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82C54 PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 82C54
部品説明 CHMOS PROGRAMMABLE INTERVAL TIMER
メーカ Intel Corporation
ロゴ Intel Corporation ロゴ 



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82C54 Datasheet, 82C54 PDF,ピン配置, 機能
82C54
CHMOS PROGRAMMABLE INTERVAL TIMER
Y Compatible with all Intel and most
other microprocessors
Y High Speed ‘‘Zero Wait State’’
Operation with 8 MHz 8086 88 and
80186 188
Y Handles Inputs from DC
10 MHz for 82C54-2
Y Available in EXPRESS
Standard Temperature Range
Extended Temperature Range
Y Three independent 16-bit counters
Y Low Power CHMOS
ICC e 10 mA 8 MHz Count
frequency
Y Completely TTL Compatible
Y Six Programmable Counter Modes
Y Binary or BCD counting
Y Status Read Back Command
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 – 3
PLASTIC LEADED CHIP CARRIER
231244 –1
Figure 1 82C54 Block Diagram
October 1994
231244 – 2
Diagrams are for pin reference only
Package sizes are not to scale
Figure 2 82C54 Pinout
Order Number 231244-006

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