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參數(shù)資料
| 型號： | MAX817 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Dual 4-Input Positive-NAND Gates 20-LCCC -55 to 125 |
| 中文描述： | +5V微處理器監(jiān)控電路 |
| 文件頁數(shù)： | 4/16頁 |
| 文件大?。?/td> | 114K |
| 代理商： | MAX817 |
M
+5V Mic roproc essor S upervisory Circ uits
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +4.75V to +5.5V for MAX81_L, V
CC
= +4.5V to +5.5V for MAX81_M, V
BATT
= 2.8V, T
A
= T
MIN
to T
MAX
, unless otherwise
noted. Typical values are at T
A
= +25°C.)
Power-down
V
CC
= 5V
I
OUT
= -1μA, V
CC
= 0V, V
BATT
= 2.8V
I
OUT
= -100μA, V
CC
= 0V
Enable mode
Disable mode
CONDITIONS
μs
15
RESET
to
CE
OUT Delay
3.5
V
IL
CE
OUT Input Threshold
V
0.8
V
IH
V
2.7
V
OH
CE
OUT Output
V
CC
- 1V
40
150
CE
IN to
CE
OUT Resistance
(Note 6)
μA
±0.005
±1
CE
IN Leakage Current
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
Note 2:
Either V
CC
or V
BATT
can go to 0V if the other is greater than 2.0V.
Note 3:
“-” = battery-charging current, “+” = battery-discharging current.
Note 4:
WDI is internally serviced within the watchdog timeout period if WDI is left unconnected.
Note 5:
WDI input is designed to be driven by a three-stated output device. To float WDI, the “high-impedance mode” of the output
device must have a maximum leakage current of 10μA and a maximum output capacitance of 200pF. The output device
must also be able to source and sink at least 200μA when active.
Note 6:
The chip-enable resistance is tested with V
CC
= +4.75V for the MAX818L and V
CC
= +4.5V for the MAX818M.
V
CE
IN
= V
CE
OUT
= V
CC
/2.
Note 7:
The chip-enable propagation delay is measured from the 50% point at
CE
IN to the 50% point at
CE
OUT.
Disable mode,
CE
OUT = 0V
mA
0.1
0.75
2.0
CE
OUT Short-Circuit Current
(Reset Active)
50
source impedance driver, C
LOAD
= 50pF
ns
3
8
CE
IN to
CE
OUT Propagation
Delay (Note 7)
CHIP-ENABLE GATING (MAX818 only)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX817L | Dual 4-Input Positive-NAND Gates 14-CDIP -55 to 125 |
| MAX817M | Dual 4-Input Positive-NAND Gates 14-CFP -55 to 125 |
| MAX817MESA | Dual 4-Input Positive-NAND Gates 14-CDIP |
| MAX818L | Dual 4-Input Positive-NAND Gates 14-CFP |
| MAX818LCPA | +5V Microprocessor Supervisory Circuits |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX817_CPA | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:+5V Microprocessor Supervisory Circuits |
| MAX817_CSA | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:+5V Microprocessor Supervisory Circuits |
| MAX817_CUA | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:+5V Microprocessor Supervisory Circuits |
| MAX817_EPA | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:+5V Microprocessor Supervisory Circuits |
| MAX817_ESA | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:+5V Microprocessor Supervisory Circuits |
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