Part Number : K4S561632D
Function : 256Mbit SDRAM 4M x 16bit x 4 Banks Synchronous DRAM
Package : TSSOP 54 Pin Type
Maker : Samsung
Image : 
Description :
The K4S561632D is 268435456 bits synchronous high data rate Dynamic RAM organized as 4 x 4196304 words by 16 bits fabricated with SAMSUNGs high performance CMOS technology. Synchronous design allows precise cycle control with the use of system clock I/O transactions are possible on every clock cycle.
Range of operating frequencies programmable burst length and programmable latencies allow the same device to be useful for a variety of high bandwidth high performance memory system applications.
Features
• JEDEC standard 3.3V power supply
• LVTTL compatible with multiplexed address
• Four banks operation
• MRS cycle with address key programs
Datasheet PDF Download : 
Others datasheet of same file : K4S561632D-TL75, K4S5616320-TL75, K4S561632