Intel 8284

The Intel 8284 is an oscillator chip, is designed for Intel-8086/8087/8088/8089-Prozessoren. The block is supplied in 18 -pin DIP. He was licensed to, inter alia, the NEC and Siemens.

It consists of a clock generator and an additional logic for the READY / RESET control. It has been used for the first computer (IBM PC, and the IBM PC XT). In the IBM PC AT successor is used 82284.

Literature and data sheets

  • Josef Koller: 16 bit microcomputer, 1st Edition, Hofacker Verlag, Munich 1981, ISBN 3-921682-80-0, chap. 4.2.2 " clock generator 8284 ", pp. 202-206.
  • Fifi A. Zinser: 8284A clock generator for 8086/88-Systeme, c't, 1988, No. 3, pp. 98-99.
  • NEC Electronics (Europe) GmbH, 1982 Catalog, pp. 707-721.
  • Chip Find Datasheet Archive: Intel 8284A.
IBM Personal Computer IBM Personal Computer XT
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