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MC-4R256FKK8K - 256MB 32-bit Direct Rambus DRAM RIMM Module

General Description

The 32-bit Direct Rambus RIMM module is a generalpurpose high-performance lines of memory modules suitable for use in a broad range of applications including computer memory, personal computers, workstations, and other applications where high bandwidth and latency are required.

Key Features

  • 256MB Direct RDRAM storage and 256 banks total on module.
  • 2 independent Direct RDRAM channels, 1 pass through and 1 terminated on 32-bit RIMM module.
  • High speed 800MHz Direct RDRAM devices.
  • 232 edge connector pads with 1mm pad spacing  Module PCB size: 133.35mm × 39.925mm × 1.27mm  Gold plated edge connector pads contacts.
  • Serial Presence Detect (SPD) support.
  • Operates from a 2.5V (±5%) supply.
  • Low power and power down self refres.

📥 Download Datasheet

Datasheet Details

Part number MC-4R256FKK8K
Manufacturer Elpida Memory
File Size 91.48 KB
Description 256MB 32-bit Direct Rambus DRAM RIMM Module
Datasheet download datasheet MC-4R256FKK8K Datasheet

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Full PDF Text Transcription (Reference)

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PRELIMINARY DATA SHEET 256MB 32-bit Direct Rambus DRAM RIMM Module MC-4R256FKK8K (64M words × 18 bits × 2 channels) Description The 32-bit Direct Rambus RIMM module is a generalpurpose high-performance lines of memory modules suitable for use in a broad range of applications including computer memory, personal computers, workstations, and other applications where high bandwidth and latency are required. The 32-bit RIMM module consists of 288Mb Direct Rambus DRAM (Direct RDRAM) devices. These are extremely high-speed CMOS DRAMs organized as 16M words by 18 bits. The use of Rambus Signaling Level (RSL) technology permits the use of conventional system and board design technologies. The 32-bit RIMM modules support 800MHz transfer rate per pin, resulting in total module bandwidth of 3.2GB/s.