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LMS1487E 数据表(PDF) 3 Page - National Semiconductor (TI) |
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LMS1487E 数据表(HTML) 3 Page - National Semiconductor (TI) |
3 / 13 page Pin Descriptions Pin # I/O Name Function 1 O RO Receiver Output: If A > B by 200 mV, RO will be high; If A < B by 200 mV, RO will be low. RO will be high also if the inputs (A and B) are open (non-terminated). 2I RE* Receiver Output Enable: RO is enabled when RE* is low; RO is in TRI-STATEwhen RE* is high 3 I DE Driver Output Enable: The driver outputs (A and B) are enabled when DE is high; they are in TRI-STATETRI-STATE® when DE is low. Pins A and B also function as the receiver input pins (see below) 4 I DI Driver Input: A low on DI forces A low and B high while a high on DI forces A high and B low when the driver is enabled 5 NA GND Ground 6 I/O A Non-inverting Driver Output and Receiver Input pin. Driver output levels conform to RS-485 signaling levels 7 I/O B Inverting Driver Output and Receiver Input pin. Driver Output levels conform to RS-485 signaling levels 8NA V CC Power Supply: 4.75V ≤ V CC ≤ 5.25V Ordering Information Package Part Number Package Marking Transport Media NSC Drawing 8-Pin SOIC LMS1487ECM LMS1487ECM 95 Units/Rail M08A LMS1487ECMX 2.5k Units Tape and Reel LMS1487EIM LMS1487EIM 95 Units/Rail LMS1487EIMX 2.5k Units Tape and Reel 8-Pin DIP LMS1487ECNA LMS1487ECNA 40 Units/Rail N08E LMS1487EINA LMS1487EINA 40 Units/Rail www.national.com 3 |
类似零件编号 - LMS1487E |
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类似说明 - LMS1487E |
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