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SN74LVC244ADW 数据表(PDF) 4 Page - Texas Instruments |
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SN74LVC244ADW 数据表(HTML) 4 Page - Texas Instruments |
4 / 19 page www.ti.com Recommended Operating Conditions (1) SN74LVC244A OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS SCAS414X – NOVEMBER 1992 – REVISED MARCH 2005 TA = 25°C –40 TO 85°C –40 TO 125°C UNIT MIN MAX MIN MAX MIN MAX Operating 1.65 3.6 1.65 3.6 1.65 3.6 VCC Supply voltage V Data retention only 1.5 1.5 1.5 VCC = 1.65 V to 1.95 V 0.65 × VCC 0.65 × VCC 0.65 × VCC High-level VIH VCC = 2.3 V to 2.7 V 1.7 1.7 1.7 V input voltage VCC = 2.7 V to 3.6 V 2 2 2 VCC = 1.65 V to 1.95 V 0.35 × VCC 0.35 × VCC 0.35 × VCC Low-level VIL VCC = 2.3 V to 2.7 V 0.7 0.7 0.7 V input voltage VCC = 2.7 V to 3.6 V 0.8 0.8 0.8 VI Input voltage 0 5.5 0 5.5 0 5.5 V VO Output voltage 0 VCC 0 VCC 0 VCC V VCC = 1.65 V –4 –4 –4 VCC = 2.3 V –8 –8 –8 High-level IOH mA output current VCC = 2.7 V –12 –12 –12 VCC = 3 V –24 –24 –24 VCC = 1.65 V 4 4 4 VCC = 2.3 V 8 8 8 Low-level IOL mA output current VCC = 2.7 V 12 12 12 VCC = 3 V 24 24 24 (1) All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report, Implications of Slow or Floating CMOS Inputs, literature number SCBA004. 4 |
类似零件编号 - SN74LVC244ADW |
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类似说明 - SN74LVC244ADW |
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