参数资料
型号: MIC1815-10U TR
厂商: Micrel Inc
文件页数: 1/6页
文件大小: 0K
描述: IC SUPERVSR RESET 2.88V SOT23-3
标准包装: 3,000
类型: 简单复位/加电复位
监视电压数目: 1
输出: 推挽式,图腾柱
复位: 低有效
复位超时: 最小为 100 ms
电压 - 阀值: 2.88V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: TO-236-3,SC-59,SOT-23-3
供应商设备封装: SOT-23-3
包装: 带卷 (TR)
其它名称: MIC1815-10UTR
MIC1815
General Description
The MIC1815 is an inexpensive microprocessor supervisory
circuit that monitors power supplies in microprocessor based
systems.
The function of these devices is to assert a reset if the power
supply drops below a designated reset threshold level. Several
different reset threshold levels are available to accommodate
10% or 20% drop in 3.3V powered systems.
The MIC1815 has an active low /RESET output. The reset
output is guaranteed to remain asserted for a minimum of
100ms after V CC has risen above the designated reset thresh-
old level. The MIC1815 comes in a 3-pin SOT-23 package.
Micrel
MIC1815
Microprocessor Reset Circuit
Features
? Precision voltage monitor for 10% or 20% drop in 3.3V
power supplies
? /RESET remains valid with V CC as low as 1V
? 5μA supply current
? 100ms minimum reset pulse width
? No external components required
? Available in 3-pin SOT-23 package
Applications
? Portable equipment
? Intelligent instruments
? Critical microprocessor power monitoring
? Printers/computers
? Embedded controllers
Ordering Information
Part Number Marking
Threshold
Voltage
Operating Temp. Range
Package
Pb-Free
MIC1815-10U
MIC1815-20U
MIC1815-10UY
MIC1815-20UY
ND
NE
ND
NE
2.88V
2.55V
2.88V
2.55V
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
SOT-23
SOT-23
SOT-23
SOT-23
No
No
Yes
Yes
Typical Application
VCC
VCC
MIC1815
RESET
VCC
μP
RESET
Micrel, Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel + 1 (408) 474-1000 ? fax + 1 (408) 944-0970 ? http://www.micrel.com
July 2005
1
MIC1815
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