mitsubishi - Al Kossow's Bitsavers

MITSUBISHI MICROCOMPUTERSMSL8243PINPUT /OUTPUT EXPANDERTIMING REQUIREMENTS (Ta = -20-75'C, Vee = 5V±10%, unless otherwise noted)AlternativeSymbol ParametersymbolTest conditionstSU(INST-PR) Instruction code setup time before PROG tA 80pF Load lOath(PR-INST) Instruction code hold time after PROG ts 20pF Load 60tSU(OQ-PR) Data setup time before PROG tc 80pF Load 200th(PR-OQ) Data hold time after PROG to 20pF Load 20tW(PR) PROG pulse width tK 700tSU(CS-PR) Chip-select setup time before PROG tcs 50th(PR-CS) Chip-select hold time after PROG tcs 50tSU(PORT-PR) Port setup time before PROG tiP lOath(PR-PORT) Port hold time after PROG tiP 100MinlimitsTypMaxUnitnsnsnsnsnsnsnsnsnsSWITCHING CHARACTERISTICS (T a = -20-75'C, Vee = 5V±10%, unless otherwise noted)SymbolParameterAlternativesymbolTest conditionsMinlimitsTypMaxUnitta(PR)tdV(PR)Data access time after PROGData valid time after PROGtACCtH80pF Load20pF Load0a650 ns150 nstpHL(PR)tpLH(PR)Output valid time after PROGtpo100pF Load700 nstpZX(PR)tpXZ(PR)Input/output switching time-800 nsII• MITSUBISHI..... ELECTRIC6-29