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HT82K28A

Features: · Designed for Windows 95/98/NT· Supports 3 Windows 95 Keys· Supports Power, Sleep and Wake-up Windows 98 ACPI functions· Supports Japanese, Korean and Portuguese· Supports Japanese DOS/V 106-key keyboard· Supports code set 1, for PS/2 model 30 keyboard· Supports code set 2, for PC/AT, P...

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SeekIC No. : 004367048 Detail

HT82K28A: Features: · Designed for Windows 95/98/NT· Supports 3 Windows 95 Keys· Supports Power, Sleep and Wake-up Windows 98 ACPI functions· Supports Japanese, Korean and Portuguese· Supports Japanese DOS/V ...

HT82K28A Data Sheet

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Part Number:
HT82K28A
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: 2024/4/18

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Product Details

Description



Features:

· Designed for Windows 95/98/NT
· Supports 3 Windows 95 Keys
· Supports Power, Sleep and Wake-up Windows 98 ACPI functions
· Supports Japanese, Korean and Portuguese
· Supports Japanese DOS/V 106-key keyboard
· Supports code set 1, for PS/2 model 30 keyboard
· Supports code set 2, for PC/AT, PS/2 model 50,60 keyboards
· Supports code set 3, for PS/2 model 80 keyboard
· RC oscillator
· Phantom key detection
· Minimal external components
· Pin-compatible with Holtek HT6547E-2
· 40-pin DIP/DICE form


Pinout

Connection Diagram


Specifications

Supply Voltage.........................4.75V to 5.25V
Input Voltage................VSS-0.3V to VDD+0.3V
Storage Temperature................ -55to 125
Operating Temperature ..................- to 70

Note: These are stress ratings only. Stresses exceeding the range specified under "Absolute MaximumRatings " may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability.


Description

The HT82K28A is a keyboard encoder especially designed for IBM PC/AT, IBM PS/2 and all compatible machines.

The HT82K28A accepts keyboard inputs and contains a 16-character first-in-first-out buffer in which data is stored. An inexpensive RC oscillator can be used for the system clock. The device offers the advantage of simple implementation in high performance and low cost keyboard applications.




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