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74ALVCH162244 Datasheet(PDF) 3 Page - NXP Semiconductors |
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74ALVCH162244 Datasheet(HTML) 3 Page - NXP Semiconductors |
3 / 11 page Philips Semiconductors Product specification 74ALVCH162244 16-bit buffer/line driver with 30 W termination resistor (3-State) 1998 Jun 29 3 PIN DESCRIPTION PIN NUMBER SYMBOL NAME AND FUNCTION 1 1OE Output enable input (active LOW) 2, 3, 5, 6 1Y0 to 1Y3 Data outputs 4, 10, 15, 21, 28, 34, 39, 45 GND Ground (0V) 7, 18, 31, 42 VCC Positive supply voltage 8, 9, 11, 12 2Y0 to 2Y3 13, 14, 16, 17 3Y0 to 3Y3 Data outputs 19, 20, 22, 23 4Y0 to 4Y3 24 4OE Output enable input (active LOW) 25 3OE Output enable input (active LOW) 30, 29, 27, 26 4A0 to 4A3 36, 35, 33, 32 3A0 to 3A3 Data inputs 41, 40, 38, 37 2A0 to 2A3 Data inputs 47, 46, 44, 43 1A0 to 1A3 48 2OE Output enable input (active LOW) LOGIC SYMBOL 47 46 44 43 1 2 3 5 6 1A0 1A1 1A2 1A3 1OE 1Y0 1Y1 1Y2 1Y3 36 35 33 32 25 13 14 16 17 3A0 3A1 3A2 3A3 3OE 3Y0 3Y1 3Y2 3Y3 41 40 38 37 48 8 9 11 12 2A0 2A1 2A2 2A3 2OE 2Y0 2Y1 2Y2 2Y3 30 29 27 26 24 19 20 22 23 4A0 4A1 4A2 4A3 4OE 4Y0 4Y1 4Y2 4Y3 SW00195 FUNCTION TABLE INPUTS OUTPUT nOE nAn nYn L L L L H H H X Z H = HIGH voltage level L = LOW voltage level X = don’t care Z = high impedance OFF-state LOGIC SYMBOL (IEEE/IEC) SW00060 48 EN1 1 ∇ 46 44 43 41 40 38 37 36 EN2 EN3 EN4 2 ∇ 3 ∇ 4 ∇ 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 1OE 2OE 3OE 4OE 1A0 1A1 1A2 1A3 2A0 2A1 2A2 3A0 3A1 3A2 3A3 4A0 4A1 4A2 4A3 1Y0 1Y1 1Y2 1Y3 2Y0 2Y1 2Y2 2Y3 3Y0 3Y1 3Y2 3Y3 4Y0 4Y3 2A3 4Y1 4Y2 1 1 1 1 BUS HOLD CIRCUIT To internal circuit VCC Data Input SW00044 |
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