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74LVC16245AEV 데이터시트(PDF) 6 Page - NXP Semiconductors |
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74LVC16245AEV 데이터시트(HTML) 6 Page - NXP Semiconductors |
6 / 19 page 74LVC_LVCH16245A_8 © NXP B.V. 2008. All rights reserved. Product data sheet Rev. 08 — 6 November 2008 6 of 19 NXP Semiconductors 74LVC16245A; 74LVCH16245A 16-bit bus transceiver with direction pin; 5 V tolerant; 3-state 5.2 Pin description 6. Functional description [1] H = HIGH voltage level; L = LOW voltage level; X = don’t care; Z = high-impedance OFF-state. Table 2. Pin description Symbol Pin Description SOT370-1 and SOT362-1 SOT702-1 SOT1025-1 1DIR, 2DIR 1, 24 A1, K1 A30, A13 direction control input 1B0 to 1B7 2, 3, 5, 6, 8, 9, 11, 12 B2, B1, C2, C1, D2, D1, E2, E1 B20, A31, D5, D1, A2, B2, B3, A5 data input/output 2B0 to 2B7 13, 14, 16, 17, 19, 20, 22, 23 F1, F2, G1, G2, H1, H2, J1, J2 A6, B5, B6, A9, D2, D6, A12, B8 data input/output GND 4, 10, 15, 21, 28, 34, 39, 45 B3, B4, D3, D4, G3, G4, J3, J4 A32, A3, A8, A11, A16, A19, A24, A27 ground (0 V) VCC 7, 18, 31, 42 C3, C4, H3, H4 A1, A10, A17, A26 supply voltage 1OE, 2OE 48, 25 A6, K6 A29, A14 output enable input (active LOW) 1A0 to 1A7 47, 46, 44, 43, 41, 40, 38, 37 B5, B6, C5, C6, D5, D6, E5, E6 B18, A28, D8, D4, A25, B16, B15, A22 data input/output 2A0 to 2A7 36, 35, 33, 32, 30, 29, 27, 26 F6, F5, G6, G5, H6, H5, J6, J5 A21, B13, B12, A18, D3, D7, A15, B10 data input/output n.c. - A2, A3, A4, A5, K2, K3, K4, K5 A4, A7, A20, A23, B1, B4, B7, B9, B11, B14, B17, B19 not connected Table 3. Function table[1] Inputs Outputs nOE nDIR nAn nBn L L A = B inputs L H inputs B = A HX Z Z |
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