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| 型号： | TC1232EOA |
| 厂商： | Microchip Technology |
| 文件页数： | 6/20页 |
| 文件大小： | 0K |
| 描述： | IC MPU MONITOR 4.5V 8-SOIC |
| 标准包装： | 100 |
| 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 250 ms |
| 电压 - 阀值： | 4.37V，4.62V |
| 工作温度： | -40°C ~ 85°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-SOICN |
| 包装： | 管件 |
| 产品目录页面： | 662 (CN2011-ZH PDF) |
TC1232
3.0
PIN DESCRIPTIONS
TABLE 3-1:
Pin No.
PIN FUNCTION TABLES
8-pin
PDIP,
SOIC
1
16-pin
SOIC
2
Symbol
PB RST
Pin
Type
I
Buffer/
Driver
Type
ST
Push-button Reset Input.
Function
Input for a Manual Reset Switch. This input debounces (ignores) pulses
less than 1 ms in duration and is ensured to recognize inputs of 20 ms or
greater.
L = Manual Reset Switch is Active, Force RST/RST pins Active
H = Manual Reset Switch is Inactive. State of RST/RST pins determined by
other system conditions.
2
4
TD
I
ST
Time Delay Input.
The voltage level on this input determines the watchdog timer time-out
period.
TD = 0V → t TD = 150 ms
TD = Open → t TD = 600 ms
TD = V CC → t TD = 1.2 sec
3
6
TOL
I
ST
Tolerance Input.
TOL = GND, Max Voltage Trip Point (V CCTP ) = 4.75V (5% tolerance)
TOL = V CC , Max Voltage Trip Point (V CCTP ) = 4.5V (10% tolerance)
4
5
8
9
GND
RST
—
O
P
Push
The ground reference for the device.
Reset Output (Active-High)
Pull
Goes active (High) if one of these conditions occurs:
1. If V CC fall s below the selected reset voltage threshold.
2. If PB RST pin is forced low.
3. If ST pin is not strobed within the minimum selected time-out period.
(see TD pin)
4. During power-up
6
11
RST
O
Open
Reset Output (Active-Low)
Drain
Goes active (Low) if one of these conditions occurs:
1. If V CC fall s below the selected reset voltage threshold.
2. If PB RST pin is forced low.
3. If ST pin is not strobed within the minimum selected time-out period.
(see TD pin)
4. During power-up
7
13
ST
I
ST
Strobe Input
Input for Watchdog Timer. WDT period determined by state of TD pin
Falling Edge → Resets Watchdog Timer counter (no time-out)
8
—
15
1,3,5,
V CC
NC
—
—
P
—
The positive supply (+5V) for the device.
No internal connection.
7,10,1
2,16
DS21370C-page 6
Preliminary
? 2005 Microchip Technology Inc.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TC1232EOA | 制造商:Microchip Technology Inc 功能描述:MICROPROCESSOR MONITOR SMD 1232 |
| TC1232EOA713 | 功能描述:监控电路 Microprocessor Montr 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 |
| TC1232EOE | 功能描述:监控电路 Microprocessor Montr 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 |
| TC1232EOE713 | 功能描述:监控电路 Microprocessor Montr 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 |
| TC1232EPA | 功能描述:监控电路 Microprocessor Montr 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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