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74LVTH16245BBQ 데이터시트(PDF) 6 Page - NXP Semiconductors |
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6 / 19 page 74LVT_LVTH16245B_7 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2010. All rights reserved. Product data sheet Rev. 07 — 29 March 2010 6 of 19 NXP Semiconductors 74LVT16245B; 74LVTH16245B 3.3 V 16-bit transceiver; 3-state 5.2 Pin description 6. Functional description 6.1 Function table [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 SOT1134-1 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, D3, G3, J3, J4, G4, D4, B4 A32, A3, A8, A11, A16, A19, A24, A27 ground (0 V) VCC 7, 18, 31, 42 C3, H3, H4, C4 A1, A10, A17, A26 supply voltage 1OE, 2OE 48, 25 A6, K6 A29, A14 output enable input (active LOW) 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 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 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] Control Input/output nOE nDIR nAn nBn L L output nAn = nBn input L H input output nBn = nAn HX Z Z |
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