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DS1831AS Datasheet(PDF) 13 Page - Maxim Integrated Products

Part # DS1831AS
Description  Multisupply Micromonitor
PDF  14 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

DS1831AS Datasheet(HTML) 13 Page - Maxim Integrated Products

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DS1831/A/B
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CAPACITANCE
(tA = +25
°C)
PARAMETER
SYMBOL
MAX
UNITS
NOTES
Input Capacitance
CIN
5pF
Input Capacitance
COUT
7pF
AC ELECTRICAL CHARACTERISTICS
(-40
°C to 85°C; IN3.3V, IN5V = 1.0V to 5.5V)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
RESET Active Time (TD=Low)
tRST
10
16
20
ms
5
RESET Active Time (TD=Float)
tRST
100
160
200
ms
5
RESET Active Time (TD=High)
tRST
1000
1600
2000
ms
5
VCC Detect to RST
tRPU
See RESET Active Time
ms
5
VCC Detect to RST
tRPD
210
ms
6
VIN Detect to NMI
tIPD
210
ms
6
NMI Active Time
tNMI
20
ms
PBRST
= VIL
tPB
20
ms
PBRST
Stable Low to Reset
Active
tPDLY
50
ms
Watchdog Timeout (TD(WD)=Low)
tTD
10
16
20
ms
Watchdog Timeout (TDWD=Float)
tTD
100
160
200
ms
Watchdog Timeout (TDWD=High)
tTD
1000
1600
2000
ms
ST Pulse Width
tST
10
ns
Vin Slew Rate (V INTP(MAX) to V
INTP(MIN))
tF
300
ms
Vin Slew Rate (V INTP(MAX) to V
INTP(MIN))
tR
0ns
NOTES:
1) All voltages are referenced to ground.
2) All Pushbutton inputs are internally pulled to the associated Supply IN input or the greatest Supply IN
input for the MPBRST with an internal Impedance of 100k
W.
3) Measured with outputs open and IN3.3V or IN5V
£ 5.5V
4) Measured with outputs open and IN3.3V or IN5V
£ 3.6V.
5) Measured using tR = 5µs
6) Noise immunity - pulses <2µs at a trip level will not cause a RST or NMI .



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