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W9451GBDA-6 Datasheet

  • W9451GBDA-6

  • SDRAM|DDR|64MX64|CMOS|DIMM|184PIN|PLASTIC

  • 15頁(yè)

  • ETC

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W9451GBDA-6
512MB (64M
脳
64) DDR SDRAM DIMM
1. GENERAL DESCRIPTION
The W9451GBDA is a 512MB Double Data Rate Synchronous Dynamic RAM (DDR SDRAM) memory
modules. It is organized in a 64M x 64 bit configuration using eight pieces of Winbond W942508AH
(32M x 8 bits) DDR SDRAMs and assembled on a JEDEC standard 184-pin DIMM PCB.
To provide high data bandwidth, W9451GBDA uses a double data rate architecture to transfer two
data words per clock cycle and delivers a data bandwidth of up to 2.7G (DDR333) bytes per second. It
is ideal for high performance systems that require fast data transfer memory modules.
By reading the Serial Presence-Detect (SPD), the system can identify the module type, DDR SDRAM
timing parameters and other necessary information to optimize system setting and maximize its
performance.
2. FEATURES
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JEDEC standard 184-pin, Dual In-Line Memory Module (DIMM)
鈥?/div>
Comply to DDR333 specification
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Two memory rows on this module
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Differential clock inputs (CLK and CLK )
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Double Data Rate architecture, two data transfers per clock cycle
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CAS Latency: 2.5
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Burst Lengths: 2, 4, 8
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Auto Refresh and Self Refresh
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8K refresh cycles / 64 mS
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Serial Presence Detect with EEPROM
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Interface: SSTL-2
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Power supply: 2.5V
鹵0.1V
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PCB height: 1.25 inches
3. AVAILABLE PART NUMBERS
MODULE PART NUMBER
W9451GBDA-6
SPEED
DDR333/CL2.5
-1-
Publication Release Date: March 15, 2002
Revision A1

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