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SN74ALS38BNSR Fiches technique(PDF) 2 Page - Texas Instruments |
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SN74ALS38BNSR Fiches technique(HTML) 2 Page - Texas Instruments |
2 / 16 page SN54ALS38B, SN74ALS38B QUADRUPLE 2-INPUT POSITIVE-NAND BUFFERS WITH OPEN-COLLECTOR OUTPUTS SDAS196B – APRIL 1982 – REVISED DECEMBER 1994 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 absolute maximum ratings over operating free-air temperature range (unless otherwise noted)† Supply voltage, VCC 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input voltage, VI 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating free-air temperature range, TA: SN54ALS38B – 55 °C to 125°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SN74ALS38B 0 °C to 70°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage temperature range – 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. recommended operating conditions SN54ALS38B SN74ALS38B UNIT MIN NOM MAX MIN NOM MAX UNIT VCC Supply voltage 4.5 5 5.5 4.5 5 5.5 V VIH High-level input voltage 2 2 V VIL Low-level input voltage 0.7 0.8 V VOH High-level output voltage 5.5 5.5 V IOL Low-level output current 12 24 mA TA Operating free-air temperature –55 125 0 70 °C electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS SN54ALS38B SN74ALS38B UNIT PARAMETER TEST CONDITIONS MIN TYP‡ MAX MIN TYP‡ MAX UNIT VIK VCC = 4.5 V, II = –18 mA –1.5 –1.5 V VOL VCC =4 5V IOL = 12 mA 0.25 0.4 0.25 0.4 V VOL VCC = 4.5 V IOL = 24 mA 0.35 0.5 V II VCC = 5.5 V, VI = 7 V 0.1 0.1 mA IIH VCC = 5.5 V, VI = 2.7 V 20 20 µA IIL VCC = 5.5 V, VI = 0.4 V – 0.1 – 0.1 mA IOH VCC = 4.5 V, VOH = 5.5 V 0.1 0.1 mA ICCH VCC = 5.5 V, VI = 0 0.86 1.6 0.86 1.6 mA ICCL VCC = 5.5 V, VI = 4.5 V 4.8 7.8 4.8 7.8 mA ‡ All typical values are at VCC = 5 V, TA = 25°C. switching characteristics (see Figure 1) PARAMETER FROM (INPUT) TO (OUTPUT) VCC = 4.5 V to 5.5 V, CL = 50 pF, RL = 500 Ω, TA = MIN to MAX§ UNIT (INPUT) (OUTPUT) SN54ALS38B SN74ALS38B MIN MAX MIN MAX tPLH AorB Y 7 59 10 33 ns tPHL A or B Y 2 20 1 12 ns § For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions. |
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