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CD74ACT139ME4 数据表(PDF) 2 Page - Texas Instruments |
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CD74ACT139ME4 数据表(HTML) 2 Page - Texas Instruments |
2 / 14 page CD54ACT139, CD74ACT139 DUAL 2-LINE TO 4-LINE DECODERS/DEMULTIPLEXERS SCHS337 – MARCH 2003 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 FUNCTION TABLE (each decoder/demultiplexer) INPUTS OUTPUTS G SELECT OUTPUTS G B A Y0 Y1 Y2 Y3 H X X H H H H L L LL HH H L L HH LH H L H LH HL H L H H H H H L logic diagram (positive logic) Select Inputs Select Inputs 2B 2A 2G 1B 1A 1G Data Outputs 2Y3 2Y2 2Y1 2Y0 1Y3 1Y2 1Y1 1Y0 1 2 3 15 14 13 4 5 6 7 12 11 10 9 absolute maximum ratings over operating free-air temperature range† Supply voltage range, VCC –0.5 V to 6 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input clamp current, IIK (VI < 0 or VI > VCC) (see Note 1) ±20 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Output clamp current, IOK (VO < 0 or VO > VCC) (see Note 1) ±50 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous output current, IO (VO = 0 to VCC) ±50 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous current through VCC or GND ±100 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Package thermal impedance, θJA (see Note 2): E package 67 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M package 73 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage temperature range, Tstg –65 °C to 150°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . † Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. NOTES: 1. The input and output voltage ratings may be exceeded if the input and output current ratings are observed. 2. The package thermal impedance is calculated in accordance with JESD 51-7. |
类似零件编号 - CD74ACT139ME4 |
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类似说明 - CD74ACT139ME4 |
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