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UCD9111RHB Datasheet(PDF) 9 Page - Texas Instruments |
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UCD9111RHB Datasheet(HTML) 9 Page - Texas Instruments |
9 / 29 page UCD9111 SEPEMBER 2006 9 www.ti.com High level output voltage (VOH) I PGOOD = -5 mA 2.8 V PMBus AERT PMBus Alert assertion delay TBD μs PMBus Alert deassertion delay TBD μs Low level output voltage (VOL) I alert = 5 mA 0.4 V High level output voltage (VOH) I alert = -5 mA 2.8 V THERMAL SHUTDOWN Shutdown temperature Junction temperature TBD ºC Hysteresis TBD ºC I/O CHARACTERISTICS High input voltage, VIH VD33=3.3V 2 3.45 V Low input voltage, VIL VD33=3.3V 0.8 V Input hysteresis voltage. VD33=3.3V 0.3 V Output Voltage High (VOH) VD33=3.3V, IOH = -5mA 2.8 Output Voltage Low (VOL) VD33 = 3.3V, IOL = 5mA 0.4 PMBus/SMBus/I2C FSMB PMBus/SMBus operating frequency Slave mode, SMBC 50% duty cycle 100 kHz FI2C I 2C operating frequency Slave mode, SCL 50% duty cycle 400 kHz t(BUF) Bus free time between start and stop 4.7 us t(HD:STA) Hold time after (repeated) start 4.0 us t(SU:STA) Repeated start setup time 4.7 us t(SU:STO) Stop setup time 4.0 us t(HD:DAT) Data hold time Receive Mode 0 ns Transmit Mode 300 ns t(SU:DAT) Data setup time 250 ns t(TIMEOUT) Error signal/detect (1) 25 35 ms t(LOW) Clock low period 4.7 us t(HIGH) Clock high period (2) 4.0 50 us |
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