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ST75C176B 数据表(PDF) 7 Page - STMicroelectronics |
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ST75C176B 数据表(HTML) 7 Page - STMicroelectronics |
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7 / 17 page ![]() Obsolete Product(s) - Obsolete Product(s) Obsolete Product(s) - Obsolete Product(s) ST75C176B - ST75C176C 7/17 1 All currents into device pins are positive; all cuts 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. Note: 1 All currents into device pins are positive; all cuts out of device pins are negative; all voltages are referenced to device ground unless specified. IOSD2 Driver short-circuit current, VO=Low VO = -7 to 12V (Note 3) 35 250 mA IOSR Receiver short-circuit current VO = 0V to VCC 795 mA 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) (See Note 1) Symbol Parameter Test conditions Min. Typ. Max. Unit Table 7. Driver switching characteristics (VCC = 5V ± 5%, TA = TMIN to TMAX, unless otherwise specified. Typical values are referred to TA = 25°C) (See Note 1) Symbol Parameter Test Conditions Min. Typ. Max. Unit tPLH tPHL Propagation delay input to output RDIFF = 54Ω, CL1 = CL2 = 100pF (See Figure 4 and Figure 6) 10 30 60 ns tSK Output skew to output RDIFF = 54Ω, CL1 = CL2 = 100pF (See Figure 4 and Figure 6) 510 ns tTLH tTHL Rise or fall time RDIFF = 54Ω, CL1 = CL2 = 100pF (See Figure 4 and Figure 6) 315 40 ns tPZH Output enable time CL = 100pF, S2 = Closed (See Figure 5 and Figure 7) 40 70 ns tPZL Output enable time CL = 100pF, S1 = Closed (See Figure 5 and Figure 7) 40 70 ns tPLZ Output disable time CL = 15pF, S1 = Closed (See Figure 5 and Figure 7) 40 70 ns tPHZ Output disable time CL = 15pF, S2 = Closed (See Figure 5 and Figure 7) 40 70 ns |
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