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LTC4304CDD Datasheet(PDF) 3 Page - Linear Technology |
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LTC4304CDD Datasheet(HTML) 3 Page - Linear Technology |
3 / 16 page LTC4304 3 4304fa The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VCC = 2.7V to 5.5V, unless otherwise noted. voltage than its input. The magnitude of this offset voltage as a function of the pull-up resistor and VCC voltage is shown in the Typical Performance Characteristics section. Note 5: IPULLUPAC varies with temperature and VCC voltage, as shown in the Typical Performance Characteristics section. Note 6: Determined by design, not tested in production. Note 7: ICC test performed with connection circuitry active. Note 8: When floating, the ACC pin can tolerate ±5µA of leakage. Note 1: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. Exposure to any Absolute Maximum Rating condition for extended periods may affect device reliability and lifetime. Note 2: All currents into pins are positive; all voltages are referenced to GND unless otherwise specified. Note 3: Pulsed less than 5µs. Note 4: The connection circuitry always regulates the output to a higher SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VHYS SDA, SCL, Logic Input Threshold Voltage (Note 6) 50 mV Hysteresis tPLH ENABLE Delay On-Off VCC = 3.3V 300 ns READY Delay Off-On (Note 6) 10 ns tPHL ENABLE Delay Off-On VCC = 3.3V ● 60 95 175 µs READY Delay On-Off (Note 6) 10 ns IOFF_READY Ready Off Leakage Current ● ±10 µA Rise-Time Accelerators IPULLUPAC Transient Boosted Pull-Up Current Positive Transition on SDA, SCL, VCC = 2.7V, 2 3.5 5.5 mA Slew Rate = 0.8V/µs (Note 5) tPDOFF ACC Delay, On/Off (Note 6) 5 ns VIH Input High Voltage Measured on ACC ● 0.9VCC V VIL Input Low Voltage Measured on ACC ● 0.1VCC V IIN ACC Input Current ACC Shorted to GND or VCC (Note 8) ● –100 100 µA Bus Stuck Low Timeout tTIMEOUT Bus Stuck Low Timer SDAOUT, SCLOUT = 0V ● 25 30 35 ms VOLFAULT FAULT Output Low Voltage IPULLUP = 3mA ● 0.4 V IOFF_FAULT VCC = 5.5V ● ±10 µA Input-Output Connection VOS Input-Output Offset Voltage 10k to VCC on SDA, SCL, ● 40 80 120 mV 2.7k to VCC on SDA, SCL ● 50 100 150 mV VCC = 3.3V, VSDA/SCL = 0.2V (Note 4) CIN Digital Input Capacitance (Note 6) 10 pF SDAIN, SDAOUT, SCLIN, SCLOUT VIL, MAX Input Logic Low Voltage ● 0.4 V ILEAK Input Leakage Current SDA, SCL, VCC = 5.5V ● ±5 µA VOL Output Low Voltage, Input = 0V SDA, SCL Pins, ISINK = 4mA, VCC = 2.7V ● 0 0.19 0.3 V Timing Characteristics fI2C, MAX I2C Maximum Operating Frequency (Note 6) 400 600 kHz tBUF Bus Free Time Between Stop and Start (Note 6) 1.3 µs Condition tHD, STA Hold Time After (Repeated) (Note 6) 100 ns Start Condition tSU, STA Repeated Start Condition Set-Up Time (Note 6) 0 ns tSU, STO Stop Condition Set-Up Time (Note 6) 0 ns tHD, DATI Data Hold Time Input (Note 6) 0 ns tSU, DAT Data Set-Up Time (Note 6) 100 ns ELECTRICAL CHARACTERISTICS |
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