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参数资料
| 型号： | CAT825ZTDI-GT3 |
| 厂商： | ON Semiconductor |
| 文件页数： | 5/12页 |
| 文件大小： | 0K |
| 描述： | IC SUPERVISOR MPU 2.32V TSOT23-5 |
| 标准包装： | 3,000 |
| 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/低有效 |
| 复位超时： | 最小为 140 ms |
| 电压 - 阀值： | 2.32V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-5 细型，TSOT-23-5 |
| 供应商设备封装： | TSOT-23-5 |
| 包装： | 带卷 (TR) |
| 其它名称： | 825ZTDI-GT3 |
CAT823, CAT824, CAT825
FUNCTIONAL DESCRIPTION
Processor RESET
The CAT823 ? 825 detect supply voltage (V CC ) conditions
that are below the specified voltage trip value (V RST ) and
provide a reset output to maintain correct system operation.
On power ? up, RESET (and RESET if available) are kept
active for a minimum delay t RP of 140 ms after the supply
voltage (V CC ) rises above V RST to allow the power supply
and processor to stabilize. When V CC drops below the
voltage trip value (V RST ), the reset output signals RESET
(and RESET) are pulled active. RESET (and RESET if
available) is specifically designed to provide the reset input
signals for processors. This provides reliable and consistent
operation as power is turned on, off or during brownout
conditions by maintaining the processor operation in known
conditions.
MR
Manual RESET
The CAT823 and CAT825 each have a Manual Reset
(MR) input to allow for alternative control of the reset
outputs. The MR input is designed for direct connection to
a pushbutton (see Figure 4). The MR input is internally
pulled up by 52 k W resistor and must be pulled low to cause
the reset outputs to go active. Internally, this input is
debounced and timed such that RESET (and RESET)
signals of at least 140 ms minimum will be generated. The
min 140 ms t RP delay commences as the Manual Reset input
is released from the low level. (see Figure 5)
RESET
Supply
Voltage
V CC
CAT825
GND
RESET
Figure 4. Pushbutton RESET
MR
t PDLY
t PB
V IH
V IL
t RP
RESET
V OH
RESET
V OL
Figure 5. Timing Diagram – Pushbutton RESET
http://onsemi.com
5
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CAT853CTBI-GT3 | 功能描述:监控电路 Open Collect/DrainLo 320mW 1.2V-5.5V 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 |
| CAT853JTBI-T3 | 制造商:ON Semiconductor 功能描述:SUP OPEN DRAIN ACT LOW - Tape and Reel 制造商:ON Semiconductor 功能描述:REEL / SUP OPEN DRAIN ACT LOW |
| CAT853LTBI-T3 | 制造商:ON Semiconductor 功能描述:SUP OPEN DRAIN ACT LOW - Tape and Reel 制造商:ON Semiconductor 功能描述:REEL / SUP OPEN DRAIN ACT LOW |
| CAT853MTBI-GT3 | 功能描述:监控电路 Open drain Act low 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 |
| CAT853MTBI-T3 | 制造商:ON Semiconductor 功能描述:SUP OPEN DRAIN ACT LOW - Tape and Reel 制造商:ON Semiconductor 功能描述:REEL / SUP OPEN DRAIN ACT LOW 制造商:ON Semiconductor 功能描述:Voltage Supervisor,Open Drain,Active Low 制造商:ON Semiconductor 功能描述:MCU Power Supply Supervisors(4.38V) |
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