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CBM708RMS8 PDF预览

CBM708RMS8

更新时间: 2024-11-06 00:46:51
品牌 Logo 应用领域
芯佰微 - COREBAI /
页数 文件大小 规格书
19页 2421K
描述
OPERATION INSTRUCTION

CBM708RMS8 数据手册

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CBM706P/706R/706S/706T/708R/708S/708T  
OPERATION INSTRUCTION  
FEATURES  
GENERAL DESCRIPTION  
Precision supply voltage monitor  
2.63 V (CBM706P, CBM706R, CBM708R)  
The CBM706P/ CBM706R/ CBM706S/  
CBM706T and the CBM708R/ CBM708S /  
CBM708T microprocessor supervisory circuits  
are suitable for monitoring either 3V or 3.3V  
power supplies.  
2.93 V (CBM706S, CBM708S)  
3.08 V (CBM706T, CBM708T)  
100µA quiescent current  
200ms reset pulse width  
The CBM706P/ CBM706R/ CBM706S/  
CBM706T provide power supply monitoring  
circuitry that generate a reset output during  
power-up, power-down, and brownout  
conditions. The reset output remains  
operational with VCC as low as 1V.  
ꢀꢀꢀꢀ  
Debounced manual reset input (MR)  
Independent watchdog timer  
1.6 sec timeout (CBM706P, CBM706R,  
CBM706S, CBM706T)  
Independent  
watchdog  
monitoring  
Voltage monitor for power fail or low  
battery warning  
circuitry is also provided. This activates if the  
watchdog input does not toggle within 1.6  
sec.  
ꢀꢀꢀꢀꢀꢀꢀ  
Guaranteed RESET valid with VCC = 1 V  
Superior upgrade for ADM706P/R/S/T,  
ADM708R/S/T  
In addition, there is a 1.25V threshold  
detector for a power fail warning, low battery  
detection, or to monitor an additional power  
APPLICATIONS  
ꢀꢀꢀꢀ  
supply. An active low debounced MR input is  
also included.  
Microprocessor systems  
Computers  
The CBM706R, CBM706S, and CBM706T  
are identical except for the reset threshold  
monitor levels, which are 2.63V, 2.93V, and  
3.08V, respectively. The CBM706P is identical  
to the CBM706R in that the reset threshold is  
2.63V. It differs only in that it has an active  
high reset output.  
Controllers  
Intelligent instruments  
Critical microprocessor monitoring  
Battery operated systems  
Portable instruments  
The CBM708R/ CBM708S/ CBM708T  
provide  
similar  
functio-nality  
as  
the  
CBM706R/CBM706S/CBM706T and only differ  
in that a watchdog timer function is not  
available. Instead, an active high reset output  
(RESET) is provided in addition to the active  
ꢀꢀꢀꢀꢀꢀꢀ  
low (RESET) output.  
All devices are available in narrow 8-lead  
PDIP and 8-lead SOIC packages.  
1
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