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74HCT299 数据表(PDF) 7 Page - NXP Semiconductors |
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74HCT299 数据表(HTML) 7 Page - NXP Semiconductors |
7 / 24 page 74HC_HCT299_3 © NXP B.V. 2008. All rights reserved. Product data sheet Rev. 03 — 28 July 2008 7 of 24 NXP Semiconductors 74HC299; 74HCT299 8-bit universal shift register; 3-state [2] Ptot derates linearly at 12 mW/K above 70 °C. [3] Ptot derates linearly at 8 mW/K above 70 °C. [4] Ptot derates linearly at 5.5 mW/K above 60 °C. 8. Recommended operating conditions 9. Static characteristics Table 5. Recommended operating conditions Voltages are referenced to GND (ground = 0 V). Symbol Parameter Conditions 74HC299 74HCT299 Unit Min Typ Max Min Typ Max VCC supply voltage 2.0 5.0 6.0 4.5 5.0 5.5 V VI input voltage 0 - VCC 0- VCC V VO output voltage 0 - VCC 0- VCC V Tamb ambient temperature −40 - +125 −40 - +125 °C ∆t/∆V input transition rise and fall rate VCC = 2.0 V - - 625 - - - ns/V VCC = 4.5 V - 1.67 139 - 1.67 1.39 ns/V VCC = 6.0 V - - 83 - - - ns/V Table 6. Static characteristics At recommended operating conditions; voltages are referenced to GND (ground = 0 V). Symbol Parameter Conditions 25 °C −40 °C to +85 °C −40 °C to +125 °C Unit Min Typ Max Min Max Min Max 74HC299 VIH HIGH-level input voltage VCC = 2.0 V 1.5 1.2 - 1.5 - 1.5 - V VCC = 4.5 V 3.15 2.4 - 3.15 - 3.15 - V VCC = 6.0 V 4.2 3.2 - 4.2 - 4.2 - V VIL LOW-level input voltage VCC = 2.0 V - 0.8 0.5 - 0.5 - 0.5 V VCC = 4.5 V - 2.1 1.35 - 1.35 - 1.35 V VCC = 6.0 V - 2.8 1.8 - 1.8 - 1.8 V |
类似零件编号 - 74HCT299 |
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类似说明 - 74HCT299 |
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