Instruction Manual

DS1780
26 of 28
DC ELECTRICAL CHARACTERISTICS:
All Digital Inputs (-40°C to +125°C, 2.8V ≤ V
DD
≤ 5.75V)
PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS NOTES
Logical 1
Input Current
I
IN
(1) V
IN
=V
DD
-1
-0.005
µA
Logical 0
Input Current
I
IN
(0) V
IN
=0V 0.005 1 µA
Input Capacitance C
IN
20 pF
AC ELECTRICAL CHARACTERISTICS:
2-Wire Interface (-40°C to +125°C, 2.8V ≤ V
DD
≤ 5.75V)
PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS NOTES
SCL Clock Period t
1
2.5 µs
Data In Setup
Time to SCL High
t
2
100 ns
Data Out Stable
after SCL Low
t
3
0ns
SDA Low Setup
Time to SCL Low
(START)
t
4
100 ns
SDA High Hold
Time after SCL
High (STOP)
t
5
100 ns