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SC83702

Features: *Built-in two zener diode between VDD and VSS, RTS and VDD*Built-in noise immunity circuit*CMOS DIP 16 pins package&SOP 16 pins package*Low power dissipation*Use 32.768KHz crystal or 3.58MHz resonator*Oscillator circuits on-chip*Serial output in 1200 baud rate*Can be powered directly...

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SeekIC No. : 004485722 Detail

SC83702: Features: *Built-in two zener diode between VDD and VSS, RTS and VDD*Built-in noise immunity circuit*CMOS DIP 16 pins package&SOP 16 pins package*Low power dissipation*Use 32.768KHz crystal or 3...

SC83702 Data Sheet

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Part Number:
SC83702
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/12/26

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Product Details

Description



Features:

*Built-in two zener diode between VDD and VSS, RTS and VDD
*Built-in noise immunity circuit
*CMOS DIP 16 pins package&SOP 16 pins package
*Low power dissipation
*Use 32.768KHz crystal or 3.58MHz resonator
*Oscillator circuits on-chip
*Serial output in 1200 baud rate
*Can be powered directly from RS-232C
*Can drive directly to RS-232C
*Three key-switches and four photo-couples inputs
*Both key-in and key-release debounce interval 13ms
*Through three key-switches input, SC83702 can exert seven different output
*The sampling rate of motion detector is 65KHz


Application

*Optical mouse or pen-mouse
*Mechanical mouse or pen-mouse
*Optomechanical mouse or pen-mouse
*Mechanical track ball
*Optomechanical track ball


Pinout

Connection Diagram


Specifications

         Characteristic

Value

Unit

Supply Voltage

 VDD-VSS

-0.3~+7.0

V

PTS-VSS
-0.3~+14
V
Temperature Under Bias
0~70

Storage Temperature

-65 ~ +150

 

Power Dissipation

600

mW




Description

The SC83702 Mouse Controller is specially designed to control mouse device. This single chip can interface three key-switches and four photo-couple direct to RS-232C. The SC83702 does not need any external power supply, so the mouse can go without a power line. It is versatile with both microsoft and mouse system. Debouncing circuit were provided to prevent false entry and to improve the accuracy. In 1200 baud rate non-auto speed with 200 DPI wheels and photo-couples, the scanning is 650mm/sec without missing a dot in microsoft mode, and the scanning speed can up to 770mm/sec in mouse system mode.




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