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ADP5587 数据表(PDF) 4 Page - Analog Devices |
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ADP5587 数据表(HTML) 4 Page - Analog Devices |
4 / 24 page ADP5587 Rev. B | Page 4 of 24 AC CHARACTERISTICS Table 4. General AC Characteristics1 Parameter Symbol Min Typ Max Unit Delay from Reset Deassertion to I2C Access RSTD 60 μs Keypad Unlock Timer TKUT 7 sec Keypad Interrupt Mask Timer TKIMT 31 sec Debounce TD 275 μs 1 Guaranteed by design. Table 5. I2C AC Electrical Characteristics1 Parameter Symbol Min Typ Max Unit SCL Clock Frequency fSCL 400 kHz SCL High Time tHIGH 0.6 μs SCL Low Time tLOW 1.3 μs Data Setup Time tSU, DAT 100 ns Data Hold Time tHD, DAT 0 0.9 μs Setup Time for Repeated Start tSU, STA 0.6 μs Hold Time for Start/Repeated Start tHD, STA 0.6 μs Bus Free Time for Stop and Start tBUF 1.3 μs Setup Time for Stop Condition tSU, STO 0.6 μs Rise Time for SCL and SDA2 tR 20 + 0.1 CB 300 ns Fall Time for SCL and SDA2 tF 20 + 0.1 CB 300 ns Pulse Width of Suppressed Spike tSP 0 50 μs 1 Guaranteed by design. 2 tR and tF are measured between 0.3 × VCC and 0.7 × VCC. SDA SCL S S = START CONDITION Sr = REPEATED START CONDITION P = STOP CONDITION Sr P S tLOW tR tHD, DAT tHIGH tSU, DAT tF tF tSU, STA tHD, STA tSP tSU, STO tBUF tR Figure 2. I2C Interface Timing Diagram |
类似零件编号 - ADP5587_1 |
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类似说明 - ADP5587_1 |
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