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74LVCH244ADB Datasheet(PDF) 7 Page - NXP Semiconductors |
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74LVCH244ADB Datasheet(HTML) 7 Page - NXP Semiconductors |
7 / 19 page 74LVC_LVCH244A All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved. Product data sheet Rev. 8 — 26 June 2013 7 of 19 NXP Semiconductors 74LVC244A; 74LVCH244A Octal buffer/line driver; 3-state [1] All typical values are measured at VCC = 3.3 V (unless stated otherwise) and Tamb =25 C. [2] The bus hold circuit is switched off when VI >VCC allowing 5.5 V on the input terminal. [3] Valid for data inputs of bus hold parts only (74LVCH244A). Note that control inputs do not have a bus hold circuit. [4] The specified sustaining current at the data input holds the input below the specified VI level. [5] The specified overdrive current at the data input forces the data input to the opposite input state. II input leakage current VI = 5.5 V or GND; VCC =3.6 V [2] - 0.1 5- 20 A IOZ OFF-state output current VI =VIH or VIL; VO = 5.5 V or GND; VCC =3.6 V [2] - 0.1 5- 20 A IOFF power-off leakage current VI or VO =5.5 V; VCC = 0.0 V - 0.1 10 - 20 A ICC supply current VI =VCC or GND; IO =0A; VCC =3.6 V -0.1 10 - 40 A I CC additional supply current per input pin; VI =VCC 0.6 V; IO =0A; VCC = 2.7 V to 3.6 V - 5 500 - 5000 A CI input capacitance -4.0 - - - pF IBHL bus hold LOW current VCC = 1.65 V; VI = 0.58 V [3][4] 10 - - 10 - A VCC = 2.3 V; VI = 0.7 V 30 - - 25 - A VCC = 3.0 V; VI = 0.8 V 75 - - 60 - A IBHH bus hold HIGH current VCC = 1.65 V; VI = 1.07 V [3][4] 10 - - 10 - A VCC = 2.3 V; VI = 1.7 V 30 - - 25 - A VCC = 3.0 V; VI = 2.0 V 75 - - 60 - A IBHLO bus hold LOW overdrive current VCC = 1.95 V [3][5] 200 - - 200 - A VCC = 2.7 V 300 - - 300 - A VCC = 3.6 V 500 - - 500 - A IBHHO bus hold HIGH overdrive current VCC = 1.95 V [3][5] 200 - - 200 - A VCC = 2.7 V 300 - - 300 - A VCC = 3.6 V 500 - - 500 - A Table 6. Static characteristics …continued At recommended operating conditions. Voltages are referenced to GND (ground = 0 V). Symbol Parameter Conditions 40 C to +85 C 40 C to +125 C Unit Min Typ[1] Max Min Max |
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