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AS1918S-T PDF预览

AS1918S-T

更新时间: 2024-01-24 04:56:59
品牌 Logo 应用领域
艾迈斯 - AMSCO 微处理器监控
页数 文件大小 规格书
13页 403K
描述
Microprocessor Supervisory Circuits with Manual Reset and Watchdog

AS1918S-T 技术参数

是否Rohs认证: 符合生命周期:Contact Manufacturer
零件包装代码:SOT-23包装说明:LSSOP,
针数:5Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.16其他特性:MANUAL RESET INPUT
可调阈值:YES模拟集成电路 - 其他类型:POWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 代码:R-PDSO-G5长度:2.925 mm
信道数量:1功能数量:1
端子数量:5最高工作温度:125 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:LSSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, LOW PROFILE, SHRINK PITCH峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified座面最大高度:1.45 mm
最大供电电压 (Vsup):3.6 V最小供电电压 (Vsup):1.8 V
表面贴装:YES温度等级:AUTOMOTIVE
端子形式:GULL WING端子节距:0.95 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:1.625 mmBase Number Matches:1

AS1918S-T 数据手册

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austriamicrosystems  
Data Sheet  
AS1916 - AS1918  
Microprocessor Supervisory Circuits with Manual  
Reset and Watchdog  
1 General Description  
2 Key Features  
VCC Supervisory Range: +1.8 to +3.6V  
Guaranteed Reset Valid Down to VCC = +1.0V  
Reset Timeout Delay: 215ms  
The AS1916 - AS1918 microprocessor supervisory cir-  
cuits were designed to generate a reset when the moni-  
tored supply voltage falls below a factory-trimmed  
threshold. The reset remains asserted for a minimum  
timeout period after the supply voltage stabilizes.  
Guaranteed to be in the correct state for VCC higher than  
+1.0V, these devices are ideal for portable and battery-  
powered systems with strict monitoring requirements.  
Manual Reset Input  
The devices feature factory-trimmed thresholds to moni-  
tor a supply voltage between 1.8 and 3.6V.  
Three Reset Output Types  
- Active-Low Push/Pull (AS1916)  
- Active-High Push/Pull (AS1917)  
- Active-Low Open-Drain (AS1918)  
The devices are available with the reset output types  
listed in Table 1.  
Table 1. Standard Products  
Watchdog Timeout Period: 1.5s  
Immune to Fast Negative VCC Transients  
External Components Not Required  
5-pin SOT23 Package  
Model  
AS1916  
AS1917  
AS1918  
Reset Output Type  
Active-Low Push/Pull  
Active-High Push/Pull  
Active-Low Open-Drain  
The AS1916 - AS1918 include a manual-reset input for  
systems that never fully power down the microproces-  
sor.  
3 Applications  
The devices are ideal for portable and battery-powered  
systems, embedded controllers, intelligent instruments,  
automotive systems, and critical CPU monitoring appli-  
cations.  
Additionally, these devices feature a watchdog timer to  
help ensure that the processor is operating within proper  
code boundaries.  
The AS1916 - AS1918 are available in a 5-pin SOT23  
package.  
Figure 1. Typical Application Diagram  
I/O Supply  
5
1
VCC  
RESETN  
RESETN  
VCC  
AS1916/  
AS1918  
CPU  
3
External  
Reset  
4
MRN  
GND  
I/O  
WDI  
GND  
2
www.austriamicrosystems.com  
Revision 0.52  
1 - 13  

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