Rise and Fall time specifications for SCL and SDA lines of I2C
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What are the Rise and Fall time specifications for SCL and SDA lines of I2C communication in PSoC device?
The PSoC is fully compliant to the Philips I2C bus standard which may be downloaded from the following link: Download
The following Table 1 shows the Rise and Fall Time specifications for both SCL and SDA lines in both Full speed and Standard speed of operation.
Table1: Rise and Fall Time specifications for SCL and SDA lines in Full speed and Standard speed of operation
Parameter |
Standard mode(100KHz) |
Fast Mode(400KHz) |
Unit |
||
Min |
Max |
Min |
Max |
||
Rise Time (for both SCL and SDA |
_ |
1000 |
20+0.1Cb* |
300 |
ns |
Fall Time (for both SCL and SDA) |
_ |
300 |
20+0.1Cb* |
300 |
ns |
Where:
*Cb -> Total capacitance of one bus line in pF.
Translation - Chinese: I2C的SCL和SDA线的上升和下降时间规范 - Community Translated (ZH)
Translation - Japanese: I2C の SCL と SDA 信号の立ち上り(Rise)時間と立ち下り(Fall)時間の仕様 - ... - Cypress Developer Community