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Timers & Support Products
INTERSIL [Intersil Corporation]
The Intersil  IS82C54Z  is a high performance CMOS  Programmable Interval Timer manufactured using an  advanced 2 micron CMOS process. The 82C54 has three independently programmable and  functional 16-bit counters, each capable of handling clock  input frequencies of up to 8MHz (82C54) or 10MHz  (82C54-10) or 12MHz (82C54-12). The high speed and industry standard configuration of the  82C54 make it compatible with the Intersil 80C86, 80C88,  and 80C286 CMOS microprocessors along with many  other industry standard processors. Six programmable timer modes allow the 82C54 to be used as an event  counter, elapsed time indicator, programmable one-shot,  and many other applications. Static CMOS circuit design  insures low power operation. The Intersil advanced CMOS process results in a significant  reduction in power with performance equal to or greater than existing equivalent products
IS82C54Z Features
• 8MHz to 12MHz Clock Input Frequency
• Compatible with NMOS 8254
- Enhanced Version of NMOS 8253
• Three Independent 16-Bit Counters
• Six Programmable Counter Modes
• Status Read Back Command
• Binary or BCD Counting
• Fully TTL Compatible
• Single 5V Power Supply
• Low Power


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