Datasheet4U Logo Datasheet4U.com

HT6550A - Super I/O Controller

General Description

The HT6550A super Multi I/O chip, is an advanced CMOS single chip controller offering the complete I/O solutions for the IBM AT environments.

Key Features

  • 100% compatible to IBM PC AT.
  • Fully uPD765b and IBM.
  • BIOS compatible floppy disk controller.
  • 48mA floppy drive interface buffers.
  • Support two floppy drives with capability of supporting up to four drives with an external decoder.
  • Support 360K/720K/1.2M/1.44M formats.
  • Support 250Kb/s, 300Kb/s, 500Kb/s data rate.
  • Digital data separator eliminates critical analog adjustments.
  • Two 16450/8250 compatible UARTs.
  • In.

📥 Download Datasheet

Datasheet Details

Part number HT6550A
Manufacturer Holtek Microelectronics
File Size 436.20 KB
Description Super I/O Controller
Datasheet download datasheet HT6550A Datasheet

📁 Similar Datasheet

Part Number Description Manufacturer
HT651 318 Series of Decoders Holtek Semiconductor Inc
HT651023B LVDS serializer/decoder transmitter HTCSEMI
HT651024B LVDS serializer/decoder transmitter HTCSEMI
HT6513 Mouse Controller Holtek Semiconductor Inc
HT6513B M+ Plug & Play Mouse Controller Holtek Semiconductor

Other Datasheets by Holtek Microelectronics

Part Number Description
HT6550 Super I/O Controller
HT6551 Super I/O Controller
HT6560A VL-Bus IDE Controler
HT6560B VL-Bus IDE Controler
HT6570 I/O TTL Integration

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
HT6550A Super I/O Controller Features • 100% compatible to IBM PC AT • Fully uPD765b and IBM–BIOS compatible floppy disk controller – 48mA floppy drive interface buffers – Support two floppy drives with capability of supporting up to four drives with an external decoder – Support 360K/720K/1.2M/1.