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74AHC240BQ Fiches technique(PDF) 2 Page - NXP Semiconductors |
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74AHC240BQ Fiches technique(HTML) 2 Page - NXP Semiconductors |
2 / 16 page 74AHC_AHCT240 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2010. All rights reserved. Product data sheet Rev. 2 — 26 November 2010 2 of 16 NXP Semiconductors 74AHC240; 74AHCT240 Octal buffer/line driver; inverting; 3-state 4. Functional diagram 5. Pinning information 5.1 Pinning Fig 1. Logic symbol Fig 2. IEC logic symbol mgu779 1A3 1A2 1A1 1A0 2 4 6 8 1 1Y0 1Y1 18 16 14 12 1Y2 1Y3 1OE 2A3 2A2 2A1 2A0 17 15 13 11 19 2Y0 2Y1 3 5 7 9 2Y2 2Y3 2OE 12 14 2 4 6 8 18 16 1 EN mgu778 3 5 11 13 15 17 9 7 19 EN (1) This is not a supply pin. The substrate is attached to this pad using conductive die attach material. There is no electrical or mechanical requirement to solder this pad. However, if it is soldered, the solder land should remain floating or be connected to GND. Fig 3. Pin configuration SO20 and TSSOP20 Fig 4. Pin configuration DHVQFN20 74AHC240 74AHCT240 1OE VCC 1A0 2OE 2Y0 1Y0 1A1 2A0 2Y1 1Y1 1A2 2A1 2Y2 1Y2 1A3 2A2 2Y3 1Y3 GND 2A3 001aal192 1 2 3 4 5 6 7 8 9 10 12 11 14 13 16 15 18 17 20 19 001aal193 74AHC240 74AHCT240 GND(1) Transparent top view 1Y3 1A3 2Y3 2A2 2Y2 1Y2 1A2 2A1 2Y1 1Y1 1A1 2A0 2Y0 1Y0 1A0 2OE 9 12 8 13 7 14 6 15 5 16 4 17 3 18 2 19 terminal 1 index area |
Numéro de pièce similaire - 74AHC240BQ |
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Description similaire - 74AHC240BQ |
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