De aqui bajan el informe de las ram...
http://www.spectek.com/pdfs/16_32MX64DDDR.PDF
este es un preview de las specs de las spectek
184 pin dual in-line memory modules (DIMM)
· Fast data transfer rates PC2100 and PC2700
· Utilizes 16MX16 DDR266 and DDR333 SDRAM
components
· 66p TSOP components.
· 128MB (16MX64), 256MB (32MX64)
· Vdd = 2.5v +0.2v, VddQ = 2.5v +0.2v
· 2.5v I/O (SSTL_2 compatible)
· Internal pipelined double data rate (DDR)
Architecture, two data accesses per clock cycle
· Bidirectional data strobe (DQS) transmitted/
Received with data
· Differential clock inputs (CK0 and CK0#)
· 7.8125us maximum average periodic refresh interval
· Programmable burst lengths: 2, 4 or 8
Cas latency 2.5
hay varios modelos de modulos, este es el de 256mb con 8 chips x32