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参数资料
| 型号： | MAX814KCSA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 10/16页 |
| 文件大小： | 0K |
| 描述： | IC SUPERVISOR MPU LP 8SOIC |
| 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，推挽式 |
| 复位： | 高有效/低有效 |
| 复位超时： | 最小为 140 ms |
| 电压 - 阀值： | 4.8V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 带卷 (TR) |
±1% Accuracy, Low-Power, +3V and +5V
μP Supervisory Circuits
Reset Threshold
The MAX814/MAX815 have fixed, factory-set reset
thresholds, signified by the first suffix letter in the part
number (see Figure 7 for more information on reset
ranges). The MAX816 has an adjustable reset threshold.
MAX814/MAX815 K-suffix parts have a minimum reset
threshold set to 4.75V, worst case. They are intended
for 5.0V systems with a ±4% or better power-supply tol-
erance design that must meet worst-case system para-
meters over time, temperature, line, and load variations.
Typically, the reset threshold (V RT ) is greater than or
equal to the minimum IC operating voltage (V ICMIN ).
The “K” series 1%-tolerance reset threshold allows a
larger range of power-supply tolerance. System ICs
that have a tight operating supply range, like the
386/486 μPs, need a RESET initiated at a minimum
threshold of 4.75V, worst case.
L-suffix parts have a minimum reset threshold set to
4.65V, worst case. They are intended for 5.0V systems
with a ±5% power-supply tolerance. Typically, the reset
threshold is less than or equal to the minimum power-
supply voltage, allowing system operation over the
complete power-supply range. A reset is initiated at
4.75V maximum. The 1% “L” version maximizes the
System IC Guard-Band Range.
N-suffix parts have a minimum reset threshold set to
4.50V, worst case. They are intended for 5.0V systems
with a ±10% IC system. Typically, the reset threshold
4.5
4.75
5.0
5.25
5.5V
4.5
4.75
5.0
5.25
5.5V
POWER-SUPPLY RANGE
(5.05V ±2%)
IC OPERATING RANGE
RESET LIMITS “K”
POWER-SUPPLY RANGE
(5V ±5%)
IC OPERATING RANGE
RESET LIMITS “L”
(4.8V ±1%)
4.85
(4.7V ±1%)
4.65
V RT > V IC(MIN)
DESIGNED TO MEET WORST-
CASE DESIGN PARAMETERS.
Figure 7a. K Suffix Design Range
V RT < V PS(MIN)
DESIGNED TO ALLOW OPERATION
OVER THE FULL POWER-SUPPLY RANGE.
Figure 7b. L Suffix Design Range
4.5
4.75
5.0
5.25
5.5V
3.0
3.3
3.6V
POWER-SUPPLY RANGE
(5V ±5%)
IC OPERATING RANGE
POWER-SUPPLY RANGE
(3.33V ±0.26%)
IC OPERATING RANGE
RESET LIMITS “N”
(4.55V ±1%)
4.60
RESET LIMITS “T”
(3.03V ±1%)
3.06
V RT > V IC(MIN)
DESIGNED TO MEET WORST-
CASE DESIGN PARAMETERS.
Figure 7c. N Suffix Design Range
V RT > V IC(MIN)
DESIGNED TO MEET WORST-
CASE DESIGN PARAMETERS.
Figure 7d. T Suffix Design Range
10
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相关代理商/技术参数 |
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| MAX814KEPA | 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 |
| MAX814KEPA+ | 功能描述:监控电路 3V & 5V 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 |
| MAX814KESA | 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 |
| MAX814KESA+ | 功能描述:监控电路 3V & 5V 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 |
| MAX814KESA+T | 功能描述:监控电路 3V & 5V 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 |
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