(China (Mainland))
Product Summary
The TA8512AF is a bipolar monolithic developed for R/W IC for 3 to 8 inch floppy disk drive. The read circuit and write circuit, and various control circuits for the TA8512AF are integrated on one chip to realize small size and low dissipation.
Parametrics
TA8512AF absolute maximum ratings: (1)Power Supply Voltage (Pin 21): 17V; (2)Power Supply Voltage (Pin 35): 7V; (3)Digital Input Voltage: -0.5V to 5.5V; (4)Power on Detector Applied Voltage: 17V; (5)Erase Output Applied Voltage: 17V; (6)Common Output Source current: 75mA; (7)Erase sink Current: 50mA; (8)Write Current: 25mADC; (9)Power on sink current: 7mA; (10)Operating Ambient Temperature Range: -20℃ to 75℃; (11)Operating Junction Temperature: 150℃; (12) Power Dissipation: 0.96W.
Features
TA8512AF features: (1)The write current can be optionally set by an external resistance 60 25mADC7; (2)As the write current change-over circuit is built in, the current value can be changed-over either internal or external circumference of the disk; (3)The read circuit, write circuit, and erase circuit are incorporated in a chip control can be make in independent timing by WG and EG; (4)The power supply monitoring circuit is incorporated to inhibit abnormal nH the rise of power supply and occurrence of abnormal power; (5)A capacitor for time domain filter’s t in constant is incorporated and the time constant can be set by an external resistance.
Diagrams
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