Details, datasheet, quote on part number:HYS72T256020EU-5-B
Part:
HYS72T256020EU-5-B
Category:
Memory => DRAM => DDR2 SDRAM
Description:
240-Pin Unbuffered DDR2 SDRAM Modules
The DIMMs feature serial presence detect based on a
serial E2PROM device using the 2-pin I2C protocol. The
first 128 bytes are programmed with configuration data
and are write protected; the second 128 bytes are
available to the customer
