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74HCT244PW 数据表(PDF) 6 Page - NXP Semiconductors |
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74HCT244PW 数据表(HTML) 6 Page - NXP Semiconductors |
6 / 18 page 74HC_HCT244 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved. Product data sheet Rev. 4 — 24 September 2012 6 of 18 NXP Semiconductors 74HC244; 74HCT244 Octal buffer/line driver; 3-state 10. Dynamic characteristics 74HCT244 VIH HIGH-level input voltage VCC = 4.5 V to 5.5 V 2.0 1.6 - 2.0 - 2.0 - V VIL LOW-level input voltage VCC = 4.5 V to 5.5 V - 1.2 0.8 - 0.8 - 0.8 V VOH HIGH-level output voltage VI =VIH or VIL; VCC =4.5 V IO = 20 A 4.4 4.5 - 4.4 - 4.4 - V IO = 6 mA 3.98 4.32 - 3.84 - 3.7 - V VOL LOW-level output voltage VI =VIH or VIL; VCC =4.5 V IO =20 A - 0 0.1 - 0.1 - 0.1 V IO = 6.0 mA - 0.16 0.26 - 0.33 - 0.4 V II input leakage current VI =VCC or GND; VCC =5.5 V -- 0.1 - 1.0 - 1.0 A IOZ OFF-state output current per input pin; VI =VIH or VIL; VO =VCC or GND; other inputs at VCC or GND; VCC =5.5 V; IO =0A -- 0.5 - 5.0 - 10 A ICC supply current VI =VCC or GND; VCC =5.5 V; IO =0A - - 8.0 - 80 - 160 A I CC additional supply current per input pin; VI =VCC 2.1 V; other inputs at VCC or GND; VCC = 4.5 V to 5.5 V; IO =0A - 70 252 - 315 - 343 A CI input capacitance -3.5 - - - - - pF Table 6. Static characteristics …continued 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 Table 7. Dynamic characteristics GND = 0 V; for load circuit see Figure 8. Symbol Parameter Conditions 25 C 40 C to +125 C Unit Min Typ Max Max (85 C) Max (125 C) 74HC244 tpd propagation delay nAn to nYn; see Figure 6 [1] VCC = 2.0 V - 30 110 145 165 ns VCC = 4.5 V - 11 22 28 33 ns VCC = 5.0 V; CL =15pF - 9 - - - ns VCC = 6.0 V - 9 19 24 28 ns |
类似零件编号 - 74HCT244PW |
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类似说明 - 74HCT244PW |
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