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74LVT245BQ 数据表(PDF) 3 Page - NXP Semiconductors |
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74LVT245BQ 数据表(HTML) 3 Page - NXP Semiconductors |
3 / 15 page 74LVT245_3 © NXP B.V. 2008. All rights reserved. Product data sheet Rev. 03 — 8 May 2008 3 of 15 NXP Semiconductors 74LVT245 3.3 V octal transceiver with direction pin (3-state) 5. Pinning information 5.1 Pinning 5.2 Pin description (1) The die substrate is attached to this pad using a conductive die attach material. It can not be used as a supply pin or input. Fig 3. Pin configuration for SO20 and (T)SSOP20 Fig 4. Pin configuration for DHVQFN20 74LVT245 DIR VCC A0 OE A1 B0 A2 B1 A3 B2 A4 B3 A5 B4 A6 B5 A7 B6 GND B7 001aah721 1 2 3 4 5 6 7 8 9 10 12 11 14 13 16 15 18 17 20 19 001aah722 74LVT245 GND(1) Transparent top view B6 A6 A7 B5 A5 B4 A4 B3 A3 B2 A2 B1 A1 B0 A0 OE 9 12 8 13 7 14 6 15 5 16 4 17 3 18 2 19 terminal 1 index area Table 2. Pin description Symbol Pin Description DIR 1 direction control A0 to A7 2, 3, 4, 5, 6, 7, 8, 9 data input/output GND 10 ground (0 V) B0 to B7 18, 17, 16, 15, 14, 13, 12, 11 data input/output OE 19 output enable input (active LOW) VCC 20 supply voltage |
类似零件编号 - 74LVT245BQ |
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类似说明 - 74LVT245BQ |
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