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HFBR-779BZ Datasheet(PDF) 6 Page - AVAGO TECHNOLOGIES LIMITED |
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HFBR-779BZ Datasheet(HTML) 6 Page - AVAGO TECHNOLOGIES LIMITED |
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6 Electrical Characteristics Transmitter Electrical Characteristics (TC = 0 °C to +80 °C, VCC = 3.3 V ± 5%, Typical TC = +40 °C, VCC = 3.3 V) Parameter Symbol Min. Typ. Max. Unit Reference (Conditions) Supply Current ICCT 320 415 mA Fig. 6 Power Dissipation PDIST 1.1 1.45 W Differential Input Impedance Zin 80 100 120 W 1, Fig. 7, 11 FAULT Assert Time TOFF 200 250 µs Fig. 13 RESET Assert Time TOFF 57.5 µs Fig. 14 RESET De-assert Time TON 55 100 ms Fig. 14 Transmit Enable (TX_EN) Assert Time TON 55 100 ms Fig. 15 Transmit Enable (TX_EN) De-assert Time TOFF 5 7.5 µs 2, Fig. 15 Transmit Disable (TX_DIS) Assert Time TOFF 57.5 µs Fig. 15 Transmit Disable (TX_DIS) De-assert Time TON 55 100 ms Fig. 15 Power On Initiation Time TINT 60 100 ms Fig. 12 Control I/Os |Input Current High | |IIH| 0.5 mA (2.0 V < VIH < VCC) (TX_EN, TX_DIS | Input Current Lo w| |IIL| 0.5 mA (VEE < VIL < 0.8 V) FAULT, RESET) Output Voltage Low VOL VEE 0.4 V (IOL = 4.0 mA) LVTTL & LVCMOS Output Voltage High VOH 2.5 3.3 VCC V(IOH = –0.5 mA) Compatible Notes: 1. Differential impedance is measured between DIN+and DIN– over the range 4 MHz to 2 GHz. 2. When the control signal Transmitter Enable, Tx_EN, is used to disable the transmitter, Tx_EN must be taken to a logic low-state level (VIL) for one millisecond or longer. Similarly, if the control signal Transmitter Disable, Tx_DIS, is used, then Tx_DIS must be taken to a logic high- state level (VIH) for one millisecond or longer. |
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