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ST485B Scheda tecnica(PDF) 8 Page - STMicroelectronics |
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ST485B Scheda tecnica(HTML) 8 Page - STMicroelectronics |
8 / 19 page Electrical characteristics ST485B - ST485C 8/19 Table 8. Receiver switching characteristics VCC = 5 V ± 5%, TA = TMIN to TMAX, unless otherwise specified. Typical values are referred to TA = 25 °C) Symbol Parameter Test conditions (1) Value Unit -40 to 85 °C -55 to 125°C Min. Typ. Max. Min. Max. tPLH tPHL Propagation delay input to output RDIFF=54Ω, CL1 = CL2 = 100pF (See Figure 4 and Figure 8) 20 130 210 230 ns tSKD Differential receiver skew RDIFF=54Ω, CL1 = CL2 = 100pF (See Figure 4 and Figure 8) 13 ns tPZH Output enable time CRL = 15pF, S1 = Closed (See Fig. 2 and Figure 9) 20 50 56 ns tPZL Output enable time CRL = 15pF, S2 = Closed (See Fig. 2 and Figure 9) 20 50 56 ns tPLZ Output disable time CRL = 15pF, S1 = Closed (See Fig. 2 and Figure 9) 20 50 56 ns tPHZ Output disable time CRL = 15pF, S2 = Closed (See Fig. 2 and Figure 9) 20 50 56 ns fMAX Maximum data rate 2.5 2.5 Mbps 1. All currents into device pins are positive; all cuttents out of device pins are negative; all voltages are referenced to device ground unless specified |
Codice articolo simile - ST485B |
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Descrizione simile - ST485B |
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