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SN74BCT25244NT Datasheet(PDF) 3 Page - Texas Instruments |
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SN74BCT25244NT Datasheet(HTML) 3 Page - Texas Instruments |
3 / 5 page SN54BCT25244, SN74BCT25244 25- Ω OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCBS064A – JUNE 1990 – REVISED NOVEMBER 1993 2–3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions (see Note 2) SN54BCT25244 SN74BCT25244 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 0.8 0.8 V IIK Input clamp current –18 –18 mA IOH High-level output current –53 –80 mA IOL Low-level output current 125 188 mA TA Operating free-air temperature –55 125 0 70 °C NOTE 2: Unused or floating inputs must be held high or low. electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS SN54BCT25244 SN74BCT25244 UNIT PARAMETER TEST CONDITIONS MIN TYP† MAX MIN TYP† MAX UNIT VIK VCC = 4.5 V, II = –18 mA –1.2 –1.2 V VCC = 4.75 V, IOH = – 3 mA 2.7 VOH VCC =4 5V IOH = – 53 mA 2 V VCC = 4.5 V IOH = – 80 mA 2 IOL = 94 mA 0.38 0.55 0.42 0.55 VOL VCC = 4.5 V IOL = 125 mA 0.8 V IOL = 188 mA 0.7 II VCC = 5.5 V, VI = 5.5 V 0.1 0.1 mA IIH VCC = 5.5 V, VI = 2.7 V 20 20 µA IIL VCC = 5.5 V, VI = 0.5 V – 0.6 – 0.6 mA IOZH VCC = 5.5 V, VO = 2.7 V 50 50 µA IOZL VCC = 5.5 V, VO = 0.5 V –50 –50 µA ICCL VCC = 5.5 V, Outputs open 90 119 90 119 mA ICCH VCC = 5.5 V, Outputs open 59 78 59 78 mA ICCZ VCC = 5.5 V, Outputs open 7 11 7 11 mA Ci VCC = 5 V, VI = 2.5 V or 0.5 V 5.5 5.5 pF Co VCC = 5 V, VO = 2.5 V or 0.5 V 17 17 pF † All typical values are at VCC = 5 V, TA = 25°C. switching characteristics over recommended ranges of supply voltage and operating free-air temperature, CL = 50 pF (unless otherwise noted) (see Note 3) PARAMETER FROM (INPUT) TO (OUTPUT) VCC = 5 V, TA = 25°C SN54BCT25244 SN74BCT25244 UNIT (INPUT) (OUTPUT) MIN TYP MAX MIN MAX MIN MAX tPLH A Y 1 3.2 4.9 1 5.6 1 5.5 ns tPHL A Y 2 4 5.6 2 6.3 2 6 ns tPZH OE Y 3.2 5.6 8.5 3.2 9.7 3.2 9.3 ns tPZL OE Y 3.7 6.3 9.2 3.7 10.4 3.7 10.2 ns tPHZ OE Y 1.6 3.6 5.5 1.6 6.5 1.6 6.3 ns tPLZ OE Y 3.1 5.3 7.8 3.1 9.5 3.1 8.4 ns NOTE 3: Load circuits and voltage waveforms are shown in Section 1. |
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