W83757

Features of the W83757 are:(1)compatible with IBM PC AT/XT disk drive systems;(2)supports up to two 3.5",or 5.25"360K/720K/1.2M or 1.44M floppy disk drives;(3)emulates NEC765A in IBM environment;(4)supports variable write precompensation with track selectable capability;(5)built-in address mark detection circuit to simplify the read electronics;(6)IBM PC system address decoder;(7)supports up to two embedded hard disk drives (IDE AT bus);(8)single 24 MHz crystal input;(9)fully programmable serial-interface characteristics;(10)internal diagostic capabilities;(11)compatible with IBM printer port;(12)2u high performance CMOS technology;(13)100-pin QFP.

The absolute maximum ratings of the W83757 can be summarized as:(1):the parameter is power supply voltage,the rating is -0.3 to 7.0,the unit is V;(2):the parameter is input voltage,the rating is Vss-0.3 to VDD+0.3,the unit is V;(3):the parameter is operating temperature,the rating is 0 to +70,the unit is ;(4):the parameter is storage temperature,the rating is -55 to +150,the unit is .