T4773

The T4773 is a CMOS ultravlolet light erasable and electrically programmable read only memory consisting of 32768*8bits.

Features of the T4773 are:(1)access time is 200ns;(2)high speed programming range mode;(3)programming voltage is 12.5V;(4)fully static opertion;(5)stand-by current is 100A max(at 85);(6)equivalent to TC57256AD-20.

The absolute maximum ratings of the T4773 can be summarized as:(1):the parameter is supply voltage,the symbol is Vcc,the rating is -0.6 to 7.0,the unit is V;(2):the parameter is program supply voltage,the symbol is Vpp,the rating is -0.6 to 14.0,the unit is V;(3):the parameter is input voltage,the symbol is VIN,the rating is -0.6 to 7.0,the unit is V;(4):the parameter is I/O pin voltage,the symbol is VI/O,the rating is -0.6 to Vcc+0.5,the unit is V;(5):the parameter is power dissipation,the symbol is PD,the rating is 1.5,the unit is W;(6):the parameter is storage,the symbol is Tstg,the rating is -60 to 125,the unit is ;(7):the parameter is operating temperature range,the symbol is Topr,the rating is -40 to 85,the unit is .

The A.C. characteristics of the T4773 can be summarized as:(1):the parameter is address access time,the symbol is IACC,the rating is 200,the unit is ns;(2):the parameter is CE to output data valid time,the symbol is tCE,the rating is 200,the unit is ns;(3):the parameter is OE to output data valid time,the symbol is tOE,the rating is 70,the unit is ns.