SI8605 Datasheet, PDF (6/40 Pages) Silicon Laboratories – BIDIRECTIONAL IC ISOLATORS WITH UNIDIRECTIONAL DIGITAL CHANNELS

Si860x
Table 3. Si8600/02/05/06 Electrical Characteristics for Bidirectional I²C Channels¹ (Continued)
3.0 V < VDD < 5.5 V. TA = –40 to +125 °C. Typical specs at 25 °C unless otherwise noted.
Parameter
Symbol
Test Condition
Timing Specifications (Measured at 1.40 V Unless Otherwise Specified)
Maximum I²C Bus Frequency
Fmax
Propagation Delay
5 V Operation
Side A to Side B Rising⁴
Side A to Side B Falling⁴
Side B to Side A Rising
Side B to Side A Falling
3.3 V Operation
Side A to Side B Rising⁴
Side A to Side B Falling⁴
Side B to Side A Rising
Side B to Side A Falling
Tphab
Tplab
Tphba
Tplba
Tphab
Tplab
Tphba
Tplba
No bus capacitance,
R1 = 1400,
R2 = 499,
See Figure 2
R1 = 806
R2 = 499
Pulse Width Distortion
5V
Side A Low to Side B Low⁴
Side B Low to Side A Low
3.3 V
Side A Low to Side B Low⁴
Side B Low to Side A Low
PWDAB
PWDBA
PWDAB
PWDBA
No bus capacitance,
R1 = 1400,
R2 = 499,
See Figure 2
R1 = 806,
R2 = 499
Min Typ Max Unit
—
—
1.7 MHz
—
38
45
ns
—
15
26
ns
—
33
46
ns
—
11
22
ns
—
44
55
ns
—
17
29
ns
—
30
40
ns
—
14
27
ns
—
22
32
ns
—
21
32
ns
—
27
35
ns
—
15
25
ns
Notes:
1. All voltages are relative to respective ground.
2.
3.
VI_{2ICL }<V0(.4S1id0eVA, _)V=IHI2>C0V.5_O4_L0(SVi.de _{A) – I2CVT (Side A). To ensure no latch-up on a given bus, I2CV (Side A) is the}
minimum difference between the output logic low level of the driving device and the input logic threshold.
4. Side A measured at 0.6 V.
6
Rev. 1.4