UPD488448

The UPD488448 is 128M-bit Direct Rambus DRAM (RDRAM),organized as 8M words by 16 bits.The use of Rambus Signaling Level (RSL) technology permits 600 MHz to 800 MHz transfer rates while using conventional system and board design technologies. Direct RDRAM devices are capable of sustained data transfers at 1.25 ns per two bytes (10 ns per sixteen bytes).System oriented features for mobile, graphics and large memory systems include power management,byte masking.The UPD488448 is offered in a CSP horizontal package suitable for desktop as well as low-profile add-in card and mobile applications.Direct RDRAMs operate from a 2.5 volt supply.
 
The absolute maximum ratings of the UPD488448 can be summarized as:(1):the symbol is VI,ABS,the parameter is voltage applied to any RSL or CMOS pin with respect to GND,the Min is -0.3,the Max is VDD+0.3,the unit is V;(2):the symbol is VDD,ABS ,VDDa,ABS,the parameter is voltage on VDD and VDDa with respect to GND,the Min is -0.5,the Max is VDD+1.0,the unit is V;(3):the symbol is TSTORE,the parameter is storage temperature,the Min is -50,the Max is +100,the unit is .