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MAX6663AEE Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX6663AEE Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 24 page Temperature Monitors and PWM Fan Controllers _______________________________________________________________________________________ 3 Note 1: Tested at +85oC. Values through the temperature range are guaranteed by design. Note 2: Not production tested, guaranteed by design. ELECTRICAL CHARACTERISTICS (continued) (VCC = +3.0V to +5.5V, TA = 0 °C to +125°C, unless otherwise noted. Typical values are at VCC = +3.3V, TA = +25°C.) (Note1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Temperature Conversion Time 250 ms Conversion Rate Timing Error (Note 2) 25 25 % High level 80 100 120 Remote-Diode Sourcing Current Low level 8 10 12 µA DXN Source Voltage 0.7 V TACHOMETER Input Hysteresis 100 mV Output Low Voltage (Sink Current) VOL SDL, SDR, THERM, FAN_FAULT, SMBDATA, PWM_OUT, VCC = +3V, IOUT = 6mA, INT, VCC = +3V, IOUT = 4mA 0.4 V Output High Leakage Current IOH INT, SDL, SDR, THERM, FAN_FAULT, SMBDATA, PWM_OUT 1µA Logic Low Input Voltage VIL SMBDATA, SMBCLK, INT, THERM, TACH/AIN 0.8 V 3.0V 2.2 Logic High Input Voltage VIH SMBDATA, SMBCLK, INT, THERM, TACH/AIN 5.5V 2.6 V Input Leakage Current ILEAK SMBDATA, SMBCLK, INT, THERM; VIN = VCC or GND ±1 µA Input Capacitance CIN 5pF SMBus TIMING Serial Clock Frequency fSCLK (Note 2) 10 100 kHz Clock Low Period tLOW 10% to 10% (Note 2) 4 µs Clock High Period tHIGH 90% to 90% (Note 2) 4.7 µs Bus Free Time Between Stop and Start Condition tBUF (Note 2) 4.7 µs SMBus Start Condition Setup Time tSU:STA 90% of SMBCLK to 90% of SMBDATA (Note 2) 4.7 µs Start Condition Hold Time tHD:STO 10% of SMBDATA to 10% of SMBCLK (Note 2) 4 µs Stop Condition Setup Time tSU:STO 90% of SMBCLK to 10% of SMBDATA (Note 2) 4 µs Data Setup Time tSU:DAT 10% of SMBDATA to 10% of SMBCLK (Note 2) 250 ns Data Hold Time tHD:DAT 10% of SMBCLK to 10% of SMBDATA (Note 2) 300 ns SMBus Fall Time tF (Note 2) 300 ns SMBus Rise Time tR (Note 2) 1000 ns SMBus Timeout 29 37 45 ms |
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