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mitsubishi - Al Kossow's Bitsavers

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MITSUBISHI MICROCOMPUTERSSYMBOLOGYFOR DIGITAL INTEGRATED CIRCUITSNew symbol Former symbolCiInput capacitanceCoOutput capacitanceCi/oI nput/output terminal capacitanceCit¢»~I nput capacitance of clock inputfFrequencyParameter-definitionaf(¢»Clock frequencyCurrent-the current into an integrated circuit terminal is defined as a positive value and the current out of a terminal is defined as a negative valueISSISS(AV)ICCICC(AV)ICC(PD)100IDD(AV)IGGIGG(AV)IIIIHIlL10H10LlozSupply current from VBBAverage supply current from VBBSupply current from VccAvarage supply current from VccPower-down supply current from VccSupply current from VooAverage supply current from VOOSupply current from VGGA~erage supply current from VGGInput currentHigh-level input current-the value of the input current when VOH is applied to the input consideredLOW-level input current-the value of the input current when VOL is applied to the input consideredHigh-level output current-the value of the output current when VOH is applied to the output consideredLow-level output current-the value of the output current when VOL is applied to the output consideredOff-state (high-impedance statel output current-the current into an output having a three-st~te capability with input condition so applied thatit will establish according to the product specification, the off (high-impedancel state at the output10ZH10ZLlOSIssPdNEWNRARiRLROFFRONtata(A)ta(CAS)tatE)ta(G)ta(PR)ta(RAS)tats)tctCRtCRFtCPGtCRMWtcwta(AD)ta(CE)ta(OE)ta(CS)tC(RD)tc (REF)tC(PG)tC(RMR)tC(WR)Off-state (high-impedance state) output current, with high-level voltage applied to the outputOff-state (high-impedance state) output current, with lOW-level voltage applied to the outputShort-circuit output currentSupply current from VssPower dissipationNumber of erase/write cyclesNumber of read access unrefreshedInput resistanceExternal load resistanceOff-state output resistanceOn-state output resistanceAccess time-the time interval between the application of a specified input pulse during a read cycle and the availability of valid data signal at an outputAddress access time-the time interval between the application of an address input pulse and the availability of valid data signals at an outputColumn address strobe access timeChip enable access timeOutput enable access timeData access time after programRow address strobe access timeChip select access timeCycle timeRead cycle time-the time interval between the start of a read cylce and the start of the next cycleRefresh cycle time-the time interval between successive signals that are intended to restore the level in a dynamic memory cell to its original levelPage-mode cycle timeRead-modify-write cycle time-the time interval between teh start of a cycle in which the memory is read and new data is entered, and the start ofthe next cycleWrite cycle time-the time interval between the start of a write cycle and the start of the next cycle• . MITSUBISHI..... ELECTRIC1-13

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