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EM83055H

Features: • Low cost - eliminate need external components.• Phantom key detects.• RC oscillator ( 1.8432MHz ).• Support scan code set 1 ,2 and 3.• Support PC AT and PS/2 keyboard .• Low power CMOS device technology.• Internal pull-up resistor.• Tri-s...

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SeekIC No. : 004336112 Detail

EM83055H: Features: • Low cost - eliminate need external components.• Phantom key detects.• RC oscillator ( 1.8432MHz ).• Support scan code set 1 ,2 and 3.• Support PC AT and PS/...

EM83055H Data Sheet

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Part Number:
EM83055H
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

• Low cost - eliminate need external components.
• Phantom key detects.
• RC oscillator ( 1.8432MHz ).
• Support scan code set 1 ,2 and 3.
• Support PC AT and PS/2 keyboard .
• Low power CMOS device technology.
• Internal pull-up resistor.
• Tri-state outputs for easy board application.
• Built-in 4K ROM.
• Support WINDOWSTM 95, 98, 2000, ME keys.
• 104/107 keys with multi-media or other special application keyboard encoder.
• WINDOWS is registered trademarks of Microsoft corperation.


Application

• IBM PC AT or compatible machine keyboard.
• IBM PS/2 model 30,50,60,80 or compatible machine keyboard.
• Japanese keyboard.
• Korean keyboard.
• Brazilian keyboard.
• European keyboard.


Pinout

Connection Diagram


Specifications

Parameter
Sym.
Ratings
Supply Voltage VCC -0.5V to +7V
Input Voltage VIN -0.3V to +6V
Output Voltage VOUT -0.3V to +6V
Temperature under bias TB 0 to 70
Storage temperature TS -65 to 150



Description

The EM83055H microcontroller is dedicated to a keyboard encoder ,specially designed for IBM PC AT and all compatible machines. The EM83055H controll all scan codes, three LEDs status, scan timing and communications between the keyboard and PC. It is easy to implement a high performance, low cost keyboard with the minimal external components.




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