KA2820D
Features
- Built-in power save function
- Low saturation voltage
- Low power dissipation
- Input level: TTL, LSTTL, 5V CMOS patible ..
- Standard MPU direct interface
- Built-in Thermal Shutdown(TSD) circuit
Description
The KA2820D is a monolithic integrated circuit, and suitable as a the two-phase stepping motor driver of a 5.25-inch FDD system.
20-SOP-375
Typical Application
- Floppy disk drive (FDD)
- General stepping motor
Ordering Information
Device KA2820D2 Package 20-SOP-375 Operating Temp.
- 20 ~ +75°C
Rev. 1.0.2 May. 2000.
©2000 Fairchild Semiconductor International
Pin Assignments
1 2 3 VCC 4 DIRA 5 GND 6 GND 7 DIRB 8 PS 13 BOUT 9 VS2B 10 NC 11 NC 12 VS1B 14 BOUT 16 17 AOUT GND 15 GND 20 19 18 AOUT
NC VS2A
NC VS1A
..
Pin Definitions
Pin Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Pin Name NC VS2A VCC DIRA GND GND DIRB PS VS2B NC NC VS1B BOUT BOUT GND GND AOUT AOUT VS1A NC I/O I I I O O O O Pin Function Description
No connection...
