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ST485BN Arkusz danych(PDF) 7 Page - STMicroelectronics |
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ST485BN Arkusz danych(HTML) 7 Page - STMicroelectronics |
7 / 19 page ST485B - ST485C Electrical characteristics 7/19 IOSD1 Driver short-circuit current, VO=High VO = -7 to 12V (3) 35 25035250 mA IOSD2 Driver short-circuit current, VO=Low VO = -7 to 12V (3) 35 25035250 mA IOSR Receiver short-circuit current VO = 0V to VCC 7 95795 mA 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. 2. Supply current specification is valid for loaded transmitters when VDE = 0V 3. Applies to peak current. See typical Operating Characteristics. Table 6. DC electrical characteristics (continued) 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. Table 7. Driver 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 6) 10 30 60 70 ns tSK Output skew to output RDIFF = 54Ω, CL1 = CL2 = 100pF (See Figure 4 and Figure 6) 510 10 ns tTLH tTHL Rise or fall time RDIFF = 54Ω, CL1 = CL2 = 100pF (See Figure 4 and Figure 6) 3 15 40 3 45 ns tPZH Output enable time CL = 100pF, S2 = Closed (See Figure 5 and Figure 7) 70 90 90 ns tPZL Output enable time CL = 100pF, S1 = Closed (See Figure 5 and Figure 7) 70 90 90 ns tPLZ Output disable time CL = 15pF, S1 = Closed (See Figure 5 and Figure 7) 70 90 90 ns tPHZ Output disable time CL = 15pF, S2 = Closed (See Figure 5 and Figure 7) 70 90 90 ns 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. |
Podobny numer części - ST485BN |
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Podobny opis - ST485BN |
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