DS90C3202
Two-Wire Serial Communication Interface
Over recommended operating supply and temperature ranges unless otherwise specified.
Symbol | Parameter | Conditions | Min | Typ | Max | Units |
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fSC | S2CLK Clock Frequency |
|
|
| 400 | kHz |
SC:LOW | Clock Low Period | RP = 4.7KΩ, CL = 50pF | 1.5 |
|
| us |
SC:HIGH | Clock High Period | RP = 4.7KΩ, CL = 50pF | 0.6 |
|
| us |
SCD:TR | S2CLK and S2DAT Rise Time | RP = 4.7KΩ, CL = 50pF |
|
| 0.3 | us |
SCD:TF | S2CLK and S2DAT Fall Time | RP = 4.7KΩ, CL = 50pF |
|
| 0.3 | us |
SU:STA | Start Condition Setup Time | RP = 4.7KΩ, CL = 50pF | 0.6 |
|
| us |
HD:STA | Start Condition Hold Time | RP = 4.7KΩ, CL = 50pF | 0.6 |
|
| us |
HD:STO | Stop Condition Hold Time | RP = 4.7KΩ, CL = 50pF | 0.6 |
|
| us |
SC:SD | Clock Falling Edge to Data | RP = 4.7KΩ, CL = 50pF | 0 |
|
| us |
SD:SC | Data to Clock Rising Edge | RP = 4.7KΩ, CL = 50pF | 0.1 |
|
| us |
SCL:SD | S2CLK Low to S2DAT Data | RP = 4.7KΩ, CL = 50pF | 0.1 |
| 0.9 | us |
| Valid |
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|
BUF | Bus Free Time | RP = 4.7KΩ, CL = 50pF | 13 |
|
| us |
AC Timing Diagrams
20147122
FIGURE 1. Two-Wire Serial Communication Interface Timing Diagram
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