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ADM1487EARZ-REEL7 Scheda tecnica(PDF) 7 Page - Analog Devices |
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ADM1487EARZ-REEL7 Scheda tecnica(HTML) 7 Page - Analog Devices |
7 / 16 page ADM485E/ADM487E/ADM1487E Rev. 0 | Page 7 of 16 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS ADM485E/ ADM487E/ ADM1487E TOP VIEW (Not to Scale) RO 1 RE 2 DE 3 DI 4 VCC 8 B 7 A 6 GND 5 Figure 2. Pin Configuration Table 6. Pin Function Descriptions Pin No. Mnemonic Description 1 RO Receiver Output. When enabled, if A > B by 200 mV, then RO = high. If A < B by 200 mV, then RO = low. 2 RE Receiver Output Enable. A low level enables the RO; a high level places it in a high impedance state. 3 DE Driver Output Enable. A high level enables the driver differential outputs, Pin A and Pin B; a low level places it in a high impedance state. 4 DI Driver Input. When the driver is enabled, a Logic L = low on DI forces A low and B high; a Logic H = high on DI forces Pin A high and Pin B low. 5 GND Ground Connection (0 V). 6 A Noninverting Receiver Input A/Driver Output A. 7 B Inverting Receiver Input B/Driver Output B. 8 VCC Power Supply (5 V ± 5%). |
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