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74ALVCH16540DGG Datasheet(PDF) 3 Page - NXP Semiconductors |
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74ALVCH16540DGG Datasheet(HTML) 3 Page - NXP Semiconductors |
3 / 12 page Philips Semiconductors Product specification 74ALVCH16540 16-bit buffer/line driver, inverting, 5V input tolerant (3-State) 1997 Aug 11 3 PIN DESCRIPTION PIN NUMBER SYMBOL NAME AND FUNCTION 1, 24 nOE1 Output enable input (active LOW) 2, 3, 5, 6, 8, 9, 11, 12 1Y0 to 1Y7 Data outputs 13, 14, 16, 17, 19, 20, 22, 23 2Y0 to 2Y7 Data outputs 4, 10, 15, 21, 28, 34, 39, 45 GND Ground (0V) 7, 18, 31, 42 VCC Positive supply voltage 25, 48 nOE2 Output enable input (active LOW) 36, 35, 33, 32, 30, 29, 27, 26 2A0 to 2A7 Data inputs 47, 46, 44, 43, 41, 40, 38, 37 1A0 to 1A7 Data inputs LOGIC SYMBOL 1A0 47 2 1Y0 1A1 46 3 1Y1 1A2 44 5 1Y2 1A3 43 6 1Y3 1A4 41 8 1Y4 1A5 40 9 1Y5 1A6 38 11 1Y6 1A7 37 12 1Y7 1OE1 1 1OE2 48 2A0 36 13 2Y0 2A1 35 14 2Y1 2A2 33 16 2Y2 2A3 32 17 2Y3 2A4 30 19 2Y4 2A5 29 20 2Y5 2A6 27 22 2Y6 2A7 26 23 2Y7 2OE1 24 2OE2 25 SW00109 FUNCTION TABLE INPUTS OUTPUT nOE1 nOE2 nAn nYn L L L H L L H L X H X Z H X X Z H = HIGH voltage level L = LOW voltage level X = don’t care Z = high impedance OFF-state LOGIC SYMBOL (IEEE/IEC) 48 1 ∇ 46 44 43 41 40 38 37 36 EN2 1 2 ∇ 1 1 25 24 47 35 33 32 30 29 27 26 3 2 5 6 8 9 11 12 13 14 16 17 19 20 22 23 SW00110 1OE1 1OE2 2OE1 2OE2 1A0 1A1 1A2 1A3 1A4 1A5 1A6 2A0 2A1 2A2 2A3 2A4 2A5 2A6 2A7 1Y0 1Y1 1Y2 1Y3 1Y4 1Y5 1Y6 1Y7 2Y0 2Y1 2Y2 2Y3 2Y4 2Y7 1A7 2Y5 2Y6 & & EN1 BUS HOLD CIRCUIT To internal circuit VCC Data Input SW00044 |
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