SLVSLJ5 March 2026 TCA9846
ADVANCE INFORMATION
| MIN | MAX | UNIT | |||
|---|---|---|---|---|---|
| STANDARD MODE | |||||
| fscl | I2C clock frequency | 0 | 100 | kHz | |
| tsch | I2C clock high time | 4 | μs | ||
| tscl | I2C clock low time | 4.7 | μs | ||
| tsp | I2C spike time | 50 | ns | ||
| tsds | I2C serial-data setup time | 250 | ns | ||
| tsdh | I2C serial-data hold time | 0(1) | μs | ||
| ticr | I2C input rise time | 1000 | ns | ||
| ticf | I2C input fall time | 300 | ns | ||
| tocf | I2C output (SDn) fall time (10pF to 400pF bus) | 300 | ns | ||
| tbuf | I2C bus free time between stop and start | 4.7 | μs | ||
| tsts | I2C start or repeated start condition setup | 4.7 | μs | ||
| tsth | I2C start or repeated start condition hold | 4 | μs | ||
| tsps | I2C stop condition setup | 4 | μs | ||
| tvdL(Data) | Valid-data time (high to low)(2) | SCL low to SDA output low valid | 1 | μs | |
| tvdH(Data) | Valid-data time (low to high)(2) | SCL low to SDA output high valid | 0.6 | μs | |
| tvd(ack) | Valid-data time of ACK condition | ACK signal from SCL low to SDA output low | 1 | μs | |
| Cb | I2C bus capacitive load | 400 | pF | ||
| FAST MODE | |||||
| fscl | I2C clock frequency | 0 | 400 | kHz | |
| tsch | I2C clock high time | 0.6 | μs | ||
| tscl | I2C clock low time | 1.3 | μs | ||
| tsp | I2C spike time | 50 | ns | ||
| tsds | I2C serial-data setup time | 100 | ns | ||
| tsdh | I2C serial-data hold time | 0(1) | μs | ||
| ticr | I2C input rise time | 20 + 0.1Cb (3) | 300 | ns | |
| ticf | I2C input fall time | 20 + 0.1Cb (3) | 300 | ns | |
| tocf | I2C output (SDn) fall time (10pF to 400pF bus) | 20 + 0.1Cb (3) | 300 | ns | |
| tbuf | I2C bus free time between stop and start | 1.3 | μs | ||
| tsts | I2C start or repeated start condition setup | 0.6 | μs | ||
| tsth | I2C start or repeated start condition hold | 0.6 | μs | ||
| tsps | I2C stop condition setup | 0.6 | μs | ||
| tvdL(Data) | Valid-data time (high to low)(2) | SCL low to SDA output low valid | 1 | μs | |
| tvdH(Data) | Valid-data time (low to high)(2) | SCL low to SDA output high valid | 0.6 | μs | |
| tvd(ack) | Valid-data time of ACK condition | ACK signal from SCL low to SDA output low | 1 | μs | |
| Cb | I2C bus capacitive load | 400 | pF | ||
| FAST MODE PLUS | |||||
| fscl | I2C clock frequency | I2C clock frequency | 0 | 1000 | kHz |
| tsch | I2C clock high time | I2C clock high time | 0.26 | μs | |
| tscl | I2C clock low time | I2C clock low time | 0.5 | μs | |
| tsp | I2C spike time | I2C spike time | 50 | ns | |
| tsds | I2C serial-data setup time | I2C serial-data setup time | 100 | ns | |
| tsdh | I2C serial-data hold time | I2C serial-data hold time | 0(1) | μs | |
| ticr | I2C input rise time | I2C input rise time | 120 | ns | |
| ticf | I2C input fall time | I2C input fall time | 20 * (VDD / 5.5V) (3) | 120 | ns |
| tbuf | I2C bus free time between stop and start | I2C bus free time between stop and start | 0.5 | μs | |
| tsts | I2C start or repeated start condition setup | I2C start or repeated start condition setup | 0.26 | μs | |
| tsth | I2C start or repeated start condition hold | I2C start or repeated start condition hold | 0.26 | μs | |
| tsps | I2C stop condition setup | I2C stop condition setup | 0.6 | μs | |
| tvdL(Data) | Valid-data time (high to low)(2) | SCL low to SDA output low valid | 0.45 | μs | |
| tvdH(Data) | Valid-data time (low to high)(2) | SCL low to SDA output high valid | 0.45 | μs | |
| tvd(ack) | Valid-data time of ACK condition | ACK signal from SCL low to SDA output low | 0.45 | μs | |
| Cb | I2C bus capacitive load | I2C bus capacitive load | 550 | pF | |