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6N138V Scheda tecnica(PDF) 6 Page - Fairchild Semiconductor |
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6N138V Scheda tecnica(HTML) 6 Page - Fairchild Semiconductor |
6 / 15 page 6 www.fairchildsemi.com Single-Channel: 6N138, 6N139 Dual-Channel: HCPL-2730, HCPL-2731 Rev. 1.0.0 Electrical Characteristics (TA = 25°C unless otherwise specified) Current Limiting Resistor Calculations R1 (Non-Invert) = VDD1 - VDF - VOL1 IF R1 (Invert) = VDD1 - VOH1 - VDF IF R2 = VDD2 - = VOLX (@ IL - I2) IL Where: VDD1 - Input Supply Voltage VDD2 - Output Supply Voltage VDF - Diode Forward Voltage VOL1 - Logic “0” Voltage of Driver VOH1 - Logic “1” Voltage of Driver IF - Diode Forward Current VOLX - Saturation Voltage of Output Transistor IL - Load Current Through Resistor R2 I2 - Input Current of Output Gate 3 4 2 1 6 5 7 8 2 R 1 R IN OUT VDD1 DD2 V IN 4 3 2 5 6 7 R2 OUT 1 8 DD2 V R1 Fig. 2 Non-Inverting Logic Interface Fig. 3 Inverting Logic Interface INPUT R1 (V) OUTPUT CMOS @ 5 V CMOS @ 10 V 74XX 74LXX 74SXX 74LSXX 74HXX R2 (V) R2 (V) R2 (V) R2 (V) R2 (V) R2 (V) R2 (V) CMOS @ 5 V NON-INV. 2000 1000 2200 750 1000 1000 1000 560 INV. 510 CMOS @ 10 V NON-INV. 5100 INV. 4700 74XX NON-INV. 2200 INV. 180 74LXX NON-INV. 1800 INV. 100 74SXX NON-INV. 2000 INV. 360 74LSXX NON-INV. 2000 INV. 180 74HXX NON-INV. 2000 INV. 180 Fig. 1 Resistor Values for Logic Interface |
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