Intel 8284
The Intel 8284 is an oscillator chip , which for the Intel 8086 / 8087 / 8088 / 8089 processors has been developed. The component was delivered in an 18-pin DIL package and sent to NEC , Siemens , and others. a. licensed.
It consists of a clock generator and additional logic for READY / RESET control. It has been used since the first PCs ( IBM-PC and IBM-PC XT ). The successor 82284 is used in the IBM PC AT .
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.
- A. Fifi Zinser: Clock generator 8284A for 8086/88 systems , c't, 1988, issue 3, pp. 98-99.
- Datasheet Intel: Intel 8284A / 8284A-1 Clock Generator and Driver for 8086, 8088 Microprocessors .
- NEC Electronics (Europe) GmbH, 1982 Catalog, pp. 707-721 ( µPB8284 Clock Generator and Driver for 8086/8088 Microprocessors ).
Individual evidence
- ↑ Chemnitz University of Technology: The structure of the original IBM PC motherboard ( Memento of the original from December 8, 2011 in the Internet Archive ) Info: The archive link was automatically inserted and not yet checked. Please check the original and archive link according to the instructions and then remove this notice. .
