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CAP1214 датащи(PDF) 16 Page - Microchip Technology |
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CAP1214 датащи(HTML) 16 Page - Microchip Technology |
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16 / 107 page ![]() Multiple Channel Capacitive Touch Sensor and LED Driver Datasheet Revision 1.0 (08-30-10) 16 SMSC CAP1214 DATASHEET I/O Pins - SMDATA, SMCLK, and ALERT Pins Output Low Voltage VOL 0.4 V ISINK_IO = 8mA Output High Voltage VOH VDD - 0.4 V ALERT pin active high and asserted ISOURCE_IO = 8mA Input High Voltage VIH 2.0 V Input Low Voltage VIL 0.8 V Leakage Current ILEAK ±5 uA powered or unpowered TA < 85°C pull-up voltage < VDD FEEDBACK Pin Output Low Voltage VOL 0.4 V ISINK_IO = 24mA Output High Voltage VOH VDD - 0.4 VISOURCE_IO = 24mA RESET Pin Input High Voltage VIH 2.0 V Input Low Voltage VIL 0.8 V RESET Filter Time tRST_FILT 10 ms RESET Pin release to fully active operation tRST_ON 675 775 ms SMBus Timing Input Capacitance CIN 5pF Clock Frequency fSMB 10 400 kHz Spike Suppression tSP 50 ns Bus free time Start to Stop tBUF 1.3 us Hold Time: Start tHD:STA 0.6 us Setup Time: Start tSU:STA 0.6 us Setup Time: Stop tSU:STO 0.6 us Data Hold Time tHD:DAT 0us Data Setup Time tSU:DAT 0.6 us Clock Low Period tLOW 1.3 us Clock High Period tHIGH 0.6 us Clock/Data Fall time tFALL 300 ns Min = 20+0.1CLOAD ns Table 3.2 Electrical Specifications (continued) VDD = 3V to 3.6V, TA = 0°C to 85°C, all Typical values at TA = 27°C unless otherwise noted. CHARACTERISTIC SYMBOL MIN TYP MAX UNIT CONDITIONS |
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