75v) – Rainbow Electronics DS1780 User Manual
Page 25
DS1780
25 of 28
DC ELECTRICAL CHARACTERISTICS:
Open-drain Digital Outputs:
RST
, CHS,
INT
(-40°C to +125°C, 2.8V
≤
V
DD
≤
5.75V)
PARAMETER
SYMBOL
CONDITION
MIN
TYP
MAX
UNITS
NOTES
I
OUT
=±5 mA at
V
DD
=5.75V
Logical 0
Output Voltage
V
OUT
(0)
I
OUT
=±3 mA at
V
DD
=3.45V
0.4
V
High Level
Output Current
I
OH
V
OUT
=V
DD
0.1
100
µA
Active Pulse Width
RST
and CHS
20
45
ms
DC ELECTRICAL CHARACTERISTICS:
Open-drain 2-Wire Bus Output: SDA
(-40°C to +125°C, 2.8V
≤
V
DD
≤
5.75V)
PARAMETER
SYMBOL
CONDITION
MIN
TYP
MAX
UNITS
NOTES
I
OUT
=±5 mA at
V
DD
=5.75V
Logical 0
Output Voltage
V
OUT
(0)
I
OUT
=±3 mA at
V
DD
=3.45V
0.4
V
High Level
Output Current
I
OH
V
OUT
=V
DD
0.1
100
µA
DC ELECTRICAL CHARACTERISTICS:
2-Wire Bus Digital Inputs: SDA, SCL
(-40°C to +125°C, 2.8V
≤
V
DD
≤
5.75V)
PARAMETER
SYMBOL
CONDITION
MIN
TYP
MAX
UNITS
NOTES
Logical 1
Input Voltage
V
IN
(1)
0.7V
DD
V
Logical 0
Input Voltage
V
IN
(0)
0.3V
DD
V
DC ELECTRICAL CHARACTERISTICS:
Digital Inputs: A0/NT
OUT
, A1, CHS, VID0-4, FAN1, FAN2
(-40°C to +125°C, 2.8V
≤
V
DD
≤
5.75V)
PARAMETER
SYMBOL
CONDITION
MIN
TYP
MAX
UNITS
NOTES
Logical 1
Input Voltage
V
IN
(1)
V
DD
=5.0V
2.4
V
Logical 0
Input Voltage
V
IN
(0)
V
DD
=5.0V
0.8
V
Logical 1
Input Voltage
V
IN
(1)
V
DD
=3.3V
2.0
V
Logical 0
Input Voltage
V
IN
(0)
V
DD
=3.3V
0.4
V