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UPD360 Datasheet(PDF) 212 Page - Microchip Technology |
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UPD360 Datasheet(HTML) 212 Page - Microchip Technology |
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212 / 221 page ![]() UPD360 DS00002084C-page 212 2016-2017 Microchip Technology Inc. Note 16-9 8.5 or 8.0, depending on loading of 30pF or 10pF, respectively. 16.6.4 PORT POWER CONTROLLER AC PARAMETERS FIGURE 16-5: SPI SLAVE OUTPUT TIMING TABLE 16-11: SPI TIMING VALUES Symbol Description Min Typ Max Units fsck SPI_CLK clock frequency 25 MHz tclk_duty SPI_CLK high/low duty cycle 40 60 % tscss SPI_CS setup time to SPI_CLK 5ns tscsh SPI_CS hold time from SPI_CLK 5ns tscshl SPI_CS inactive time 100 ns tsu Data input setup time to SPI_CLK 10 ns thd Data input hold time from SPI_CLK 4ns ton Data output turn on time from SPI_CLK 0ns tv Data output valid time from SPI_CLK Note 16-9 ns tho Data output hold time from SPI_CLK 0ns tdis Data output disable time from SPI_CS inactive 20 ns TABLE 16-12: PORT POWER CONTROLLER AC PARAMETERS Parameter Symbol Min Typ Max Units Notes Turn On Delay tON_PSW 0.75 ms PWR_EN active toggle to switch on time, VBUS discharge not active. Turn Off Time tOFF_PSW_INA 0.75 ms PWR_EN inactive toggle to switch off time. CBUS = 120 F Turn Off Time tOFF_PSW_ERR 1 ms Over-current Error, VBUS Min Error, or Discharge Error to switch off. CBUS = 120 F Note 16-10 Turn Off Time tOFF_PSW_ERR 100 ns TSD or Back-drive Error to switch off. CBUS = 120 F VBUS Output Rise Time tR_BUS 1.1 ms Measured from 10% to 90% of VBUS, CLOAD = 220 F ILIM = 1.0 A Soft Turn on Rate I BUS / t 100 mA / µs SPI_DO SPI_CLK tclk_duty SPI_CS tdis ton tv tho |
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