KA2821D
Features
- -
- -
- -
- Built-in chip enable function (Active low) Low saturation voltage Low power dissipation Input level: TTL, LSTTL, 5V CMOS patible Standard MPU direct interface Built-in Thermal Shutdown(TSD) circuit 2-CH H-bridge driver
Description
The KA2821D is a monolithic integrated circuit, and suitable as a two-phase stepping motor driver of a 3.5-inch FDD system.
20-SOP-300
Typical Application
- Floppy disk drive (FDD)
- General stepping motor
Ordering Information
Device KA2821D Package 20-SOP-300 Operating Temp.
- 20 ~ +75°C
Rev. 1.0.2 May. 2000.
©2000 Fairchild Semiconductor International
Pin Assignments
1 2 3 NC 4 SGND 5 PGND 6 PGND 7 SGND 8 DIRB 9 CE 10 NC 11 NC 12 VSB 13 BOUT 14 BOUT 16 17 AOUT PGND 15 PGND 20 19 18 AOUT
NC VCC
NC VSA
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 VCC DIRA SGND PGND PGND SGND DIRB CE NC NC VSB BOUT BOUT P-GND P-GND AOUT AOUT VSA NC I/O I I I O O O O Pin Function...