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74ALVT16543DL 数据表(PDF) 3 Page - NXP Semiconductors |
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74ALVT16543DL 数据表(HTML) 3 Page - NXP Semiconductors |
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3 / 14 page ![]() Philips Semiconductors Product specification 74ALVT16543 2.5V/3.3V 16-bit registered transceiver (3-State) 1998 Feb 13 3 PIN CONFIGURATION 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 27 28 30 29 1OEAB 1LEAB 1EAB GND 1A0 1A1 1A2 1A3 1A4 GND 1A5 1A6 1A7 2A0 2A2 GND 2A3 VCC 2A1 2A4 2A5 2A6 2A7 2EAB VCC GND 2LEAB 2OEAB 1OEBA 1LEBA 1EBA GND 1B0 1B1 1B2 1B3 1B4 GND 1B5 1B6 1B7 2B0 2B2 GND 2B3 VCC 2B1 2B4 2B5 2B6 2B7 2EBA VCC GND 2LEBA 2OEBA SH00037 LOGIC SYMBOL 3 54 1EAB 1EBA 2 1LEAB 55 1LEBA 1 1OEAB 56 1OEBA 26 31 2EAB 2EBA 27 2LEAB 30 2LEBA 28 2OEAB 29 2OEBA 5 6 10 12 13 14 89 52 51 47 45 44 43 49 48 15 16 20 21 23 24 17 19 42 41 37 36 34 33 40 38 SH00038 1A0 1A1 1A2 1A3 1A4 1A5 1A6 1A7 1B0 1B1 1B2 1B3 1B4 1B5 1B6 1B7 2A0 2A1 2A2 2A3 2A4 2A5 2A6 2A7 2B0 2B1 2B2 2B3 2B4 2B5 2B6 2B7 PIN DESCRIPTION PIN NUMBER SYMBOL NAME AND FUNCTION 5, 6, 8, 9, 10, 12, 13, 14 15, 16, 17, 19, 20, 21, 23, 24 1A0 – 1A7, 2A0 – 2A7 A Data inputs/outputs 52, 51, 49, 48, 47, 45, 44, 43 42, 41, 40,38, 37, 36, 34, 33 1B0 – 1B7, 2B0 – 2B7 B Data inputs/outputs 1, 56 28, 29 1OEAB, 1OEBA, 2OEAB, 2OEBA A to B / B to A Output Enable inputs (active-Low) 3, 54 26, 31 1EAB, 1EBA, 2EAB, 2EBA A to B / B to A Enable inputs (active-Low) 2, 55 27, 30 1LEAB, 1LEBA, 2LEAB, 2LEBA A to B / B to A Latch Enable inputs (active-Low) 4, 11, 18, 25, 32, 39, 46, 53 GND Ground (0V) 7, 22, 35, 50 VCC Positive supply voltage |
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