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參數(shù)資料
| 型號： | CAT813ZI-GT3 |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO8 |
| 封裝： | 3 X 3 MM, ROHS COMPLIANT, MO-187, MSOP-8 |
| 文件頁數(shù)： | 12/14頁 |
| 文件大?。?/td> | 374K |
| 代理商： | CAT813ZI-GT3 |
CAT705, CAT706, CAT813
Catalyst Semiconductor, Inc.
7
Doc. No. MD-3030, Rev. A
Characteristics subject to change without notice
FUNCTIONAL DESCRIPTION
PROCESSOR RESET
The CAT705, CAT706 & CAT813 detect supply
voltage (VCC) conditions that are below the specified
voltage trip value (VRST) and provide a reset output to
maintain correct system operation. On power-up,
RESET
(or RESET for the CAT813) are kept active for
a minimum delay tRP of 140ms after the supply voltage
(VCC) rises above VRST to allow the power supply and
processor to stabilize. When VCC drops below the
voltage trip value (VRST), the reset output signals
RESET
(or RESET) are pulled active. RESET
(or
RESET) 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.
MANUAL RESET
The CAT705, CAT706 & CAT813 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 1). The MR
input is internally pulled up by 52k resistor and must
be pulled low to cause the reset outputs to go active.
Internally, this input is debounced and timed such that
RESET
(or RESET) signals of at least 140ms
minimum will be generated. The min 140ms tRP delay
commences as the Manual Reset input is released
from the low level. (see Figure 2)
WDO
PFO
VCC
WDI
GND
PFI
MR
RESET/RESET
CAT705
CAT706
CAT813
Figure 1. Pushbutton RESET
Figure 2. Timing Diagram – Pushbutton RESET
VIL
VIH
VOH
tRP
tPDLY
tPB
VOL
RESET
MR
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| CAT823 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:System Supervisory Voltage Reset with Watchdog and Manual Reset |
| CAT823_08 | 制造商:CATALYST 制造商全稱:Catalyst Semiconductor 功能描述:System Supervisory Voltage Reset with Watchdog and Manual Reset |
| CAT823LSDI-G | 制造商:CATALYST 制造商全稱:Catalyst Semiconductor 功能描述:System Supervisory Voltage Reset with Watchdog and Manual Reset |
| CAT823LSDI-GT3 | 功能描述:監(jiān)控電路 Push-Pull Low 247mW 1.2V to 5.5V RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| CAT823LTDI-G | 制造商:CATALYST 制造商全稱:Catalyst Semiconductor 功能描述:System Supervisory Voltage Reset with Watchdog and Manual Reset |
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