MB4111

11111111111111111111111111111111111111111111111111111111111111111 FUJITSU I 111111111111111111111111111111111 MAGNETIC DISK HEAD AMPLIFIER MB 4111 MB 4112 MB 4113 March 1984 Edition 2.0 MAGNETIC DISK HEAD AMPLIFIER The Fujitsu MB 4111/MB 4112/MB 4113 is a monolithic bipolar integrated circuit optimized for high performance application to disk head systems. The MB 4111/MB 4112/MB 4113 is featured with the following four major functions to interface with four magnetic heads. Write Amplifier Circuit Read Amplifier Circuit RAS (safety) Circuit Selection Decode Circuit Also, the MB4111/MB4112/MB4113 has three modes, Read, Write and Idle. The MB 4111/MB 4113 is suitable for mounting directly on the arm of movable disk head. The MB 4112 is suitable for mounting on the PC board interfacing the fixed disk head. ABSOLUTE MAXIMUM RATINGS (*: Referenced to ground) Rating Symbol Value Supply Voltage Vee * 7.0 Supply Voltage Operati ng Temperature VEE * Top -5.5 oto +70...