Datasheet

Section 20 Electrical Characteristics
Rev. 3.00 Sep. 14, 2006 Page 323 of 408
REJ09B0105-0300
Table 20.4 I
2
C Bus Interface Timing
V
CC
= 3.0 to 5.5 V, V
SS
= 0.0 V, T
a
= –20 to +75°C, unless otherwise indicated.
Values
Item Symbol
Applicable
Pins
Test
Condition
Min. Typ. Max.
Unit
Reference
Figure
SCL input cycle time t
SCL
12t
cyc
+ 600   ns
SCL input high pulse
width
t
SCLH
3t
cyc
+ 300   ns
SCL input low pulse
width
t
SCLL
5t
cyc
+ 300   ns
SCL and SDA input fall
time
t
Sf
  300 ns
SCL and SDA input
spike pulse removal
time
t
SP
  1t
cyc
ns
SDA input bus-free
time
t
BUF
5t
cyc
  ns
Start condition input
hold time
t
STAH
3t
cyc
  ns
Retransmission start
condition input setup
time
t
STAS
3t
cyc
  ns
Setup time for stop
condition input
t
STOS
3t
cyc
  ns
Data input setup time t
SDAS
1t
cyc
+ 20   ns
Data input hold time t
SDAH
0   ns
Capacitive load of
SCL and SDA
c
b
0  400 pF
V
CC
= 4.0
to 5.5 V
   250 ns SCL and SDA output
fall time
t
Sf
   300 ns
Figure
20.4