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V826664K24S Dataheets PDF



Part Number V826664K24S
Manufacturers Mosel Vitelic Corp
Logo Mosel Vitelic  Corp
Description 2.5 VOLT 64M x 64 HIGH PERFORMANCE UNBUFFERED DDR SDRAM MODULE
Datasheet V826664K24S DatasheetV826664K24S Datasheet (PDF)

MOSEL VITELIC V826664K24S 2.5 VOLT 64M x 64 HIGH PERFORMANCE UNBUFFERED DDR SDRAM MODULE PRELIMINARY Features ■ 184 Pin Unbuffered 67,108,864 x 64 bit Organization DDR SDRAM Modules ■ Utilizes High Performance 32M x 8 DDR SDRAM in TSOPII-66 Packages ■ Single +2.5V (± 0.2V) Power Supply ■ Programmable CAS Latency, Burst Length, and Wrap Sequence (Sequential & Interleave) ■ Auto Refresh (CBR) and Self Refresh ■ All Inputs, Outputs are SSTL-2 Compatible ■ 8192 Refresh Cycles every 64 ms ■ Serial.

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MOSEL VITELIC V826664K24S 2.5 VOLT 64M x 64 HIGH PERFORMANCE UNBUFFERED DDR SDRAM MODULE PRELIMINARY Features ■ 184 Pin Unbuffered 67,108,864 x 64 bit Organization DDR SDRAM Modules ■ Utilizes High Performance 32M x 8 DDR SDRAM in TSOPII-66 Packages ■ Single +2.5V (± 0.2V) Power Supply ■ Programmable CAS Latency, Burst Length, and Wrap Sequence (Sequential & Interleave) ■ Auto Refresh (CBR) and Self Refresh ■ All Inputs, Outputs are SSTL-2 Compatible ■ 8192 Refresh Cycles every 64 ms ■ Serial Presence Detect (SPD) ■ DDR SDRAM Performance Description The V826664K24S memory module is organized 67,108,864 x 64 bits in a 184 pin memory module. The 64M x 64 memory module uses 16 MoselVitelic 32M x 8 DDR SDRAM. The x64 modules are ideal for use in high performance computer systems where increased memory density and fast access times are required. Component Used tCK tAC Clock Frequency (max.) Clock Cycle Time CAS Latency = 2.5 B1 143 B0 133 A1 125 Units MHz (PC266A) (PC266B) (PC200) 7 7.5 8 ns V826664K24S Rev. 1.0 April 2002 1 MOSEL VITELIC V826664K24S  Functional Block Diagram CS0 DM I/O 7 I/O 6 I/O 1 I/O 0 I/O 5 I/O 4 I/O 3 I/O 2 CS DQS CS1 DQS4 DM4 DM I/O 0 I/O 1 I/O 6 I/O 7 I/O 2 I/O 3 I/O 4 I/O 5 CS DQS DQ32 DQ33 DQ34 DQ35 DQ36 DQ37 DQ38 DQ39 DM I/O 7 I/O 6 I/O 1 I/O 0 I/O  5 I/O  4 I/O  3 I/O  2 CS DQS DQS0 DM0 DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 D0 D8 D4 DM I/O 0 I/O 1 I/O 6 I/O 7 I/O 2 I/O 3 I/O 4 I/O 5 CS DQS D12 DQS1 DM1 DQ8 DQ9 DQ10 DQ11 DQ12 DQ13 DQ14 DQ15 DM I/O 7 I/O 6 I/O 1 I/O 0 I/O 5 I/O 4 I/O 3 I/O 2 CS DQS DQS5 DM5 D1 DM I/O 0 I/O 1 I/O 6 I/O 7 I/O 2 I/O 3 I/O 4 I/O 5 CS DQS D9 DQ40 DQ41 DQ42 DQ43 DQ44 DQ45 DQ46 DQ47 DM I/O 7 I/O 6 I/O 1 I/O 0 I/O  5 I/O  4 I/O  3 I/O  2 CS DQS D5 DM I/O 0 I/O 1 I/O 6 I/O 7 I/O 2 I/O 3 I/O 4 I/O 5 CS DQS D13 DQS2 DM2 DQ16 DQ17 DQ18 DQ19 DQ20 DQ21 DQ22 DQ23 DM I/O 7 I/O 6 I/O 1 I/O 0 I/O 5 I/O 4 I/O 3 I/O 2 CS DQS DM I/O 0 I/O 1 I/O 6 I/O 7 I/O 2 I/O 3 I/O 4 I/O 5 CS DQS DQS6 DM6 D2 D10 DQ48 DQ49 DQ50 DQ51 DQ52 DQ53 DQ54 DQ55 DM I/O 7 I/O 6 I/O 1 I/O 0 I/O  5 I/O  4 I/O  3 I/O  2 CS DQS D6 DM I/O 0 I/O 1 I/O 6 I/O 7 I/O 2 I/O 3 I/O 4 I/O 5 CS DQS D14 DQS3 DM3 DQ24 DQ25 DQ26 DQ27 DQ28 DQ29 DQ30 DQ31 DM I/O 7 I/O 6 I/O 1 I/O 0 I/O 5 I/O 4 I/O 3 I/O 2 CS DQS DQS7 DM7 DM I/O  0 I/O  1 I/O  6 I/O  7 I/O 2 I/O 3 I/O 4 I/O 5 CS DQS DQ56 DQ57 DQ58 DQ59 DQ60 DQ61 DQ62 DQ63 DM I/O 7 I/O 6 I/O 1 I/O 0 I/O  5 I/O  4 I/O  3 I/O  2 CS DQS D3 D11 D7 DM I/O 0 I/O 1 I/O 6 I/O 7 I/O  2 I/O  3 I/O  4 I/O  5 CS DQS D15 *Clock Net Wiring Dram1 Serial PD SCL A0 SA0 BA0 - BA1 A0 - A12 RAS CAS VDD /VDDQ A1 SA1 A2 SA2 SDA  Clock Wiring Clock  SDRAMs Input CK0/CK0 CK1/CK1 CK2/CK2 4 SDRAMs 6 SDRAMs 6 SDRAMs Card Edge Dram2 R=120Ω Dram3 *(Cap.) Dram4 *(Cap.) Dram5 Dram6 BA0-BA1: SDRAMs D0 - D15 A0-A12: SDRAMs D0 - D15 RAS: SDRAMs D0 - D15 CAS: SDRAMs D0 - D15 CKE1 CKE0 WE CKE: SDRAMs D8 - D15 CKE: SDRAMs D0 - D7 WE: SDRAMs D0 - D15 *If four DRAMs are loaded,  Cap will replace.


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