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ADM6321CY48ARJZ-RL7

更新时间： 2024-01-21 04:59:14
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亚德诺 - ADI /
页数 文件大小 规格书
16页 302K
描述
IC,POWER SUPPLY SUPERVISOR,TSOP,5PIN,PLASTIC

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ADM6321CY48ARJZ-RL7 数据手册

 浏览型号ADM6321CY48ARJZ-RL7的Datasheet PDF文件第2页浏览型号ADM6321CY48ARJZ-RL7的Datasheet PDF文件第3页浏览型号ADM6321CY48ARJZ-RL7的Datasheet PDF文件第4页浏览型号ADM6321CY48ARJZ-RL7的Datasheet PDF文件第5页浏览型号ADM6321CY48ARJZ-RL7的Datasheet PDF文件第6页浏览型号ADM6321CY48ARJZ-RL7的Datasheet PDF文件第7页 
Supervisory Circuits with Watchdog  
and Manual Reset in 5-Lead SOT-23  
ADM6316/ADM6317/ADM6318/ADM6319/ADM6320/ADM6321/ADM6322  
FEATURES  
FUNCTIONAL BLOCK DIAGRAMS  
26 reset threshold options  
2.5 V to 5 V in 100 mV increments  
4 reset timeout options  
1 ms, 20 ms, 140 ms, and 1120 ms (minimum)  
4 watchdog timeout options  
6.3 ms, 102 ms, 1600 ms, and 25.6 sec (typical)  
Manual reset input  
ADM6316  
V
CC  
V
CC  
RESET  
GENERATOR  
RESET  
V
REF  
DEBOUNCE  
MR  
WATCHDOG  
DETECTOR  
Reset output stages  
Push-pull active low  
Open-drain active low  
Push-pull active high  
GND  
WDI  
Low power consumption: 5 μA  
Guaranteed reset output valid to VCC = 1 V  
Power supply glitch immunity  
Specified over industrial temperature range  
5-lead SOT-23 package  
Figure 1.  
ADM6320  
V
CC  
RESET  
GENERATOR  
RESET  
APPLICATIONS  
V
REF  
Microprocessor systems  
Computers  
Controllers  
DEBOUNCE  
MR  
WATCHDOG  
DETECTOR  
Intelligent instruments  
Portable equipment  
GND  
WDI  
Figure 2.  
GENERAL DESCRIPTION  
The ADM6316/ADM6317/ADM6318/ADM6319/ADM6320/  
ADM6321/ADM6322 are supervisory circuits that monitor  
power supply voltage levels and code execution integrity in  
microprocessor-based systems. As well as providing power-  
on reset signals, an on-chip watchdog timer can reset the  
microprocessor if it fails to strobe within a preset timeout  
period. A reset signal can also be asserted by an external push  
button through a manual reset input. The seven parts feature  
different combinations of watchdog input, manual reset input,  
and output stage configuration, as shown in Table 1.  
Each part is available in a choice of 26 reset threshold options  
ranging from 2.5 V to 5 V in 100 mV increments. There are also  
four reset timeout options of 1 ms, 20 ms, 140 ms, and 1120 ms  
(minimum) and four watchdog timeout options of 6.3 ms, 102 ms,  
1600 ms, and 25.6 sec (typical).  
The ADM6316/ADM6317/ADM6318/ADM6319/ADM6320/  
ADM6321/ADM6322 are available in 5-lead SOT-23 packages  
and typically consume only 3 μA, making them suitable for use  
in low power portable applications.  
Table 1. Selection Table  
Output Stage  
RESET  
Part No.  
Watchdog  
Yes  
Yes  
Yes  
No  
Yes  
Yes  
No  
Manual Reset  
RESET  
ADM6316  
ADM6317  
ADM6318  
ADM6319  
ADM6320  
ADM6321  
ADM6322  
Yes  
Yes  
No  
Yes  
Yes  
No  
Yes  
Push-pull  
No  
No  
Push-pull  
Push-pull  
Push-pull  
No  
Push-pull  
Push-pull  
Push-pull  
Push-pull  
Open-drain  
Open-drain  
Open-drain  
Rev. D  
Information furnished by Analog Devices is believed to be accurate and reliable. However, no  
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other  
rights of third parties that may result from its use. Specifications subject to change without notice. No  
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.  
Trademarks and registeredtrademarks arethe property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700 www.analog.com  
Fax: 781.461.3113 ©2004–2008 Analog Devices, Inc. All rights reserved.  
 
 
 
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