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SN74AHCT08DBRG4 Arkusz danych(PDF) 3 Page - Texas Instruments |
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SN74AHCT08DBRG4 Arkusz danych(HTML) 3 Page - Texas Instruments |
3 / 22 page SN54AHCT08, SN74AHCT08 QUADRUPLE 2-INPUT POSITIVE-AND GATES SCLS237L − OCTOBER 1995 − REVISED JULY 2003 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions (see Note 4) SN54AHCT08 SN74AHCT08 UNIT MIN MAX MIN MAX UNIT VCC Supply voltage 4.5 5.5 4.5 5.5 V VIH High-level input voltage 2 2 V VIL Low-level input voltage 0.8 0.8 V VI Input voltage 0 5.5 0 5.5 V VO Output voltage 0 VCC 0 VCC V IOH High-level output current −8 −8 mA IOL Low-level output current 8 8 mA Δt/Δv Input transition rise or fall rate 20 20 ns/V TA Operating free-air temperature −55 125 −40 85 °C NOTE 4: 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. electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS V TA = 25°C SN54AHCT08 SN74AHCT08 UNIT PARAMETER TEST CONDITIONS VCC MIN TYP MAX MIN MAX MIN MAX UNIT V IOH = −50 mA 45V 4.4 4.5 4.4 4.4 V VOH IOH = −8 mA 4.5 V 3.94 3.8 3.8 V V IOL = 50 mA 45V 0.1 0.1 0.1 V VOL IOL = 8 mA 4.5 V 0.36 0.44 0.44 V II VI = 5.5 V or GND 0 V to 5.5 V ±0.1 ±1* ±1 mA ICC VI = VCC or GND, IO = 0 5.5 V 2 20 20 mA ΔICC† One input at 3.4 V, Other inputs at VCC or GND 5.5 V 1.35 1.5 1.5 mA Ci VI = VCC or GND 5 V 4 10 10 pF * On products compliant to MIL-PRF-38535, this parameter is not production tested at VCC = 0 V. † This is the increase in supply current for each input at one of the specified TTL voltage levels, rather than 0 V or VCC. switching characteristics over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1) PARAMETER FROM TO LOAD TA = 25°C SN54AHCT08 SN74AHCT08 UNIT PARAMETER FROM (INPUT) TO (OUTPUT) LOAD CAPACITANCE MIN TYP MAX MIN MAX MIN MAX UNIT tPLH AorB Y C 15 pF 5** 6.9** 1** 8** 1 8 ns tPHL A or B Y CL = 15 pF 5** 6.9** 1** 8** 1 8 ns tPLH AorB Y C =50pF 5.5 7.9 1 9 1 9 ns tPHL A or B Y CL = 50 pF 5.5 7.9 1 9 1 9 ns ** On products compliant to MIL-PRF-38535, this parameter is not production tested. |
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