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MH4V64AXJJ-5S Datasheet(PDF) 6 Page - Mitsubishi Electric Semiconductor |
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MH4V64AXJJ-5S Datasheet(HTML) 6 Page - Mitsubishi Electric Semiconductor |
6 / 25 page MH4V64/644AXJJ-5,-6,-5S,-6S FAST PAGE MODE 268435456-BIT (4194304-WORD BY 64-BIT)DYNAMIC RAM MITSUBISHI ELECTRIC MITSUBISHI LSIs ( / 25 ) Preliminary Preliminary Some of contents are subject to change without notice. MIT-DS-0072-0.5 26/Feb./1997 Serial Presence Detece TABLE (MH4V644AXJJ-5,-6) Bytes Function described SPD entry data SPD DATA entry(Hex) 0 Defines # bytes written into serial memory at module mfgr 128 80 1 Total # bytes of SPD memory device 256 Bytes 08 2 Fundamental memory type FPM DRAM 01 3 # Row Addresses on this assembly A0-A11 0C 4 # Column Addresses on this assembly A0-A9 0A 5 # Module Banks on this assembly 1bank 01 6 Data Width of this assembly... x64 40 7 ... Data Width continuation 0 00 8 Voltage interface standard of this assembly 3.3V LVTTL 02 9 RAS# access time of this assembly -5 50ns 32 -6 60ns 3C 10 CAS# access time of this assembly -5 13ns 0D -6 15ns 0F 11 DIMM Configuration type (Non-parity,Parity,ECC) non parity 00 12 Refresh Rate/Type N/R(15.625uS) 00 13 DRAM width,Primary DRAM x16 10 14 Error Checking DRAM data width N/A 00 15-31 Reserved for future offerings open 00 32-61 Superset Memory type(may be used in future) open 00 62 SPD Data Revision Code Rev 1 01 63 Checksum for bytes 0-62 Check sum for -5 32 Check sum for -6 3E 64-71 Manufacturers JEDEC ID code per JEP-106 MITSUBISHI 1CFFFFFFFFFFFFFF 72 Manufacturing location Miyoshi,Japan 01 Tajima,Japan 02 NC,USA 03 Germany 04 73-90 Manufacturer's Part Number MH4V644AXJJ-5 4D48345636343441584A4A2D352D352020202020 MH4V644AXJJ-6 4D48345636343441584A4A2D362D362020202020 91-92 Revision Code PCB revision rrrr 93-94 Manufacturing date year/week code yy/ww 95-98 Assembly Serial Number serial number ssssssss 99-125 Manufacturer Specific Data open 00 126-127 Reserved open 00 128-255 Open User Free-Form area not defined open 00 6 |
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