Holtek Semiconductor HT82K28
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. The device offers the advantage of simple implementation in high performance and low cost keyboard applications.| Part No. | HT82K28 |
|---|---|
| Datasheet | HT82K28 Download |
| Manufacturer |  Holtek Semiconductor |
| Description | Win98 Keyboard Encoder |
| Buy | Stock & Price |
FEATURES
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● 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
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● 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
GENERAL DESCRIPTION
An inexpensive RC oscillator can be used for the system clock. Pin Assignment O S C 1 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 V S S V D D V S S IO 0 IO 1 C 2 C 3 C 4 C 5 C 6 C 7 R 1 0 R 1 1 R 1 2 R 0 R 1 R 2 R 3 R 4 4 0 3 9 3 8 3 7 3 6 3 5 3 4 3 3 3 2 3 1 3 0 2 9 2 8 2 7 2 6 2 5 2 4 2 3 2 2 2 1 C 1 C 0 D A T A C L O C K R 1 8 R 1 7 N C R 1 6 C A P N U M S C R L R 9 R 8 R 1 5 R 1 4 N C R 1 3 R 7 R 6 R 5 H T 8 2 K 2 8 A 4 0 D IP 1 February 16, 2000 HT82K28A PinDESCRIPTION
Pin No.
