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74HC74BQ 数据表(PDF) 5 Page - NXP Semiconductors |
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74HC74BQ 数据表(HTML) 5 Page - NXP Semiconductors |
5 / 22 page 74HC_HCT74 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved. Product data sheet Rev. 4 — 27 August 2012 5 of 21 NXP Semiconductors 74HC74; 74HCT74 Dual D-type flip-flop with set and reset; positive edge-trigger 8. Recommended operating conditions 9. Static characteristics Table 6. Recommended operating conditions Voltages are referenced to GND (ground = 0 V) Symbol Parameter Conditions 74HC74 74HCT74 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 +25 +125 40 +25 +125 C t/V input transition rise and fall rate VCC = 2.0 V - - 625 - - - ns/V VCC = 4.5 V - 1.67 139 - 1.67 139 ns/V VCC = 6.0 V - - 83 - - - ns/V Table 7. Static characteristics At recommended operating conditions; voltages are referenced to GND (ground = 0 V). Symbol Parameter Conditions Tamb = 40 C to +85 C Tamb = 40 C to +125 C Unit Min Typ[1] Max Min Max 74HC74 VIH HIGH-level input voltage VCC = 2.0 V 1.5 1.2 - 1.5 - V VCC = 4.5 V 3.15 2.4 - 3.15 - V VCC = 6.0 V 4.2 3.2 - 4.2 - V VIL LOW-level input voltage VCC = 2.0 V - 0.8 0.5 - 0.5 V VCC = 4.5 V - 2.1 1.35 - 1.35 V VCC = 6.0 V - 2.8 1.8 - 1.8 V VOH HIGH-level output voltage VI =VIH or VIL IO = 4.0 mA; VCC = 4.5 V 3.84 4.32 - 3.7 - V IO = 5.2 mA; VCC = 6.0 V 5.34 5.81 - 5.2 - V VOL LOW-level output voltage VI =VIH or VIL IO =4.0 mA; VCC = 4.5 V - 0.15 0.33 - 0.4 V IO =5.2 mA; VCC = 6.0 V - 0.16 0.33 - 0.4 V II input leakage current VI =VCC or GND; VCC =6.0 V -- 1.0 - 1.0 A ICC supply current VI =VCC or GND; IO =0A; VCC =6.0 V -- 40 - 80 A CI input capacitance 3.5 pF 74HCT74 VIH HIGH-level input voltage VCC = 4.5 V to 5.5 V 2.0 1.6 - 2.0 - V VIL LOW-level input voltage VCC = 4.5 V to 5.5 V - 1.2 0.8 - 0.8 V |
类似零件编号 - 74HC74BQ |
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类似说明 - 74HC74BQ |
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