SLLSEB6 – JULY 2012
SWITCHING CHARACTERISTICS
Over recommended operating conditions, unless otherwise noted
PARAMETER
3 V
≤
VCC1, VCC2
≤
3.6 V
t
f1
Output Signal Fall Time
(SDA1, SCL1)
Output Signal Fall Time
(SDA2, SCL2)
Low-to-High Propagation
Delay, Side 1 to Side 2
High-to-Low Propagation
Delay, Side 1 to Side 2
Pulse Width Distortion
|t
pHL1-2
– t
pLH1-2
|
Low-to-High Propagation
Delay, Side 2 to Side 1
High-to-Low Propagation
Delay, Side 2 to Side 1
Pulse Width Distortion
|t
pHL2-1
– t
pLH2-1
|
Round-trip propagation
delay on Side 1
See
R
1
= 953
Ω,
C
1
= 40 pF
R
2
= 95.3
Ω,
C
2
= 400 pF
See
R
1
= 1430
Ω,
C
1
= 40 pF
See
R
2
= 143
Ω,
C
2
= 400 pF
0.4 V to 0.3 x VCC1
See
R
1
= 953
Ω,
R
2
= 95.3
Ω,
C
1
, C
2
= 10 pF
See
R
1
= 953
Ω,
C
1
= 40 pF
See
R
2
= 95.3
Ω,
C
2
= 400 pF
0.7 x VCC1 to 0.3 x VCC1
0.9 x VCC1 to 900 mV
0.7 x VCC2 to 0.3 x VCC2
0.9 x VCC2 to 400 mV
0.55 V to 0.7 x VCC2
0.7 V to 0.4 V
8
16
14
35
17
29
23
50
33
90
55
0.4 x VCC2 to 0.7 x VCC1
0.4 x VCC2 to 0.9 V
47
67
20
100
29
48
47
100
65
181
123
68
109
49
165
ns
ns
ns
ns
ns
ns
ns
ns
ns
TEST CONDITIONS
MIN
TYP MAX
UNIT
t
f2
t
pLH1-2
t
PHL1-2
PWD
1-2
t
PLH2-1 (1)
t
PHL2-1 (1)
PWD
2-1 (1)
t
LOOP1 (1)
4.5V
≤
VCC1, VCC2
≤
5.5V
t
f1
Output Signal Fall Time
(SDA1, SCL1)
Output Signal Fall Time
(SDA2, SCL2)
Low-to-High Propagation
Delay, Side 1 to Side 2
High-to-Low Propagation
Delay, Side 1 to Side 2
Pulse Width Distortion
|t
pHL1-2
– t
pLH1-2
|
Low-to-High Propagation
Delay, Side 2 to Side 1
High-to-Low Propagation
Delay, Side 2 to Side 1
Pulse Width Distortion
|t
pHL2-1
– t
pLH2-1
|
Round-trip propagation
delay on Side 1
See
R
1
= 1430
Ω,
C1 = 40 pF
R
2
= 143
Ω,
C2 = 400 pF
0.4 V to 0.3 x VCC1
See
R
1
= 1430
Ω,
R
2
= 143
Ω,
C
1, 2
= 10 pF
0.7 x VCC1 to 0.3 x VCC1
0.9 x VCC1 to 900 mV
0.7 x VCC2 to 0.3 x VCC2
0.9 x VCC2 to 400 mV
0.55 V to 0.7 x VCC2
0.7 V to 0.4 V
6
13
10
28
11
21
18
41
31
70
38
0.4 x VCC2 to 0.7 x VCC1
0.4 x VCC2 to 0.9 V
55
47
8
110
20
39
35
76
62
139
80
80
85
21
180
ns
ns
ns
ns
ns
ns
ns
ns
ns
t
f2
t
pLH1-2
t
PHL1-2
PWD
1-2
t
PLH2-1 (1)
t
PHL2-1 (1)
PWD
2-1 (1)
t
LOOP1
(1)
(1)
This parameter does not apply to the ISO1541 SCL1 line as it is uni-directional.
TIMING CHARACTERISTICS
PARAMETER
t
SP
t
UVLO
Input Noise Filter
Time to recover from
Undervoltage Lock-out
See
2.7 V to 0.9 V
TEST CONDITIONS
MIN
5
30
TYP
12
50
110
MAX
UNIT
ns
µs
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