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82C84A

更新时间: 2024-10-27 14:57:11
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瑞萨 - RENESAS /
页数 文件大小 规格书
13页 644K
描述
CMOS Clock Generator Driver

82C84A 数据手册

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DATASHEET  
82C84A  
CMOS Clock Generator Driver  
FN2974  
Rev 4.00  
Sep 9, 2015  
The Intersil 82C84A is a high performance CMOS Clock  
Generator-driver which is designed to service the requirements  
of both CMOS and NMOS microprocessors such as the  
80C86, 80C88, 8086 and the 8088. The chip contains a crystal  
controlled oscillator, a divide-by-three counter and complete  
“Ready” synchronization and reset logic.  
Features  
• Generates the System Clock For CMOS or NMOS  
Microprocessors  
• Up to 25MHz Operation  
• Uses a Parallel Mode Crystal Circuit or External  
Frequency Source  
Static CMOS circuit design permits operation with an external  
frequency source from DC to 25MHz. Crystal controlled  
operation to 25MHz is guaranteed with the use of a parallel,  
fundamental mode crystal and two small load capacitors.  
• Provides Ready Synchronization  
• Generates System Reset Output From Schmitt Trigger  
Input  
• TTL Compatible Inputs/Outputs  
• Very Low Power Consumption  
• Single 5V Power Supply  
All inputs (except X1 and RES) are TTL compatible over  
temperature and voltage ranges.  
Power consumption is a fraction of that of the equivalent  
bipolar circuits. This speed-power characteristic of CMOS  
permits the designer to custom tailor his system design with  
respect to power and/or speed requirements.  
• Operating Temperature Ranges  
- C82C84A . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to +70°C  
- I82C84A . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to +85°C  
- M82C84A . . . . . . . . . . . . . . . . . . . . . . .-55°C to +125°C  
• Pb-Free Plus Anneal Available (RoHS Compliant)  
Pinouts  
82C84A  
(PDIP, CERDIP)  
TOP VIEW  
82C84A (PLCC, CLCC)  
TOP VIEW  
CSYNC  
PCLK  
AEN1  
1
2
3
4
5
6
7
8
9
18  
V
CC  
3
2
1
20 19  
17 X1  
18  
17  
X2  
4
5
6
7
8
RDY1  
READY  
RDY2  
AEN2  
NC  
16 X2  
ASYNC  
15 ASYNC  
RDY1  
16 EFI  
EFI  
READY  
RDY2  
14  
15  
14  
F/C  
NC  
13 F/C  
12 OSC  
11 RES  
10 RESET  
AEN2  
9
10 11 12 13  
CLK  
GND  
FN2974 Rev 4.00  
Sep 9, 2015  
Page 1 of 13  

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