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| DS1780 Datasheet, PDF (25/28 Pages) Dallas Semiconductor – CPU Peripheral Monitor | |||
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DS1780
DC ELECTRICAL CHARACTERISTICS:
Open-drain Digital Outputs: RST , CHS, INT
PARAMETER
Logical 0
Output Voltage
High Level
Output Current
SYMBOL
VOUT(0)
IOH
CONDITION
IOUT=±5 mA at
VDD=5.75V
IOUT=±3 mA at
VDD=3.45V
VOUT=VDD
(-40°C to +125°C, 2.8V ⤠VDD ⤠5.75V)
MIN TYP MAX UNITS NOTES
0.4
V
0.1
100
µA
Active Pulse Width
RST and CHS 20 45
ms
DC ELECTRICAL CHARACTERISTICS:
Open-drain 2-Wire Bus Output: SDA
PARAMETER
Logical 0
Output Voltage
High Level
Output Current
SYMBOL
VOUT(0)
IOH
CONDITION
IOUT=±5 mA at
VDD=5.75V
IOUT=±3 mA at
VDD=3.45V
VOUT=VDD
(-40°C to +125°C, 2.8V ⤠VDD ⤠5.75V)
MIN TYP MAX UNITS NOTES
0.4
V
0.1
100
µA
DC ELECTRICAL CHARACTERISTICS:
2-Wire Bus Digital Inputs: SDA, SCL
PARAMETER
Logical 1
Input Voltage
Logical 0
Input Voltage
SYMBOL CONDITION
VIN(1)
VIN(0)
(-40°C to +125°C, 2.8V ⤠VDD ⤠5.75V)
MIN TYP MAX UNITS NOTES
0.7VDD
V
0.3VDD
V
DC ELECTRICAL CHARACTERISTICS:
Digital Inputs: A0/NTOUT, A1, CHS, VID0-4, FAN1, FAN2
(-40°C to +125°C, 2.8V ⤠VDD ⤠5.75V)
PARAMETER
Logical 1
Input Voltage
SYMBOL CONDITION MIN TYP
VIN(1)
VDD=5.0V
2.4
MAX
UNITS NOTES
V
Logical 0
Input Voltage
VIN(0)
VDD=5.0V
0.8
V
Logical 1
Input Voltage
VIN(1)
VDD=3.3V
2.0
V
Logical 0
Input Voltage
VIN(0)
VDD=3.3V
0.4
V
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