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MH32D72AKLB-75 Datasheet(PDF) 36 Page - Mitsubishi Electric Semiconductor |
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MH32D72AKLB-75 Datasheet(HTML) 36 Page - Mitsubishi Electric Semiconductor |
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36 / 40 page  MITSUBISHI LSIs MITSUBISHI ELECTRIC MH32D72AKLB-75,-10 2,415,919,104-BIT (33,554,432-WORD BY 72-BIT) Double Data Rate Synchronous DRAM Module MIT-DS-0399-0.2 21.Mar.2001 Preliminary Spec. Some contents are subject to change without notice. 36 Serial Presence Detect Table I Byte Function described SPD enrty data SPD DATA(hex) 0 Number of Serial PD Bytes Written during Production 128 80 1 Total # bytes of SPD memory device 256 Bytes 08 2 Fundamental memory type SDRAM DDR 07 3 # Row Addresses on this assembly 12 4 # Column Addresses on this assembly 10 5 # Module Banks on this assembly 2BANK 02 6 Data Width of this assembly... x72 48 7 ... Data Width continuation 0 00 8 Voltage interface standard of this assembly SSTL2.5V 04 9 SDRAM Cycletime at Max. Supported CAS Latency (CL). Cycle time for CL=2.5 10 SDRAM Access from Clock tAC for CL=2.5 11 DIMM Configuration type (Non-parity,Parity,ECC) ECC 02 12 Refresh Rate/Type 13 SDRAM width,Primary DRAM x8 08 14 Error Checking SDRAM data width x8 08 15 MIimum Clock Delay, Random Column Access 01 16 Burst Lengths Supported 2, 4, 8 0E 17 Number of Device Banks 4bank 04 18 CAS# Latency 2.0, 2.5 0C 19 CS# Latency 20 WE Latency 21 SDRAM Module Attributes Registered with PLL 26 22 SDRAM Device Attributes:General VDD + 0.2V 00 23 SDRAM Cycle time(2nd highest CAS latency) Cycle time for CL=2 24 SDRAM Access form Clock(2nd highest CAS latency) 80 tAC for CL=2 25 SDRAM Cycle time(3rd highest CAS latency) 26 SDRAM Access form Clock(3rd highest CAS latency) 27 Minimum Row Precharge Time (tRP) 15ns 50 28 Minimum Row Active to Row Active Delay (tRRD) 20ns 3C 8.0ns -10 10ns A0 75 -75 29 RAS to CAS Delay Minv (tRCD) 20ns 2D 30 Active to Precharge Min (tRAS) 32 7.5ns +0.75ns +0.8 ns -75 -10 -75 -10 -75 -10 -75 -10 45ns 50ns N/A +0.75ns +0.8ns Differential Clock 0C 0A 75 80 75 80 00 50 15.6uS/SR 80 0 1 02 01 1 clock 10ns A0 -75 -10 -75 -10 N/A 00 N/A N/A 00 00 |
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