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DDR2

 

  • 1.8 Voltage operation
  • On-Die Termination
  • CAS Latencies: 3, 4, 5
 

Overview

DDR2 is the next-generation evolution of DDR memory technology. DDR2 memory features faster speeds, higher data bandwidths, lower power consumption and enhanced thermal performance. DDR2 memory chips will be available in Fine-pitch BGA (FBGA) chip packages for improved electrical and thermal characteristics. In addition, DDR2 memory chips will incorporate On-Die Termination (ODT) to minimize memory signal reflections at high speeds, thereby improving timing margins. DDR2 memory chips will come in capacities up to 4 Gigabits, allowing for higher-capacity modules.

features

  • 1.8 Volts operation, reducing power consumption by about 50%
  • Memory signal termination inside the memory chip ("On-Die Termination") to prevent reflected signal transmission errors
  • CAS Latencies: 3, 4, 5
  • Operational enhancements to increase memory performance, efficiency and timing margins

Specifications

Model
Capacity
Description
Data Rate
Voltage
CL
Pin
PC2-4200 256MB-2GB Non-ECC 533MHz 1.8V CL4 240pin
ECC
PC2-5300 256MB-1GB Non-ECC 667MHz 1.8V CL5 240pin
ECC
PC2-6400 256MB-1GB Non-ECC 800MHz 1.8V CL5 240pin