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參數資料
| 型號： | CAT706TZI-G |
| 廠商： | ON SEMICONDUCTOR |
| 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, HALOGEN FREE AND ROHS COMPLIANT, MO-187, MSOP-8 |
| 文件頁數： | 12/12頁 |
| 文件大小： | 133K |
| 代理商： | CAT706TZI-G |
CAT705, CAT706, CAT813
http://onsemi.com
9
APPLICATION NOTES
mP’s with Bidirectional Reset Pins
The RESET output can be pulled low by processors like
the 68HC11 allowing for a system reset issued by the
processor. The maximum pullup current that can be sourced
by the CAT705 & CAT706 1.5 mA (and by the CAT706
T/R/S is 800
mA) allowing the processor to pull the output
low even when the CAT70x is pulling it high.
Power Transients
Generally short duration negativegoing transients of less
than 2
ms on the power supply at VRST minimum will not
cause a reset condition. However the lower the voltage of the
transient the shorter the required time to cause a reset output.
These issues can usually be remedied by the proper location
of bypass capacitance on the circuit board.
Output Valid Conditions
The RESET output uses a pushpull output which can
maintain a valid output down to a VCC of 1.0 volts. To sink
current below 0.8 V a resistor can be connected from
RESET to Ground (see Figure 11.) This arrangement will
maintain a valid value on the RESET output during both
power up and down but will draw current when the RESET
output is in the high state. A resistor value of about 100 k
W
should be adequate in most situations to maintain a low
condition valid output down to VCC equal to 1.0 V.
mC
WDI
GND
PFI
CAT705
CAT706
CAT813
100 kW
Figure 11. RESET Valid for VCC < 1.0 V
RESET/RESET
PFO
WDO
VCC
MR
mC
I/O LINE
INTERRUPT
NMI
VCC
Push Switch
5 V
WDI
GND
PFI
CAT705
CAT706
CAT813
UNREGULATED DC
Figure 12. Typical Operating Circuit
VCC
MR
PFO
WDO
RESET/RESET
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相關代理商/技術參數 |
參數描述 |
|---|---|
| CAT706TZI-GT3 | 功能描述:監控電路 4.4V Pull Low RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 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 |
| CAT706VGI | 制造商:Rochester Electronics LLC 功能描述: 制造商:Catalyst Semiconductor 功能描述: |
| CAT706VI-G | 制造商:CATALYST 制造商全稱:Catalyst Semiconductor 功能描述:レP Supervisory Circuits |
| CAT706VI-GT3 | 功能描述:監控電路 MPU SUPR CIRCUIT RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 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 |
| CAT706ZGI | 制造商:Catalyst Semiconductor 功能描述: |
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