ZHCSOM7H July 2001 – September 2024 PCF8574A
PRODUCTION DATA
請參考 PDF 數據表獲取器件具體的封裝圖。
| MIN | MAX | UNIT | |||
|---|---|---|---|---|---|
| fscl | I2C clock frequency | 100 | kHz | ||
| tsch | I2C clock high time | 4 | μs | ||
| tscl | I2C clock low time | 4.7 | μs | ||
| tsp | I2C spike time | 70 | ns | ||
| tsds | I2C serial data setup time | 250 | ns | ||
| tsdh | I2C serial data hold time | 0 | ns | ||
| ticr | I2C input rise time | 1 | μs | ||
| ticf | I2C input fall time | 0.3 | μs | ||
| tocf | I2C output fall time (10-pF to 400-pF 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 | ||
| tvd | Valid data time | SCL low to SDA output valid | 3.4 | μs | |
| Cb | I2C bus capacitive load | 400 | pF | ||