datasheets 82c54 free download

File name 82c54.pdf

82C54 CHMOS PROGRAMMABLE INTERVAL TIMER Y Compatible with all Intel and most Y Three independent 16-bit counters other microprocessors Y Low Power CHMOS Y High Speed ``Zero Wait State'' ICC e 10 mA 8 MHz Count Operation with 8 MHz 8086 88 and frequency 80186 188 Y Completely TTL Compatible Y Handles Inputs from DC Y Six Programmable Counter Modes 10 MHz for 82C54-2 Y Binary or BCD counting Y Available in EXPRESS Standard Temperature Range Y Status Read Back Command Extended Temperature Range Y Available in 24-Pin DIP and 28-Pin PLCC The Intel 82C54 is a high-performance CHMOS version of the industry standard 8254 counter timer which is designed to solve the timing control problems common in microcomputer system design It provides three independent 16-bit counters each capable of handling clock inputs up to 10 MHz All modes are software programmable The 82C54 is pin compatible with the HMOS 8254 and is a superset of the 8253 Six programmable timer modes allow the 82C54 to be used as an event counter elapsed time indicator programmable one-shot and in many other applications The 82C54 is fabricated on Intel's advanced CHMOS III technology which provides low power consumption with performance equal to or greater than the equivalent HMOS product The 82C54 is available in 24-pin DIP and 28-pin plastic leaded chip carrier (PLCC) packages 231244