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PC8477B Datasheet Advanced Floppy Disk Controller

Manufacturer: National Semiconductor (now Texas Instruments)

Overview: PC8477B (SuperFDC) Advanced Floppy Disk Controller August 1993 PC8477B (SuperFDC TM ) Advanced Floppy Disk.

General Description

The PC8477B CMOS advanced floppy disk controller is an enhanced version of National’s DP8473 floppy controller The PC8477B is software patible with the DP8473 and NEC mPD765 floppy disk controllers In addition it is pin and software patible with the Intel 82077AA floppy controller The PC8477B a 24 MHz crystal a device chip select and a resistor package are all that is needed for a plete PC-AT PS 2 or EISA floppy controller solution The PC8477B includes advanced

Key Features

  • such as a 16 byte FIFO (Burst and Non-Burst modes) support of Perpendicular Recording Mode disk drives PS 2 diagnostic registers for Model 30 and Models 50 60 80 standard CMOS disk I O and additional commands to control these new features The 16 byte FIFO will increase system performance at higher data rates and with multi-tasking bus structures This controller is designed to fit into all PC-AT EISA and PS 2 designs as well as other advanced.

More Datasheets from National Semiconductor (now Texas Instruments)

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PC87120 PC87120 SuperAT
PC87200 PC87200 PCI to ISA Bridge
PC87303VUL Floppy Disk Controller / Keyboard Controller
PC87306 Floppy Disk Controller / Keyboard Controller
PC87307 Plug and Play Compatible

PC8477B Distributor