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SN74AHCT125PWRE4 Fiches technique(PDF) 4 Page - Texas Instruments |
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SN74AHCT125PWRE4 Fiches technique(HTML) 4 Page - Texas Instruments |
4 / 23 page SN54AHCT125, SN74AHCT125 QUADRUPLE BUS BUFFER GATES WITH 3-STATE OUTPUTS SCLS264O – DECEMBER 1995 – REVISED JULY 2003 4 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 SN54AHCT125 SN74AHCT125 UNIT PARAMETER TEST CONDITIONS VCC MIN TYP MAX MIN MAX MIN MAX UNIT VOH IOH = –50 mA 45 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 45 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 IOZ VO = VCC or GND 5.5 V ±0.25 ±2.5 ±2.5 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 4 10 10 pF Co VO = VCC or GND 5 V 15 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 SN54AHCT125 SN74AHCT125 UNIT PARAMETER (INPUT) (OUTPUT) CAPACITANCE MIN TYP MAX MIN MAX MIN MAX UNIT tPLH A Y CL =15 pF 3.8** 5.5** 1** 6.5** 1 6.5 ns tPHL A Y CL = 15 pF 3.8** 5.5** 1** 6.5** 1 6.5 ns tPZH OE Y CL =15 pF 3.6** 5.1** 1** 6** 1 6 ns tPZL OE Y CL = 15 pF 3.6** 5.1** 1** 6** 1 6 ns tPHZ OE Y CL =15 pF 4.6** 6.8** 1** 8** 1 8 ns tPLZ OE Y CL = 15 pF 4.6** 6.8** 1** 8** 1 8 ns tPLH A Y CL =50 pF 5.3 7.5 1 8.5 1 8.5 ns tPHL A Y CL = 50 pF 5.3 7.5 1 8.5 1 8.5 ns tPZH OE Y CL =50 pF 5.1 7.1 1 8 1 8 ns tPZL OE Y CL = 50 pF 5.1 7.1 1 8 1 8 ns tPHZ OE Y CL =50 pF 6.1 8.8 1 10 1 10 ns tPLZ OE Y CL = 50 pF 6.1 8.8 1 10 1 10 ns tsk(o) CL = 50 pF 1*** 1 ns ** On products compliant to MIL-PRF-38535, this parameter is not production tested. *** On products compliant to MIL-PRF-38535, this parameter does not apply. noise characteristics, VCC = 5 V, CL = 50 pF, TA = 25°C (see Note 5) PARAMETER SN74AHCT125 UNIT PARAMETER MIN MAX UNIT VOL(P) Quiet output, maximum dynamic VOL 0.8 V VOL(V) Quiet output, minimum dynamic VOL –0.8 V VOH(V) Quiet output, minimum dynamic VOH 4.4 V VIH(D) High-level dynamic input voltage 2 V VIL(D) Low-level dynamic input voltage 0.8 V NOTE 5: Characteristics are for surface-mount packages only. |
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