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参数资料
| 型号： | FM809YE |
| 厂商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 |
| 封装： | SOT-23, 3 PIN |
| 文件页数： | 1/5页 |
| 文件大小： | 52K |
| 代理商： | FM809YE |
1
www.fairchildsemi.com
FM809
Precision
Reset
Generator
Circuit
www.fairchildsemi.com
FM809 Rev. A.1
FM809
Precision Reset Generator Circuit
General Description
The FM809 features comprehensive reset generation for
microcontroller/microprocessor based systems. If the system VCC
voltage level is determined to be in an out-of-tolerance state, the
device automatically generates a low-going reset signal. The
reset signal is held in the active state (low) for a specified duration
(minimum 140 ms) after the V
CC returns to an in-tolerance state.
The FM809 is fabricated using CMOS technology. The FM809 is
available in the SOT-23 package.
Block Diagram
August 2000
Features
I Automatic reset generation on power-up
I Minimum 140 ms reset pulse — compatible with other similar
809 class devices
I Other reset pulse choices available: 32 - 256 ms
I Choice of commercial and extended temperature ranges
I Choice of Reset Thresholds: 4.63V, 4.38V, 4.00V, 3.08V,
2.93V, 2.63V
I Package available: SOT-23
2000 Fairchild Semiconductor International
VCC Tolerance Detect
& Reset Monitor
VCC
Temp. Compensated
Reference
Output
Stage
Reset_out
(active low)
Connection Diagram
1
2
3
FM809
1 = GND
2 = RESET'
3 = VCC
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| FM809SZ | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 |
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| FM810 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:3-Pin UC Supervisor Circuits |
| FM810J | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Voltage Detector |
| FM810JE | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Voltage Detector |
| FM810JES3 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Voltage Detector |
| FM810JF | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Voltage Detector |
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