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NT256D72S89AKGU

Nanya Technology
Part Number NT256D72S89AKGU
Manufacturer Nanya Technology
Description 256MB DDR SDRAM DIMM
Published Feb 20, 2006
Detailed Description NT256D72S89AKGU 256MB : 32M x 72 Low Profile Registered DDR SDRAM DIMM 184pin Low Profile Registered DDR SDRAM MODULE ...
Datasheet PDF File NT256D72S89AKGU PDF File

NT256D72S89AKGU
NT256D72S89AKGU

Overview
NT256D72S89AKGU 256MB : 32M x 72 Low Profile Registered DDR SDRAM DIMM 184pin Low Profile Registered DDR SDRAM MODULE Based on 32Mx8 DDR SDRAM Features • 32Mx72 Low Profile Registered DDR DIMM based on 32Mx8 DDR SDRAM • JEDEC Standard 184-pin Dual In-Line Memory Module • Error Check Correction (ECC) Support • Phase-lock loop (PLL) clock driver to reduce loading • Registered inputs with one-clock delay w • Performance: PC1600 Speed Sort DIMM CAS Latency f CK Clock Frequency t CK Clock Cycle f DQ DQ Burst Frequency * w a D .
w S a t e e h U 4 t m o .
c • Data is read or written on both clock edges • Bi-directional data strobe with one clock cycle preamble and one-half clock post-amble • Address and control signals are fully synchronous to positive clock edge • Programmable Operation: - Device CAS Latency: 2, 2.
5 PC2100 -75B 3.
5 133 7.
5 266 -7K 3 133 7.
5 266 MHz ns MHz Unit - Burst Type: Sequential or Interleave - Burst Length: 2, 4, 8 - Operation: Burst Read and Write -8B 3 100 10 200 • Auto Refresh (CBR) and Self Refresh Modes • 13/10/1 Addressing (row/column/bank) • Serial Presence Detect • Gold contacts • Automatic and controlled precharge commands • 7.
8 µs Max.
Average Periodic Refresh Interval • Intended for 100 MHz and 133 MHz applications • Inputs and outputs are SSTL-2 compatible • VDD = 2.
5Volt ± 0.
2, VDDQ = 2.
5Volt ± 0.
2 • SDRAMs have 4 internal banks for concurrent operation • Differential clock inputs * • SDRAMs in 66-pin TSOP Type II Package One clock cycle added for registered DIMMs to account for input register.
Description NT256D72S89AKGU is a Low Profile Registered 184-Pin 1U Double Data Rate (DDR) Synchronous DRAM Dual In-Line Memory Module (DIMM), organized as a one-bank 32Mx72 high-speed memory array.
The module uses nine 32Mx8 DDR SDRAMs in 400 mil TSOP II packages.
These DIMMs are manufactured using raw cards developed for broad industry use as reference designs.
common design files minimizes electrical variation between sup...


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