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74F863 데이터시트(PDF) 4 Page - NXP Semiconductors |
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74F863 데이터시트(HTML) 4 Page - NXP Semiconductors |
4 / 12 page Philips Semiconductors Product specification 74F862, 74F863 Bus transceivers (3-State) 2000 Mar 24 4 LOGIC DIAGRAM 74F862 10 10 OEAB OEBA An Bn SF00531 LOGIC DIAGRAM 74F863 99 OEAB0 An Bn OEAB1 OEBA0 OEBA1 SF00532 INPUT AND OUTPUT LOADING AND FAN-OUT TABLE PINS DESCRIPTION 74F(U.L.) HIGH/LOW LOAD VALUE HIGH/LOW A0 – A9 Data transmit inputs 3.5/0.117 70 µA/70µA B0 – B9 Data receive inputs 3.5/0.117 70 µA/70µA 74F862 OEBA Transmit output enable input 1.0/0.033 20 µA/20µA 74F862 OEAB Receive output enable input 1.0/0.033 20 µA/20µA A0 – A9 Data transmit outputs 1200/106.7 24mA/64mA B0 – B9 Data receive outputs 1200/106.7 24mA/64mA A0 – A9 Data transmit inputs 3.5/0.117 70 µA/70µA B0 – B9 Data receive inputs 3.5/0.117 70 µA/70µA 74F863 OEBAn Transmit output enable input 1.0/0.033 20 µA/20µA 74F863 OEABn Receive output enable input 1.0/0.033 20 µA/20µA A0 – A9 Data transmit outputs 1200/106.7 24mA/64mA B0 – B9 Data receive outputs 1200/106.7 24mA/64mA NOTE: One (1.0) FAST Unit Load is defined as: 20 µA in the High state and 0.6mA in the Low state. FUNCTION TABLE FOR 74F862 INPUTS OPERATING MODES OEAB OEBA 74F862 L H A data to B bus H L B bus to A data H H Z H = High voltage level L = Low voltage level Z = High impedance “off” state FUNCTION TABLE FOR 74F863 INPUTS OPERATING MODES OEAB0 OEAB1 OEBA0 OEBA1 74F863 L L0 L L H X X H A data to B bus H X X H L L L L B bus to A data H H H H Z H = High voltage level L = Low voltage level Z = High impedance “off” state |
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