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ST491A 数据表(PDF) 4 Page - STMicroelectronics |
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ST491A 数据表(HTML) 4 Page - STMicroelectronics |
4 / 12 page ST491A 4/12 RECEIVER ELECTRICAL CHARACTERISTICS VCC = 4.5V to 5.5V, TA = -40 to 85°C, unless otherwise specified. Typical values are referred to Ta = 25°C) DRIVER SWITCHING CHARACTERISTICS VCC =4.5V to 5.5V, TA = -40 to 85°C, unless otherwise specified. Typical values are referred to Ta = 25°C) RECEIVER SWITCHING CHARACTERISTICS VCC =4.5V to5.5V, TA = -40 to 85°C, unless otherwise specified. Typical values are referred to Ta = 25°C) Symbol Parameter Test Conditions Min. Typ. Max. Unit IIN Input Current (A, B) other input=0V VCC= 0 or 5.25V VIN=12V 0.5 1 mA VIN=-7V -0.35 -0.8 mA VTH Receiver Differential Threshold Voltage VCM = -7V to 12V -0.2 0.2 V ∆V TH Receiver Input Hysteresis VCM =0V 70 mV VOH Receiver Output High Voltage IOUT = -8mA, VID = 200mV 3.5 4.7 V VOL Receiver Output Low Voltage IOUT = 8mA, VID = -200mV 0.3 0.5 V RRIN Receiver Input Resistance VCM = -7V to 12V 12 24 K Ω Symbol Parameter Test Conditions Min. Typ. Max. Unit DR Maximum Data Rate Jitter <5% 25 50 Mbps tPLH tPHL Propagation Delay Input to Output RL=54Ω CL1=CL2=50pF, (Figure 1) 10 16 ns tSKEW Differential Output Delay Skew RL=54Ω CL1=CL2=50pF, (Figure 1) 1 3 ns tTLH tTHL Rise or Fall Differential Time RL=54Ω CL1=CL2=50pF, (Figure 1) 8 12 ns tPZL Output Enable Time CL= 50pF S1 Closed 14 25 ns tPZH Output Enable Time CL= 50pF S2 Closed 14 25 ns tPHZ Output Disable Time CL= 15pF S2 Closed 10 25 ns tPLZ Output Disable Time CL= 15pF S1 Closed 16 25 ns Symbol Parameter Test Conditions Min. Typ. Max. Unit tPLH tPHL Propagation Delay Input to Output CL = 15pF (Figures 2,4) 19 30 ns tSKD |tPLH - tPHL| Receiver Output Skew CL = 15pF (Figures 2,4) 1 3 ns tTLH tTHL Rise or Fall Time CL = 15pF (Figures 2,4) 6 ns tPZL Output Enable Time CRL = 15pF S1 Closed 6 12 ns tPZH Output Enable Time CRL = 15pF S2 Closed 7 12 ns tPHZ Output Disable Time CRL = 15pF S2 Closed 6 12 ns tPLZ Output Disable Time CRL = 15pF S1 Closed 6 12 ns |
类似零件编号 - ST491A |
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类似说明 - ST491A |
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