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参数资料
| 型号： | MAX6804US32D3+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/8页 |
| 文件大小： | 0K |
| 描述： | IC RESET MPU LOW PWR SOT143-4 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 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： | 3.2V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-253-4，TO-253AA |
| 供应商设备封装： | SOT-143-4 |
| 包装： | 带卷 (TR) |
4-Pin, Low-Power
μP Reset Circuits with Manual Reset
μPs and circuitry do not operate when V CC drops below
1V. For the MAX6804 application where RESET must be
valid down to 0, adding a pulldown resistor between
RESET and GND removes stray leakage currents, hold-
ing RESET low (Figure 2a). The pulldown resistor value
is not critical; 100k ? is large enough not to load RESET ,
and small enough to pull it low. For the MAX6803, where
RESET must be valid to V CC = 0, a 100k ? pullup resistor
between RESET and V CC will hold RESET high when
V CC falls below 0.7V (Figure 2b).
V CC
Since the MAX6805 has an open-drain, active-low out-
put, it typically uses a pullup resistor. With this device,
RESET will most likely not maintain an active condition,
but will drift to a non-active level due to the pullup
resistor and the reduced sinking capability of the open-
drain device. Therefore, this device is not recommend-
ed for applications where the RESET pin is required to
be valid down to V CC = 0.
Pin Configuration
TOP VIEW
MAX6804
(a)
MR
GND
RESET
100k ?
GND
1
MAX6803
MAX6804
4
V CC
MAX6805
V CC
RESET (RESET)
2
3
MR
(b)
MR
MAX6803
RESET
GND
100k ? *
( ) ARE FOR MAX6803
SOT143
*ASSUMES HIGH-Z RESET INPUT TO THE μ P
Figure 2. Ensuring Reset Valid down to V CC = 0
V CC
Typical Operating Circuit
V CC
MAX6804
V CC
μ P
MR
GND
RESET
RESET
GND
PUSHBUTTON
SWITCH
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX6804US33D1 | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| MAX6804US33D1+ | 制造商:Maxim Integrated Products 功能描述:PROCESSOR SUPERVISOR 3.3V 5UA 4PIN SOT-143 - Rail/Tube |
| MAX6804US33D1+T | 功能描述:监控电路 Single uPower 4-Pin Reset Circuit 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 |
| MAX6804US33D1-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 |
| MAX6804US33D2 | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
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