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IS82C54-12 PDF预览

IS82C54-12

更新时间: 2024-11-17 22:48:03
品牌 Logo 应用领域
英特矽尔 - INTERSIL 外围集成电路双倍数据速率
页数 文件大小 规格书
17页 145K
描述
CMOS Programmable Interval Timer

IS82C54-12 数据手册

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82C54  
CMOS Programmable Interval Timer  
March 1997  
Features  
Description  
• 8MHz to 12MHz Clock Input Frequency  
The Intersil 82C54 is a high performance CMOS Program-  
mable Interval Timer manufactured using an advanced 2  
micron CMOS process.  
• Compatible with NMOS 8254  
- Enhanced Version of NMOS 8253  
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).  
• Three Independent 16-Bit Counters  
• Six Programmable Counter Modes  
• Status Read Back Command  
• Binary or BCD Counting  
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.  
• Fully TTL Compatible  
• Single 5V Power Supply  
• Low Power  
- ICCSB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10µA  
- ICCOP . . . . . . . . . . . . . . . . . . . . . . . . . .10mA at 8MHz  
• Operating Temperature Ranges  
The Intersil advanced CMOS process results in a significant  
reduction in power with performance equal to or greater than  
existing equivalent products.  
o
o
- C82C54 . . . . . . . . . . . . . . . . . . . . . . . . . .0 C to +70 C  
o
o
- I82C54 . . . . . . . . . . . . . . . . . . . . . . . . . -40 C to +85 C  
o
o
- M82C54 . . . . . . . . . . . . . . . . . . . . . . . -55 C to +125 C  
Pinouts  
82C54 (PDIP, CERDIP, SOIC)  
82C54 (PLCC/CLCC)  
TOP VIEW  
TOP VIEW  
D7  
D6  
1
2
3
4
5
6
7
8
9
24  
VCC  
23 WR  
22  
4
3
2
1
28 27 26  
D5  
RD  
D4  
D3  
5
6
25 NC  
21 CS  
D4  
24 CS  
D3  
20 A1  
D2  
19 A0  
D2  
7
23 A1  
D1  
18 CLK 2  
17 OUT 2  
16 GATE 2  
D1  
8
22 A0  
D0  
9
D0  
21 CLK2  
20 OUT 2  
19 GATE 2  
CLK 0  
10  
11  
CLK 0  
NC  
15  
OUT 0 10  
GATE 0 11  
GND 12  
CLK 1  
14 GATE 1  
13 OUT 1  
12 13 14 15 16 17 18  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
File Number 2970.1  
http://www.intersil.com or 407-727-9207 | Copyright © Intersil Corporation 19994-1  

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