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ML145406-6P Arkusz danych(PDF) 2 Page - LANSDALE Semiconductor Inc. |
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ML145406-6P Arkusz danych(HTML) 2 Page - LANSDALE Semiconductor Inc. |
2 / 10 page www.lansdale.com Page 2 of 10 Issue A LANSDALE Semiconductor, Inc. ML145406 MAXIMUM RATINGS (Voltage polarities referenced to GND) Rating Symbol Value Unit DC Supply Voltages (VDD ≥ VCC) VDD VSS VCC – 0.5 to + 13.5 + 0.5 to – 13.5 – 0.5 to + 6.0 V Input Voltage Range Rx1–3 Inputs DI1–3 Inputs VIR (VSS – 15) to (VDD + 15) – 0.5 to (VCC + 0.5) V DC Current Per Pin ± 100 mA Power Dissipation PD 1.0 W Operating Temperature Range TA – 40 to + 85 °C Storage Temperature Rate Tstg – 85 to + 150 °C DC ELECTRICAL CHARACTERISTICS (All polarities referenced to GND = 0 V, TA = – 40 to +85°C) Parameter Symbol Min Typ Max Unit DC Supply Voltage VDD VSS VCC (VDD ≥ VCC) VDD VSS VCC 4.5 – 4.5 4.5 5 to 12 – 5 to – 12 5.0 13.2 – 13.2 5.5 V Quiescent Supply Current (Outputs unloaded, inputs low) VDD = + 12 V VSS = – 12 V VCC = + 5 V IDD ISS ICC — — — 140 340 300 400 600 450 µA RECEIVER ELECTRICAL SPECIFICATIONS (Voltage polarities referenced to GND = 0 V, VDD = + 5 to + 12 V, VSS = – 5 to – 12 V, VDD ≥ VCC, TA = – 40 to + 85°C) Characteristic Symbol Min Typ Max Unit Input Turn–on Threshold Rx1–Rx3 VDO1–DO3 = VOL, VCC = 5.0 V ± 5% Von 1.35 1.80 2.35 V Input Turn–off Threshold Rx1–Rx3 VDO1–DO3 = VOH, VCC = 5.0 V ± 5% Voff 0.75 1.00 1.25 V Input Threshold Hysteresis Rx1–Rx3 VCC = 5.0 V ± 5% Von–Voff 0.6 0.8 — V Input Resistance Rx1–Rx3 (VSS – 15 V) ≤ VRx1–Rx3 ≤ (VDD + 15 V) Rin 3.0 5.4 7.0 k High–Level Output Voltage (VRx1–Rx3 = – 3 V to (VSS – 15 V))* DO1–DO3 IOH = – 20 µA, VCC = + 5.0 V IOH = –1 mA, VCC = + 5.0 V VOH 4.9 3.8 4.9 4.3 — — V Low–Level Output Voltage (VRx1–Rx3 = + 3 V to (VDD + 15 V))* DO1–DO3 IOL = + 20 µA, VCC = + 5.0 V IOL = + 2 mA, VCC = + 5.0 V IOL = + 4 mA, VCC = + 5.0 V VOL — — — 0.01 0.02 0.5 0.1 0.5 0.7 V * This is the range of input voltages as specified by EIA 232–E to cause a receiver to be in the high or low logic state. This device contains protection circuitry to pro- tect the inputs against damage due to high static voltages or electric fields; however, it is advised that normal precautions be taken to avoid applica- tion of any voltage higher than maximum rated voltages to this high impedance circuit. For proper operation, it is recommended that the voltages at the DI and DO pins be constrained to the range GND ≤VDI≤VCCandGND≤VDO≤VCC.Also,the voltage at the Rx pin should be constrained to (VSS – 15 V) ≤ VRx1–3 ≤ (VDD + 15 V), and Tx should be constrained to VSS ≤ VTx1–3 ≤ VDD. Unused inputs must always be tied to an ap- propriate logic voltage level (e.g., GND or VCC for DI and Ground for Rx.) |
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