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74HCT240 数据表(PDF) 2 Page - NXP Semiconductors |
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74HCT240 数据表(HTML) 2 Page - NXP Semiconductors |
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2 / 18 page ![]() 74HC_HCT240_3 © NXP B.V. 2007. All rights reserved. Product data sheet Rev. 03 — 2 August 2007 2 of 18 NXP Semiconductors 74HC240; 74HCT240 Octal buffer/line driver; 3-state; inverting 4. Functional diagram 74HCT240D −40 °C to +125 °C SO20 plastic small outline package; 20 leads; body width 7.5 mm SOT163-1 74HCT240DB −40 °C to +125 °C SSOP20 plastic shrink small outline package; 20 leads; body width 5.3 mm SOT339-1 74HCT240PW −40 °C to +125 °C TSSOP20 plastic thin shrink small outline package; 20 leads; body width 4.4 mm SOT360-1 74HCT240BQ −40 °C to +125 °C DHVQFN20 plastic dual-in-line compatible thermal enhanced very thin quad flat package; no leads; 20 terminals; body 2.5 × 4.5 × 0.85 mm SOT764-1 Table 1. Ordering information …continued Type number Package Temperature range Name Description Version Fig 1. Logic symbol Fig 2. IEC logic symbol Fig 3. Functional diagram 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 1A3 1A2 1A1 1A0 2 4 6 8 1 1Y0 1Y1 18 16 14 12 1Y2 1Y3 1OE mgu780 2A3 2A2 2A1 2A0 17 15 13 11 19 2Y0 2Y1 3 5 7 9 2Y2 2Y3 2OE |
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