Denon DN-S3000 Service Manual
Also see for DN-S3000: Operating instructionsOperating instructionsManual
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2121DN-S3000128M-SDRAM (DS: IC402)Block DiagramNote: The # symbol indicates signal is active LOW.V DDDQ0VDD QDQ1DQ2VSS QDQ3DQ4VDD QDQ5DQ6VSS QDQ7NCV DDDQM0WE#CAS#RAS#CS#A11BA0BA1A10A0A1A2DQM2V DDNCDQ16VSS QDQ17DQ18VDD QDQ19DQ20VSS QDQ21DQ22VDD QDQ23V DD1234567891011121314151617181920212223242526272829303132333435363738394041424386858483828180797877767574737271706968676665646362616059585756555453525150494847464544V SSDQ15V SS QDQ14DQ13VDD QDQ12DQ11V SS QDQ10DQ9VDD QDQ8NCV SSDQM1NCNCCLKCKEA9A8A7A6A5A4A3DQM3V SSNCDQ31V DD QDQ30DQ29V SS QDQ28DQ27VDD QDQ26DQ25V SS QDQ24VSS12RAS#CAS#CLKCS#WE#CKE8A0–A11,BA0, BA1DQM0–DQM314256(x32)8192I/O GATINGDQM MASK LOGICREAD DATA LATCHWRITE DRIVERSCOLUMNDECODERBANK0MEMORYARRAY(4,096 x 256 x 32)BANK0ROW-ADDRESSLATCH&DECODER4096SENSE AMPLIFIERSBANKCONTROLLOGICDQ0–DQ313232DATAINPUTREGISTERDATAOUTPUTREGISTER32BANK1BANK0BANK2BANK312824 42REFRESHCOUNTER1212MODE REGISTERCONTROLLOGICCOMMANDDECODEROW-ADDRESSMUXADDRESSREGISTERCOLUMN-ADDRESSCOUNTER/LATCH |
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