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SN74HCT32 Fiches technique(PDF) 2 Page - Texas Instruments |
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SN74HCT32 Fiches technique(HTML) 2 Page - Texas Instruments |
2 / 4 page SN54HCT32, SN74HCT32 QUADRUPLE 2-INPUT POSITIVE-OR GATES SCLS064B – NOVEMBER 1988 – REVISED MAY 1997 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 absolute maximum ratings over operating free-air temperature range† Supply voltage range, VCC –0.5 V to 7 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) ±20 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous output current, IO (VO = 0 to VCC) ±25 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous current through VCC or GND ±50 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Package thermal impedance, θJA (see Note 2): D package 127 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DB package 158 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N package 78 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PW package 170 °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, except for through-hole packages, which use a trace length of zero. recommended operating conditions SN54HCT32 SN74HCT32 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 VCC = 4.5 V to 5.5 V 2 2 V VIL Low-level input voltage VCC = 4.5 V to 5.5 V 0 0.8 0 0.8 V VI Input voltage 0 VCC 0 VCC V VO Output voltage 0 VCC 0 VCC V tt Input transition (rise and fall) time 0 500 0 500 ns TA Operating free-air temperature –55 125 –40 85 °C electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS VCC TA = 25°C SN54HCT32 SN74HCT32 UNIT PARAMETER TEST CONDITIONS VCC MIN TYP MAX MIN MAX MIN MAX UNIT VOH VI =VIH or VIL IOH = –20 µA 45 V 4.4 4.499 4.4 4.4 V VOH VI = VIH or VIL IOH = –4 mA 4.5 V 3.98 4.3 3.7 3.84 V VOL VI =VIH or VIL IOL = 20 µA 45 V 0.001 0.1 0.1 0.1 V VOL VI = VIH or VIL IOL = 4 mA 4.5 V 0.17 0.26 0.4 0.33 V II VI = VCC or 0 5.5 V ±0.1 ±100 ±1000 ±1000 nA ICC VI = VCC or 0, IO = 0 5.5 V 2 40 20 µA ∆ICC‡ One input at 0.5 V or 2.4 V, Other inputs at 0 or VCC 5.5 V 1.4 2.4 3 2.9 mA Ci 4.5 V to 5.5 V 3 10 10 10 pF ‡ This is the increase in supply current for each input that is at one of the specified TTL voltage levels rather than 0 V or VCC. PRODUCT PREVIEW information concerns products in the formative or design phase of development. Characteristic data and other specifications are design goals. Texas Instruments reserves the right to change or discontinue these products without notice. |
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Description similaire - SN74HCT32 |
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