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| 型号： | MAX6827SUT+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 8/12页 |
| 文件大小： | 0K |
| 描述： | IC MPU SUPERVISOR SOT23-6 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 多压监控器 |
| 监视电压数目： | 2 |
| 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： | 2.93V，可调 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-6 |
| 供应商设备封装： | SOT-6 |
| 包装： | 带卷 (TR) |
Dual Ultra-Low-Voltage SOT23 μP Supervisors
with Manual Reset and Watchdog Timer
V CC
MAX6829/MAX6830/MAX6831
0.63V
1.26V
RESET TIMEOUT
DELAY GENERATOR
RESET
OR
RESET
V CC2
MR
V CC
WDI
Figure 2. Functional Diagram of V CC2
WATCHDOG
TRANSITION
DETECTOR
WATCHDOG
TIMER
Detailed Description
RESET /RESET Output
A microprocessor’s (μP’s) reset input starts the μP in a
known state. The MAX6826–MAX6831 μP supervisory
circuits assert a reset to prevent code-execution errors
during power-up, power-down, and brownout condi-
asserts a reset. Reset remains asserted while MR is
low, and for the timeout period (140ms min) after it
returns high. MR has an internal 50k ? pullup resistor,
so it can be left open if not used. This input can be dri-
ven with CMOS logic levels or with open-drain/collector
tions. Whenever a monitored voltage falls below the
reset threshold, the reset output asserts low for RESET
V CC
1V
V TH
V TH
1V
and high for RESET. Once all monitored voltages
exceed their reset thresholds, an internal timer keeps
the reset output asserted for the specified reset timeout
RESET
t RP
t RD
period (t RP ); after this interval, reset output returns to its
original state (Figure 3).
Manual Reset Input
Many μP-based products require manual-reset capabil-
RESET
GND
t RP
t RD
ity, allowing the operator, a test technician, or external
logic circuitry to initiate a reset. A logic low on MR
Figure 3. Reset Timing Diagram
8
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相关代理商/技术参数 |
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|---|---|
| MAX6827TUT | 制造商:Maxim Integrated Products 功能描述:DUAL ULTRA_LOW_VOLTAGE SOT23 MICROP - Rail/Tube |
| MAX6827TUT+ | 制造商:Maxim Integrated Products 功能描述:PROCESSOR SUPERVISOR 3.08V/ADJV 10UA 6PIN SOT-23 - Cut Tape Product |
| MAX6827TUT+T | 功能描述:监控电路 Dual uPower Supervisor RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX6827TUT-T | 功能描述:监控电路 RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX6827VUT | 制造商:Maxim Integrated Products 功能描述:DUAL ULTRA_LOW_VOLTAGE SOT23 MICROP - Cut Tape Product |
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