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ADUC843 Datasheet(PDF) 5 Page - Analog Devices |
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ADUC843 Datasheet(HTML) 5 Page - Analog Devices |
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5 / 88 page  ADuC841/ADuC842/ADuC843 Rev. 0 | Page 5 of 88 Parameter VDD = 5 V VDD = 3 V Unit Test Conditions/Comments LOGIC INPUTS4 INPUT VOLTAGES All Inputs Except SCLOCK, SDATA, RESET, and XTAL1 VINL, Input Low Voltage VINH, Input High Voltage SDATA VINL, Input Low Voltage VINH, Input High Voltage 0.8 2.0 0.8 2.0 0.4 2.0 0.8 2.0 V max V min V max V min SCLOCK and RESET Only4 (Schmitt-Triggered Inputs) VT+ VT– VT+ – VT– 1.3 3.0 0.8 1.4 0.3 0.85 0.95 0.25 0.4 1.1 0.3 0.85 V min V max V min V max V min V max CRYSTAL OSCILLATOR Logic Inputs, XTAL1 Only VINL, Input Low Voltage 0.8 0.4 V typ VINH, Input High Voltage 3.5 2.5 V typ XTAL1 Input Capacitance 18 18 pF typ XTAL2 Output Capacitance 18 18 pF typ MCU CLOCK RATE 16.78 20 8.38 8.38 MHz max MHz max ADuC842/ADuC843 Only ADuC841 Only DIGITAL OUTPUTS Output High Voltage (VOH) 2.4 V min VDD = 4.5 V to 5.5 V 4 V typ ISOURCE = 80 µA 2.4 V min VDD = 2.7 V to 3.3 V 2.6 V typ ISOURCE = 20 µA Output Low Voltage (VOL) ALE, Ports 0 and 2 0.4 0.4 V max ISINK = 1.6 mA 0.2 0.2 V typ ISINK = 1.6 mA Port 3 0.4 0.4 V max ISINK = 4 mA SCLOCK/SDATA 0.4 0.4 V max ISINK = 8 mA, I2C Enabled Floating State Leakage Current4 ±10 ±10 µA max ±1 ±1 µA typ STARTUP TIME At any core CLK At Power-On 500 500 ms typ From Idle Mode 100 100 µs typ From Power-Down Mode Wake-up with INT0 Interrupt 150 400 µs typ Wake-up with SPI/I2C Interrupt 150 400 µs typ Wake-up with External RESET 150 400 µs typ After External RESET in Normal Mode 30 30 ms typ After WDT Reset in Normal Mode 3 3 ms typ Controlled via WDCON SFR |
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