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K4R441869B

Samsung semiconductor
Part Number K4R441869B
Manufacturer Samsung semiconductor
Description 256K x 16/18 bit x 32s banks Direct RDRAMTM
Published Apr 7, 2005
Detailed Description K4R271669B/K4R441869B Direct RDRAM™ 128/144Mbit RDRAM(B-die) 256K x 16/18 bit x 32s banks Direct RDRAMTM Version 1.11...
Datasheet PDF File K4R441869B PDF File

K4R441869B
K4R441869B

Overview
K4R271669B/K4R441869B Direct RDRAM™ 128/144Mbit RDRAM(B-die) 256K x 16/18 bit x 32s banks Direct RDRAMTM Version 1.
11 October 2000 Page -1 Version 1.
11 Oct.
2000 K4R271669B/K4R441869B Change History Version 1.
11 ( October 2000) - Preliminary * Based on the Rambus 1.
11ver.
128/144Mbit(32s banks) RDRAM Datasheet.
Direct RDRAM™ Page 0 Version 1.
11 Oct.
2000 K4R271669B/K4R441869B Overview The Rambus Direct RDRAM™ is a general purpose highperformance memory device suitable for use in a broad range of applications including computer memory, graphics, video, and any other application where high bandwidth and low latency are required.
The 128/144-Mbit Direct Rambus DRAMs (RDRAM®) are extremely high-speed CMOS DRAMs organized as 8M words by 16 or 18 bits.
The use of Rambus Signaling Level (RSL) technology permits 600MHz to 800MHz 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 (10ns per sixteen bytes).
The architecture of the Direct RDRAMs allows the highest sustained bandwidth for multiple, simultaneous randomly addressed memory transactions.
The separate control and data buses with independent row and column control yield over 95% bus efficiency.
The Direct RDRAM's 32 banks support up to four simultaneous transactions.
System oriented features for mobile, graphics and large memory systems include power management, byte masking, and x18 organization.
The two data bits in the x18 organization are general and can be used for additional storage and bandwidth or for error correction.
Direct RDRAM™ SAMSUNG 050 K4R xxxx 69B-N xxx SAMSUNG 050 K4R xxxx 69B-M xxx M a.
Normal Package b.
Mirrored Package Figure 1: Direct RDRAM CSP Package The 128/144-Mbit Direct RDRAMs are offered in a CSP horizontal package suitable for desktop as well as lowprofile add-in card and mobile applications.
Key Timing Parameters/Part Numbers Speed Organization Bin 256Kx16x3...


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