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參數(shù)資料
| 型號(hào)： | MAX705 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Low-Cost, uP Supervisory Circuits |
| 中文描述： | 低成本、微處理器監(jiān)控電路 |
| 文件頁(yè)數(shù)： | 8/12頁(yè) |
| 文件大?。?/td> | 99K |
| 代理商： | MAX705 |
M
Interfac ing to μPs with
Bidirec tional Reset Pins
μPs with bidirectional reset pins, such as the Motorola
68HC11 series, can contend with the MAX705-MAX708
RESET output. If, for example, the RESET output is driven
high and the μP wants to pull it low, indeterminate logic
levels may result. To correct this, connect a 4.7k
resistor between the RESET output and the μP reset I/O,
as in Figure 8. Buffer the RESET output to other system
components.
Low-Cost, μP S upervisory Circ uits
8
_______________________________________________________________________________________
MAX70_
RESET
R2
R1
+5V
V-
V
CC
PFI
GND
MR
PFO
TO
μ
P
100k
100k
2N3904
MR
PFO
+5V
0V
+5V
0V
V
TRIP
0V
V-
Figure 7. Monitoring a Negative Voltage
MAX70_
BUFFERED RESET TOOTHER SYSTEM COMPONENTS
4.7k
V
CC
GND
RESET
V
CC
GND
RESET
μ
P
Figure 8. Interfacing to μPs with Bidirectional Reset I/O
5
1.25
R1
1.25
VTRIP
R2
,VTRIP
0
=
<
MAX70_
RESET
R1
Figure 5. RESET Valid to Ground Circuit
MAX70_
RESET
130k
1%
PARAMETER
MIN
TYP
MAX
UNIT
+12V Reset
Threshold at +25°C
10.67 10.87 11.50
V
1M
1%
+5V
+12V
V
CC
PFI
GND
MR
PFO
TO
μ
P
Figure 6. Monitoring Both +5V and +12V
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX705_10 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Low-Cost, ??P Supervisory Circuits |
| MAX7057 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:300MHz to 450MHz Frequency-Programmable ASK/FSK Transmitter |
| MAX7057_11 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:300MHz to 450MHz Frequency-Programmable ASK/FSK Transmitter |
| MAX7057ASE | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:300MHz to 450MHz Frequency-Programmable ASK/FSK Transmitter |
| MAX7057ASE+ | 功能描述:射頻發(fā)射器 300-450MHz f-Prog ASK/FSK Transmitter RoHS:否 制造商:Micrel 類型:ASK Transmitter 封裝 / 箱體:SOT-23-6 工作頻率:300 MHz to 450 MHz 封裝:Reel |
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