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参数资料
| 型号： | MAX6304CSA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/12页 |
| 文件大小： | 0K |
| 描述： | IC SUPERVISOR MPU 8-SOIC |
| 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： | 高有效 |
| 复位超时： | 最小为 2.8 ms |
| 电压 - 阀值： | 可调节/可选择 |
| 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) |
+5V, Low-Power μP Supervisory Circuits
with Adjustable Reset/Watchdog
Pin Description
PIN
1
2
3
4
5
6
NAME
RESET IN
GND
SRT
SWT
WDS
WDI
FUNCTION
Reset Input. High-impedance input to the reset comparator. Connect this pin to the center point of an
external resistor voltage-divider network to set the reset threshold voltage. The reset threshold voltage is
calculated as follows: V RST = 1.22 x (R1 + R2)/R2 (see the Typical Operating Circuit ).
Ground
Set Reset-Timeout Input. Connect a capacitor between this input and ground to select the reset timeout
period (t RP ). Determine the period as follows: t RP = 2.67 x C SRT , with C SRT in pF and t RP in μs (see the
Typical Operating Circuit ).
Set Watchdog-Timeout Input. Connect a capacitor between this input and ground to select the basic
watchdog timeout period (t WD ). Determine the period as follows: t WD = 2.67 x C SWT , with C SWT in pF and
t WD in μs. The watchdog function can be disabled by connecting this pin to ground.
Watchdog-Select Input. This input selects the watchdog mode. Connect to ground to select normal mode
and the basic watchdog timeout period. Connect to V CC to select extended mode, multiplying the basic
timeout period by a factor of 500. A change in the state of this pin resets the watchdog timer to zero.
Watchdog Input. A rising or falling transition must occur on this input within the selected watchdog timeout
period, or a reset pulse will occur. The capacitor value selected for SWT and the state of WDS determine
the watchdog timeout period. The watchdog timer clears and restarts when a transition occurs on WDI or
WDS. The watchdog timer is cleared when reset is asserted and restarted after reset deasserts. In the
extended watchdog mode (WDS = V CC ), the watchdog function can be disabled by driving WDI with a
three-stated driver or by leaving WDI unconnected.
RESET
(MAX6301/
MAX6303)
Open-Drain, Active-Low Reset
Output (MAX6301)
Push-Pull, Active-Low Reset
RESET changes from high to low whenever the monitored voltage (V IN )
drops below the selected reset threshold (V RST ). RESET remains low as
long as V IN is below V RST . Once V IN exceeds V RST , RESET remains low
for the reset timeout period and then goes high. The watchdog timer
triggers a reset pulse (t RP ) whenever the watchdog timeout period (t WD )
long as V IN is below V RST . Once V IN exceeds V RST , RESET remains high
triggers a reset pulse (t RP ) whenever the watchdog timeout period (t WD )
7
8
RESET
(MAX6302/
MAX6304
V CC
Output (MAX6303) is exceeded.
RESET changes from low to high whenever the monitored voltage (V IN )
Open-Drain, Active-High Reset drops below the selected reset threshold (V RST ). RESET remains high as
Output (MAX6302)
for the reset timeout period and then goes low. The watchdog timer
Push-Pull, Active-High Reset
Output (MAX6304)
is exceeded.
Supply Voltage. Bypass to ground with a 0.1μF capacitor placed as close as possible to the pin.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX6304CUA | 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 |
| MAX6304CUA+ | 功能描述:监控电路 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 |
| MAX6304CUA+T | 功能描述:监控电路 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 |
| MAX6304CUA-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 |
| MAX6304EPA | 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 |
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