Rainbow Electronics DS1920 User Manual
Page 20
DS1920
20 of 22
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
-0.5V to +7.0V
Operating Temperature
-55°C to +100°C
Storage Temperature
-55°C to +100°C
∗
This is a stress rating only and functional operation of the device at these or any other conditions
above those indicated in the operation sections of this specification is not implied. Exposure to
absolute maximum rating conditions for extended periods of time may affect reliability.
DC ELECTRICAL CONDITIONS
(-55°C to +100°C)
PARAMETER
SYMBOL
CONDITION
MIN
TYP
MAX
UNITS
NOTES
Pull up Voltage
V
PUP
I/O Functions
+½°C Accurate
Temperature
Conversions
2.8
4.3
5.0
6.0
6.0
V
V
1,2
Logic 1
V
IH
2.2
V
2
Logic 0
V
IL
-0.3
+0.8
V
2, 10
DC ELECTRICAL CHARACTERISTICS (-55°C to +100°C; V
PUP
=4.3V to 6.0V)
PARAMETER
SYMBOL
CONDITION
MIN
TYP
MAX
UNITS
NOTES
0
°
C to + 70
°
C
+½
°
C
11
Thermometer
Error
t
ERR
-55
°
C to +0
°
C
and + 70
°
C to
+100
°
C
SEE TYPICAL CURVE
11
Active Current
I
DD
1000
1500
µ
A
3,4
Input Load
Current
I
L
5
µ
A
Output Logic
Low @ 4 mA
V
OL
0.4
V
2
CAPACITANCE
(T
A
=25°C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
I/O (1- Wire)
C
IN/OUT
800
pF
9
AC ELECTRICAL CHARACTERISTICS; TEMPERATURE CONVERSION AND
COPY SCRATCHPAD
(-55°C to +100°C; V
PUP
=4.3V to 6.0V)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Temperature Conversion
t
CONV
0.2
0.5
seconds
Copy Scratchpad
t
COPY
10
ms
5