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BRF1A16G Datasheet(PDF) 3 Page - Agere Systems |
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BRF1A16G Datasheet(HTML) 3 Page - Agere Systems |
3 / 12 page Agere Systems Inc. 3 Data Sheet April 2001 BRF1A, BRF2A, BRS2B, BRR1A, and BRT1A Quad Differential Receivers Electrical Characteristics (continued) Table 3. Voltage and Current Characteristics For variation in minimum VOH and maximum VOL over the temperature range, see Figure 8. TA = –40 °C to +125 °C. 12-2819.a(F) Figure 2. BRT1A Terminating Resistor Configuration Parameter Sym Min Typ Max Unit Output Voltages, VCC = 4.5 V: Low, IOL = 8.0 mA VOL —— 0.5 V High, IOH = −400 µA VOH 2.4 — — V Enable Input Voltages: Low, VCC = 5.5 V VIL1 1. The input levels and difference voltage provide zero noise immunity and should be tested only in a static, noise-free environment. —— 0.7 V High, VCC = 5.5 V VIH1 2.0 — — V Clamp, VCC = 4.5 V, II = –5.0 mA VIK —— –1.0 V Differential Input Voltages, VIH – VIL:2 2. Outputs of unused receivers assume a logic 1 level when the inputs are left open. (It is recommended that all unused positive inputs be tied to the positive power supply. No external series resistor is required.) −0.80 V < VIH < 7.2 V, −1.2 V < VIL < 6.8 V VTH1 —0.1 0.20 V Input Offset Voltage VOFF 0.02 0.05 V Input Offset Voltage BRS2B VOFF 0.1 0.15 V Output Currents, VCC = 5.5 V: Off-state (high Z), VO = 0.4 V IOZL —— –20 µA Off-state (high Z), VO = 2.4 V IOZH —— 20 µA Short Circuit IOS3 3. Test must be performed one lead at a time to prevent damage to the device. –25 — –100 mA Enable Currents, VCC = 5.5 V: Low, VIN = 0.4 V IIL — — –400 µA High, VIN = 2.7 V IIH —— 20 µA Reverse, VIN = 5.5 V IIH —— 100 µA Differential Input Currents, VCC = 5.5 V: Low, VIN = –1.2 V IIL —— −1.0 mA High, VIN = 7.2 V IIH —— 1.0 mA Differential Input Impedance (BRR1A): Connected Between RI and RI RO — 110 — Ω Differential Input Impedance (BRT1A)4 4. See Figure 2. R1 —60— Ω R2 —90— Ω RI R1 R1 R2 RI |
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