Datasheet

DS1844
7 of 14
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground -1.0V to +7.0V
Operating Temperature -40°C to +85°C
Storage Temperature -55°C to +125°C
Soldering Temperature 260°C for 10 seconds
* 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.
RECOMMENDED DC OPERATING CONDITIONS (-40°C to +85°C)
PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS NOTES
Supply Voltage V
CC
+2.7 +5.5 V 1
Resistor Inputs L,H,W GND
-0.5
V
CC
+0.5
V 1,12
DC ELECTRICAL CHARACTERISTICS (-40°C to +85°C; V
CC
=2.7V to 5.5V)
PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS NOTES
Supply Current Active I
CC
2.5 mA 19
Input Leakage I
LI
-1 +1 µA
Wiper Resistance R
W
250 500 Ohms
Wiper Current I
W
1 mA
Input Logic 1 V
IH
0.7V
CC
V
CC
+0.5 V 1,2
Input Logic 0 V
IL
GND-0.5
0.3V
CC
V 1,2
Input Logic levels A0, A1,
A2
Input Logic 1
Input Logic 0
0.7V
CC
GND-0.5
V
CC
+0.5
0.3V
CC
V 11
Input Current each I/O pin
0.4<V
I/O
<0.9V
DD
-10 +10 µA
Standby Current
3V
5V
I
stby
15
25
40
60
µA
4
V
OL1
3 mA sink current 0.0 0.4 V Low Level Output Voltage
(SDA)
V
OL2
6 mA sink current 0.0 0.6 V
I/O Capacitance C
I/O
10 pF
Pulse width of spikes which
must be suppressed by the
input filter
t
SP
Fast Mode 0 50 ns 22
D
OUT
Output @ 2.4V I
OH
-1.0 mA 23,24
D
OUT
Output @ 0.4V I
OL
4 mA 23,24