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| 型号： | CAT1163LI-42-G |
| 厂商： | ON Semiconductor |
| 文件页数： | 5/12页 |
| 文件大小： | 0K |
| 描述： | IC SUPERVSR CPU 16K EEPROM 8PDIP |
| 标准包装： | 50 |
| 类型： | 简单复位/加电复位 |
| 监视电压数目： | 1 |
| 输出： | 开路漏极或开路集电极 |
| 复位： | 高有效/低有效 |
| 复位超时： | 最小为 130 ms |
| 电压 - 阀值： | 4.25V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 8-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 8-PDIP |
| 包装： | 管件 |
CAT1163
PIN DESCRIPTION
WDI : WATCHDOG INPUT
If there is no transition on the WDI for more than
1.6 seconds, the watchdog timer times out.
WP : WRITE PROTECT
If the pin is tied to V CC the entire memory array becomes
Write Protected (READ only). When the pin is tied to GND
or left floating normal read/write operations are allowed to
the device.
RESET/RESET : RESET I/O
These are open drain pins and can be used as reset trigger
will initiate and maintain a reset condition. The RESET pin
must b e connected through a pulldown resistor, and the
RESET pin must be connected through a pull ? up resistor.
SDA : SERIAL DATA ADDRESS
The bidirectional serial data/address pin is used to transfer
all data into and out of the device. The SDA pin is an open
drain output and can be wire ? ORed with other open drain or
open collector outputs.
SCL : Serial Clock
Serial clock input.
inputs. By forcing a reset condition on the pins the device
DEVICE OPERATION
Reset Controller Description
The CAT1163 precision RESET controller ensures
correct system operation during brownout and power
up/down conditions. It is configured with open drain
RESET outputs. During power ? up, the RESET outputs
remain active until V CC reaches the V TH threshold and will
continue driving the outputs for approximately 200 ms
(t PURST ) after reaching V TH . After the t PURST timeout
interval, the device will cease to drive the reset outputs. At
this point the reset outputs will be pulled up or down by their
respective pull up/down resistors. During power ? down, the
RESET outputs will be active when V CC falls below V TH .
The RESET outputs will be valid so long as V CC is > 1.0 V
(V RVALID ).
The RESET pins are I/Os; therefore, the CAT1163 can act
as a signal conditioning circuit for an externally applied
manual reset. The inputs are edge triggered; that is, the
t
GLITCH
V TH
V RVALID
RESET input in the CAT1163 will initiate a reset timeout
after detecting a low to high transition and the RESET input
in the CAT1163 will initiate a reset timeout after detecting
a high to low transition.
Watchdog Timer
The Watchdog Timer provides an independent protection
for microcontrollers. During a system failure, the CAT1163
will respond with a reset signal after a time ? out interval of
1.6 seconds for a lack of activity. The CAT1163 is designed
with the Watchdog Timer feature on the WDI input. If the
microcontroller does not toggle the WDI input pin within 1.6
seconds, the Watchdog Timer times out. This will generate
a reset condition on reset outputs. The Watchdog Timer is
cleared by any transition on WDI.
As long as the reset signal is asserted, the Watchdog Timer
will not count and will stay cleared.
V CC
t PURST
t RPD
t PURST
RESET
t RPD
RESET
Figure 1. RESET Output Timing
http://onsemi.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CAT1163LI45 | 功能描述:监控电路 16K I2C Memory w/WDT 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 |
| CAT1163LI-45-G | 功能描述:监控电路 CPU w/16K 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 |
| CAT1163P-28 | 功能描述:监控电路 16K I2C Memory w/WDT 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 |
| CAT1163P-42 | 功能描述:监控电路 16K I2C Memory w/WDT 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 |
| CAT1163PI-25 | 功能描述:监控电路 16K I2C Memory w/WDT 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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