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SN74AHCT14PW データシート(PDF) 3 Page - Texas Instruments |
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SN74AHCT14PW データシート(HTML) 3 Page - Texas Instruments |
3 / 21 page SN54AHCT14, SN74AHCT14 HEX SCHMITT-TRIGGER INVERTERS SCLS246P – OCTOBER 1995 – REVISED JULY 2003 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS VCC TA = 25°C SN54AHCT14 SN74AHCT14 UNIT PARAMETER TEST CONDITIONS VCC MIN TYP MAX MIN MAX MIN MAX UNIT VT+ Positive going input 4.5 V 0.9 1.9 0.9 1.9 0.9 1.9 V Positive-going input threshold voltage 5.5 V 1 2.1 1 2.1 1 2.1 V VT– Negative going input 4.5 V 0.5 1.5 0.5 1.5 0.5 1.5 V Negative-going input threshold voltage 5.5 V 0.6 1.7 0.6 1.7 0.6 1.7 V ∆VT Hysteresis 4.5 V 0.4 1.4 0.4 1.4 0.4 1.4 V Hysteresis (VT+ – VT–) 5.5 V 0.4 1.5 0.4 1.5 0.4 1.5 V VOH IOH = –50 mA 4.5 V 4.4 4.5 4.4 4.4 V VOH IOH = –8 mA 4.5 V 3.94 3.8 3.8 V VOL IOL = 50 mA 4.5 V 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 ∆ICC† 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 2 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 SN54AHCT14 SN74AHCT14 UNIT PARAMETER (INPUT) (OUTPUT) CAPACITANCE MIN TYP MAX MIN MAX MIN MAX UNIT tPLH A Y CL =15 pF 4** 7** 1** 8** 1 8 ns tPHL A Y CL = 15 pF 4** 7** 1** 8** 1 8 ns tPLH A Y CL =50 pF 5.5 8 1 9 1 9 ns tPHL A Y CL = 50 pF 5.5 8 1 9 1 9 ns ** On products compliant to MIL-PRF-38535, this parameter is not production tested. noise characteristics, VCC = 5 V, CL = 50 pF, TA = 25°C (see Note 5) PARAMETER SN74AHCT14 UNIT PARAMETER MIN TYP MAX UNIT VOL(P) Quiet output, maximum dynamic VOL 0.9 V VOL(V) Quiet output, minimum dynamic VOL –0.7 V VOH(V) Quiet output, minimum dynamic VOH 4.3 V VIH(D) High-level dynamic input voltage 2.1 V VIL(D) Low-level dynamic input voltage 0.5 V NOTE 5: Characteristics are for surface-mount packages only. operating characteristics, VCC = 5 V, TA = 25°C PARAMETER TEST CONDITIONS TYP UNIT Cpd Power dissipation capacitance No load, f = 1 MHz 12 pF |
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同様の説明 - SN74AHCT14PW |
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