameras PDAs Portable media players GPS systems Automotive systems Industrial applications (For reference only)