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參數資料
| 型號： | MCP809 |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | Microcontroller Supervisory Circuit with Push-Pull Output(帶推挽輸出的微控制器監控電路) |
| 中文描述： | 微控制器監控電路與推，拉輸出（帶推挽輸出的微控制器監控電路） |
| 文件頁數： | 1/8頁 |
| 文件大小： | 83K |
| 代理商： | MCP809 |
1999 Microchip Technology Inc.
Preliminary
DS11194A-page 1
M
MCP809/810
FEATURES
Holds microcontroller in reset until supply voltage
reaches stable operating level
Resets microcontroller during power loss
Precision monitoring of 3V, 3.3V, and 5V systems
7 voltage trip points available
Active low RESET pin (MCP809) or active high
RESET (MCP810)
Push-pull output
Holds RESET/RESET for 350 ms (typical)
Guaranteed RESET/RESET to V
DD
= 1.0V
Accuracy of ±125mV for 5V systems and ±75mV
for 3V systems over temperature
45 μA typical operating current
Temperature range:
- Industrial (I): -40
°
C to +85
°
C
DESCRIPTION
The Microchip Technology Inc. MCP809/810 is a volt-
age supervisory device designed to keep a microcon-
troller in reset until the system voltage has reached the
proper level and stabilized. It also operates as protec-
tion from brown-out conditions when the supply voltage
drops below a safe operating level. Both devices are
available with a choice of seven different trip voltages
and both have push-pull outputs. The MCP809 has a
low active RESET pin and the MCP810 has a high
active RESET pin. The MCP809/810 will assert the
RESET/RESET signal whenever the voltage on the
V
DD
pin is below the trip-point voltage.
PACKAGES
BLOCK DIAGRAM
V
DD
V
SS
SOT-23-3
RST
V
DD
V
SS
RST
M
M
Bandgap
Reference
Delay
Circuit
Output
Driver
RESET
V
DD
+
-
Comparator
RESET
Microcontroller Supervisory Circuit with Push-Pull Output
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相關代理商/技術參數 |
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| MCP809M3-2.63 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:3-Pin Microprocessor Reset Circuits |
| MCP809M3-2.63/NOPB | 功能描述:IC MPU RESET CIRC 2.63V SOT23-3 RoHS:是 類別:集成電路 (IC) >> PMIC - 監控器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 類型:簡單復位/加電復位 監視電壓數目:1 輸出:推挽式，圖騰柱 復位:低有效 復位超時:最小 145 ms 電壓 - 閥值:2.64V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-WQFN 裸露焊盤 供應商設備封裝:16-TQFN-EP（4x4） 包裝:帶卷 (TR) |
| MCP809M3-2.93 | 功能描述:監控電路 RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MCP809M3-2.93/NOPB | 功能描述:監控電路 RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MCP809M3-3.08 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:3-Pin Microprocessor Reset Circuits |
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