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MC1488DR2G データシート(PDF) 7 Page - ON Semiconductor |
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MC1488DR2G データシート(HTML) 7 Page - ON Semiconductor |
7 / 11 page MC1488 http://onsemi.com 7 2. Power Supply Range − as can be seen from the schematic drawing of the drivers, the positive and negative driving elements of the device are essentially independent and do not require matching power supplies. In fact, the positive supply can vary from a minimum 7.0 V (required for driving the negative pulldown section) to the maximum specified 15 V. The negative supply can vary from approximately − 2.5 V to the minimum specified − 15 V. The MC1488 will drive the output to within 2.0 V of the positive or negative supplies as long as the current output limits are not exceeded. The combination of the current limiting and supply voltage features allow a wide combination of possible outputs within the same quad package. Thus if only a portion of the four drivers are used for driving EIA−232D lines, the remainder could be used for DTL to MOS or even DTL to DTL translation. Figure 17 shows one such combination. Figure 16. MDTL/MTTL−to−MOS Translator Figure 17. Logic Translator Applications MOS Output (with VSS = GND) 10 k 1.0 k MDTL MTTL Input 1/4 MC1488 12 V −12 V −12 V MOS Output −10 V to 0 V MDTL Output −0.7 V to +5.7 V MHTL Output −0.7 V to 10 V MRTL Output −0.7 V to +3.7 V −12 V 10 k 1.0 k 5.0 V 8 1 11 6 3.0 V 3 MC1488 13 12 10 9 5 4 MDTL MMOS Input MDTL MHTL Input 2 MDTL NAND Gate Input MDTL Input 12 V 14 7 |
同様の部品番号 - MC1488DR2G |
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同様の説明 - MC1488DR2G |
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