mitsubishi - Al Kossow's Bitsavers

MITSUBISHI MICROCOMPUTERSMS0784SPINPUT EXPANDERPIN DESCRIPTIONSymbolNameFunctionCEP40- P43PSO-PS3PSO-PS3P70- P73Chip enable inputOutput portInput ports 4 - 7When low, output transistors will be "off" state:4-bit output ports. P-channel open drain outputs.4-bit input portsFunction table (1), Function table (2)InputOutputn 52 5,SoP40- P 43 PSO-PS3 PSO-PS3 P70-P73CE So-52 P nO-Pn3 Q (AO, AI> R2, A3)L 0, n X(L)H n HHH n L(L)4 H LS H L6 H H7 H HLH'LH0000X 0 X(L)(L) : Transistor "off" stateX: High or lowABSOLUTE MAXIMUM RATINGSSymbolParameterConditionsLimitsUnitVOOSupply voltageWith respect to VSS-0_3-1SVVIInput voltageVsS-0.3- V OO+0.3VVoOutput voltageVsS-0.3- V oO+0.3VPdMaximum power dissipationTa =2S·C600 mWToprOperating free-air temperature range-10-70 ·CTstgStorage temperature range-40-12S ·CRECOMMENDED OPERATING CONDITIONSSymbolParameterLimitsMin Nom MaxUnitVOO Supply voltage 4 14VI Input voltage 0 VooVIH High-level input voltage VooXO.7 VOOVIL Low-level input voltage 0 VooXO.3VVVVELECTRICAL CHARACTERISTICS (Ta=2S·C, Voo=9V, unless otherwise noted)SymbolParameterTest conditionLimitsMin Typ MaxUnitIOHHigh-level output currentPort RVOO=SV, VOH=3_SVVoo=9V, VOH=7 _SV1.S rnA2.S rnAVoo=12V, Vow=10.SV3_SrnAIIInput currentPort 4 - Port 7VI=O-VOO1 I1AJOOSupply currentOutput pins openSOI1A6"':"'10• ..MITSUBISHI.... ELECTRI,C