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74LVC2244A Fiches technique(PDF) 3 Page - NXP Semiconductors |
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3 / 17 page 74LVC2244A All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved. Product data sheet Rev. 5 — 3 November 2011 3 of 17 NXP Semiconductors 74LVC2244A Octal buffer/line driver; 30 series termination; 3-state 5. Pinning information 5.1 Pinning 5.2 Pin description (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 (T)SSOP20 Fig 4. Pin configuration DHVQFN20 74LVC2244A 001aad084 1 2 3 4 5 6 7 8 9 10 12 11 14 13 16 15 18 17 20 19 1OE 1A0 2Y0 1A1 2Y1 1A2 2Y2 1A3 2Y3 GND VCC 2OE 1Y0 2A0 2A1 1Y2 1Y1 2A2 1Y3 2A3 001aad085 74LVC2244A Transparent top view GND(1) 9 12 8 13 7 14 6 15 5 16 4 17 3 18 2 19 terminal 1 index area 1A0 2Y0 1A1 2Y1 1A2 2Y2 1A3 2Y3 2OE 1Y0 2A0 1Y1 2A1 1Y2 2A2 1Y3 Table 2. Pin description Symbol Pin Description 1OE 1 output enable input (active LOW) 2OE 19 output enable input (active LOW) 1A[0:3] 2, 4, 6, 8 data input 2A[0:3] 17, 15, 13, 11 data input 1Y[0:3] 18, 16, 14, 12 data output 2Y[0:3] 3, 5, 7, 9 data output GND 10 ground (0 V) VCC 20 supply voltage |
Numéro de pièce similaire - 74LVC2244A_15 |
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Description similaire - 74LVC2244A_15 |
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