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DS1232S PDF预览

DS1232S

更新时间: 2024-11-08 04:39:07
品牌 Logo 应用领域
达拉斯 - DALLAS 电源电路电源管理电路光电二极管
页数 文件大小 规格书
7页 99K
描述
MicroMonitor Chip

DS1232S 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:0.300 INCH, SOIC-8Reach Compliance Code:unknown
风险等级:5.62其他特性:PUSHBUTTON RESET OPTION
可调阈值:NO模拟集成电路 - 其他类型:POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码:R-PDSO-G16JESD-609代码:e0
信道数量:1功能数量:1
端子数量:16最高工作温度:70 °C
最低工作温度:封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP16,.4
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
电源:5 V认证状态:Not Qualified
子类别:Power Management Circuits最大供电电流 (Isup):2 mA
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):4.5 V
标称供电电压 (Vsup):5 V表面贴装:YES
技术:CMOS温度等级:COMMERCIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
阈值电压标称:+4.37/4.62VBase Number Matches:1

DS1232S 数据手册

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DS1232  
MicroMonitor Chip  
www.dalsemi.com  
FEATURES  
PIN ASSIGNMENT  
Halts and restarts an out-of-control  
microprocessor  
VCC  
ST  
PBRST  
1
2
3
4
8
TD  
7
6
5
Holds microprocessor in check during power  
transients  
Automatically restarts microprocessor after  
power failure  
RST  
RST  
TOL  
GND  
Monitors pushbutton for external override  
Accurate 5% or 10% microprocessor power  
supply monitoring  
DS1232 8-Pin DIP (300-mil)  
See Mech. Drawings Section  
Eliminates the need for discrete components  
Space-saving, 8-pin mini-DIP  
Optional 16-pin SOIC surface mount package  
Industrial temperature -40°C to +85°C  
available, designated N  
NC  
PBRST  
NC  
1
2
3
4
5
16  
15  
14  
13  
12  
NC  
VCC  
NC  
ST  
TD  
NC  
NC  
TOL  
NC  
6
7
8
11  
10  
9
RST  
NC  
GND  
RST  
DS1232S 16-Pin SOIC (300-mil)  
See Mech. Drawings Section  
PIN DESCRIPTION  
PBRST  
TD  
- Pushbutton Reset Input  
- Time Delay Set  
TOL  
GND  
RST  
- Selects 5% or 10% VCC Detect  
- Ground  
- Reset Output (Active High)  
RST  
- Reset Output (Active Low, open  
drain)  
ST  
- Strobe Input  
VCC  
NC  
- +5 Volt Power  
- No Connections  
DESCRIPTION  
The DS1232 MicroMonitor Chip monitors three vital conditions for a microprocessor: power supply,  
software execution, and external override. First, a precision temperature-compensated reference and  
comparator circuit monitors the status of VCC. When an out-of-tolerance condition occurs, an internal  
power fail signal is generated which forces reset to the active state. When VCC returns to an in-tolerance  
condition, the reset signals are kept in the active state for a minimum of 250 ms to allow the power supply  
and processor to stabilize.  
1 of 7  
111899  

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