User's Manual

ATM100
Version 1.0 page 9 of 14
5. I2C Slave Communication Interface Timing
I2C Slave Interface Timing (Fast-Mode)
Parameter MIN MAX UNIT
V
IL
Low level input voltage -0.3 0.8 V
V
IH
High level input voltage 2.0 3.6 V
V
OH
Low level output voltage
At 1mA sink current
0 0.4 V
t
of
Output fall time from V
IHmin
to V
ILmax
with a bus capacitance from 10pF to 400pF
0 250 ns
t
SP
Pulse width of spike which must be suppressed
by the input filter
0 50 ns
f
SCL
S_SCL clock frequency 0 400 KHz
t
LOW
Low period of the S_SCL clock 1.3 ns
T
HIGH
High period of the S-SCL clock 0.6 ns
t
HD
;DA
T
Data hold time 100 ns
T
SU
;DA
T
Data set-up time 100 ns