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ST3485E Scheda tecnica(PDF) 7 Page - STMicroelectronics |
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ST3485E Scheda tecnica(HTML) 7 Page - STMicroelectronics |
7 / 22 page ST3485E Electrical characteristics 7/22 Table 9. Receiver electrical characteristics VCC = 3V to 3.6V, TA = -40 to 85°C, unless otherwise specified. Typical values are referred to Ta = 25°C) Symbol Parameter Test Conditions Min. Typ. Max. Unit VTH Receiver differential threshold voltage VCM = -7V to 12V, DE = 0 -0.2 0.2 V ∆V TH Receiver input hysteresis VCM = 0V 70 V VOH Receiver output high voltage IOUT = -4mA, VID = 200mV (Figure 8. and Figure 9.) 2V VOL Receiver output low voltage IOUT = 4mA, VID = -200mV, (Figure 3.)0.4 V IOZR 3-State (high impedance) output current at receiver VCC = 3.6VVO = 0V to VCC ± 1 µA RRIN Receiver input resistance VCM = -7V to 12V 24 K Ω IOSR Receiver short-circuit current VRO = 0V to VCC 760 mA Table 10. Driver switching characteristics VCC = 3V to 3.6V, TA = -40 to 85°C, unless otherwise specified. Typical values are referred to Ta = 25°C) Symbol Parameter Test Conditions Min. Typ. Max. Unit DR Maximum data rate 12 15 Mbps tDD Differential output delay RL= 60Ω, CL = 15pF, (Figure 4. and Figure 5.) 18 30 ns tTD Differential output transition time RL= 60Ω, CL = 15pF, (Figure 4. and Figure 5.) 12 20 ns tPLH tPHL Propagation delay RL= 27Ω, CL = 15pF, (Figure 8. and Figure 9.) 18 30 ns tPDS |tPLH - tPHL| Propagation delay skew (Note 2) RL= 27Ω, CL = 15pF, (Figure 8. and Figure 9.) 25 ns tPZL Output enable time RL= 110Ω, (Figure 10. and Figure 11.)19 35 ns tPZH Output enable time RL= 110Ω, (Figure 6. and Figure 7.)30 50 ns tPHZ Output disable time RL= 110Ω, (Figure 6. and Figure 7.)19 35 ns tPLZ Output disable time RL= 110Ω, (Figure 10. and Figure 11.)30 50 ns tSKEW Differential output delay skew 13 ns tZH(SHDN) Driver enable from shutdown to output high 30 50 ns tZL(SHDN) Driver enable from shutdown to output low 19 35 ns |
Codice articolo simile - ST3485E_06 |
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Descrizione simile - ST3485E_06 |
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