SAB82289

The SAB82289 bus arbiter is ariter is a 5V,20-pin MYMOS component for use in multiple bus master SAB80286 systems.The SAB82289 provides a compact solution to system bus arbitration for the SAB82289 CPU.

The absolute maximum ratings of the SAB82289 can be summarized as:(1):the parameter is ambient temperature under bias,the symbol is TA,the rating is 0 to +70,the unit is ;(2):the parameter is storage temperature,the symbol is TST,the rating is -65 to +150,the unit is ;(3):the parameter is voltage on any pin with respect to ground,the symbol is VSS,the rating is -0.5 to +7,the unit is V;(4):the parameter is power dissipation,the symbol is PD,the rating is 1,the unit is W.

The operating parameters of the SAB82289 can be summarized as:(1):the parameter is output high voltage,the symbol is VOH,the min is 2.4,the unit is V;(2):the parameter is output low voltage,the symbol is VOL,the max is 0.45,the unit is V;(3):the parameter is input high voltage,the symbol is VIH,the min is 2.0,the max is VCC+0.5,the unit is V;(4):the parameter is intput low voltage,the symbol is VIL,the min is -0.5,the max is +0.8,the unit is V;(5):the parameter is input low voltage,the symbol is VIL,the min is -0.5,the max is 0.8,the unit is V;(6):the parameter is input high voltage,the symbol is VIH,the min is 2.0,the max is VCC+0.5,the unit is V;(7):the parameter is CLK input low voltage,the symbol is VILC,the min is -0.5,the max is +0.6,the unit is V;(8):the parameter is CLK input high voltage,the symbol is VIHC,the min is 3.8,the max is VCC+1.0,the unit is V;(9):the parameter is output low voltage voltage,the symbol is VOL,the max is 0.45,the unit is V;(10):the parameter is CLK BCLK input capacitance,the symbol is CCLK,the max is 12,the unit is pF;(11):the parameter is input capacitance,the symbol is CIN,the max is 10,the unit is pF;(12):the parameter is input/output capacitance,the symbol is CCLK,the max is 20,the unit is pF.