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参数资料
| 型号： | MIC810TYC3 TR |
| 厂商： | Micrel Inc |
| 文件页数： | 1/6页 |
| 文件大小： | 0K |
| 描述： | IC RESET GEN 3.08V VTH SC70 |
| 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： | 高有效 |
| 复位超时： | 最小为 140 ms |
| 电压 - 阀值： | 3.08V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SC-70，SOT-323 |
| 供应商设备封装： | SC-70-3 |
| 包装： | 带卷 (TR) |
| 其它名称： | MIC810TYC3TR MIC810TYC3TR-ND |
MIC809/810
Microprocessor Reset Circuits
General Description
The MIC809 and MIC810 are inexpensive microprocessor
supervisory circuits that monitor power supplies in micro-
processor 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
3V, 3.3V or 5V powered systems.
The MIC809 has an active-low /RESET output, while the
MIC810 offers an active-high RESET output. The reset output
is guaranteed to remain asserted for a minimum of 140ms
after V CC has risen above the designated reset threshold
level. Having a push-pull output stage, the MIC809/810 does
not require a pull-up resistor at the output. The MIC809/810
comes in a 3-pin SOT-23 and SC-70 package.
The MIC809 is also available with a shorter reset timeout
(30ms min.). See the MIC809-5.
All support documentation can be found on Micrel’s web site
at www.micrel.com.
Typical Application
VCC
MIC809
RESET
Features
? Precision voltage monitor for 3V, 3.3V or 5V power sup-
plies
? /RESET remains valid with V CC as low as 1.4V for SOT-
23 packaged part
? /RESET remains valid with VCC as low as 1V for SC70
packaged part
? Typically less than15μA supply current for SOT-23 pack-
aged part
? 5μ typical supply current for SC70 packaged part
? 140ms minimum reset pulse widths available
? Available in 3-pin SOT-23 and SC-70 package
Applications
? Portable equipment
? Intelligent instruments
? Critical microprocessor power monitoring
? Printers/computers
? Controllers
VCC
VCC
μP
RESET
Micrel, Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel + 1 (408) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com
April 2005
1
M0450-041405
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