BUY K4S643232E-TC70 https://www.utsource.net/itm/p/459491.html
2M x 32 SDRAM 512K x 32bit x 4 Banks Synchronous DRAM LVTTL
Description: The K4S643232E-TC70 is a 32Mbit (4M x 8bit) Synchronous DRAM (SDRAM) module. It is a TSOP86 package with a Samsung memory chip. Features: 32Mbit (4M x 8bit) Synchronous DRAM (SDRAM) TSOP86 package Samsung memory chip Operating voltage: 3.3V Operating temperature: 0°C to 70°C Access time: 8ns Data retention voltage: 2.0V Applications: Embedded systems Networking and communication systems Automotive systems Industrial control systems Digital consumer electronics (For reference only)