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MAX3109 Datasheet(PDF) 8 Page - Maxim Integrated Products |
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MAX3109 Datasheet(HTML) 8 Page - Maxim Integrated Products |
8 / 66 page 8 ______________________________________________________________________________________ Dual Serial UART with 128-Word FIFOs DC ELECTRICAL CHARACTERISTICS (continued) (VCC = 1.71V to 3.6V, VL = 1.71V to 3.6V, VEXT = 1.71V to 3.6V, TA = -40NC to +85NC, unless otherwise noted. Typical values are at VCC = 2.8V, VL = 1.8V, VEXT = 2.5V, TA = +25NC.) (Notes 2, 3) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS V18 Input Power-Supply Current I18 Baud rate = 1Mbps, 20MHz external clock, PLL disabled, UART in loopback mode, LDOEN = low (Note 4) 4 mA SCLK/SCL, MISO/SDA MISO/SDA Output Logic-Low Voltage in I2C Mode VOLI2C Sink current = 3mA, VL > 2V 0.4 V Sink current = 3mA, VL < 2V 0.2 x VL MISO/SDA Output Low Voltage in SPI Mode VOLSPI Sink current = 2mA 0.4 V MISO/SDA Output High Voltage in SPI Mode VOHSPI Source current = 2mA VL - 0.4 V Input Logic-Low Voltage VIL SPI and I2C mode 0.3 x VL V Input Logic-High Voltage VIH SPI and I2C mode 0.7 x VL V Input Hysteresis VHYST SPI and I2C mode 0.05 x VL V Input Leakage Current IIL VIN = 0 to VL, SPI and I2C mode -1 +1 F A Input Capacitance CIN SPI and I2C mode 5 pF SPI/I2C, CS/A0, MOSI/A1 INPUTS Input Logic-Low Voltage VIL SPI and I2C mode 0.3 x VL V Input Logic-High Voltage VIH SPI and I2C mode 0.7 x VL V Input Hysteresis VHYST SPI and I2C mode 50 mV Input Leakage Current IIL VIN = 0 to VL, SPI and I2C mode -1 +1 F A Input Capacitance CIN SPI and I2C mode 5 pF IRQ OUTPUT (OPEN DRAIN) Output Logic-Low Voltage VOL Sink current = 2mA 0.4 V Output Leakage Current IOL VIRQ = 0 to VL, IRQ is not asserted -1 +1 F A LDOEN AND RST INPUTS Input Logic-Low Voltage VIL 0.3 x VL V Input Logic-High Voltage VIH 0.7 x VL V Input Hysteresis VHYST 50 mV Input Leakage Current IIL VIN = 0 to VL -1 +1 F A |
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