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AS1918S-T PDF预览

AS1918S-T

更新时间: 2024-02-19 01:59:30
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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AS1916 - AS1918  
austriamicrosystems  
Data Sheet  
Pin Assignments  
7 Pinout  
Pin Assignments  
Figure 8. Pin Assignments (Top View)  
RESETN/RESET  
1
2
5
VCC  
AS1916 -  
AS1918  
GND  
MRN  
3
4
WDI  
Pin Descriptions  
Table 4. Pin Descriptions  
Pin  
Number  
Pin  
Name  
Description  
Active-Low Reset Output (AS1916, AS1918). The RESETN signal toggles from high to low  
when VCC, or MRN is pulled low, or the watchdog triggers a reset. This output signal remains  
low for the reset timeout period after all supervised voltages exceed their reset threshold, or  
MRN goes low to high, or the watchdog triggers a reset.  
RESETN  
1
Active-High Reset Output (AS1917). The RESET signal toggles from low to high when  
VCC, or MRN is pulled low, or the watchdog triggers a reset. This output signal remains high  
for the reset timeout period (see tRP on page 3) after all supervised voltages exceed their  
reset threshold, or MRN goes low to high, or the watchdog triggers a reset.  
RESET  
GND  
Ground  
2
3
Active-Low Manual Reset Input. Pulling this pin low asserts a reset. This pin is connected  
to the internal 50kΩ pullup to VCC. This reset remains active as long as MRN is low and for  
the reset timeout period (see tRP on page 3) after MRN goes high.  
MRN  
Note: If the manual reset feature is not used, this pin should be unconnected or connected  
to VCC.  
Watchdog Input. If WDI remains high or low for longer than the watchdog timeout period  
(see tWD on page 4), the internal watchdog timer period expires and a reset is triggered for  
the reset timeout period (see tRP on page 3). The internal watchdog timer clears whenever a  
reset is a asserted or when WDI senses a rising or falling edge.  
4
5
WDI  
VCC  
Note: To disable the watchdog feature, this pin must be unconnected or connected to a tri-  
state buffer output.  
Supervised Voltage Input. This pin serves as the supervised supply voltage input.  
www.austriamicrosystems.com  
Revision 0.52  
6 - 13  

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