Datenblatt-Suchmaschine für elektronische Bauteile |
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SN74BCT544NT Datenblatt(PDF) 4 Page - Texas Instruments |
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SN74BCT544NT Datenblatt(HTML) 4 Page - Texas Instruments |
4 / 13 page SN54BCT544, SN74BCT544 OCTAL REGISTERED TRANSCEIVERS WITH 3-STATE OUTPUTS SCBS039B – NOVEMBER 1988 – REVISED NOVEMBER 1993 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS SN54BCT544 SN74BCT544 UNIT PARAMETER TEST CONDITIONS MIN TYP† MAX MIN TYP† MAX UNIT VIK VCC = 4.5 V, II = –18 mA –1.2 –1.2 V IOH = – 3 mA 2.4 3.3 2.4 3.3 VOH VCC = 4.5 V IOH = –12 mA 2 3.2 V VOH IOH = –15 mA 2 3.1 V VCC = 4.75 V, IOH = – 3 mA 2.7 VOL VCC =4 5V IOL = 48 mA 0.38 0.55 V VOL VCC = 4.5 V IOL = 64 mA 0.42 0.55 V II VCC = 5.5 V, VI = 5.5 V 0.4 0.4 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 IOS§ VCC = 5.5 V, VO = 0 –100 – 225 –100 – 225 mA ICCH VCC = 5.5 V 7 11 7 11 mA ICCL VCC = 5.5 V 43 68 43 68 mA ICCZ VCC = 5.5 V 9 15 9 15 mA Ci VCC = 5 V, VI = 2.5 V or 0.5 V 6 6 pF Cio VCC = 5 V, VO = 2.5 V or 0.5 V 16 16 pF † All typical values are at VCC = 5 V, TA = 25°C. ‡ For I/O ports, the parameters IIH and IIL include the off-state output current. § Not more than one output should be tested at a time, and the duration of the test should not exceed one second. timing requirements over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) VCC = 5 V, TA = 25°C SN54BCT544 SN74BCT544 UNIT MIN MAX MIN MAX MIN MAX tw Pulse duration, LEAB or LEBA low 7 8 7 ns tsu Setup time, data before LEAB or LEBA ↑ High or low 5 5.5 5 ns th Hold time, data after LEAB or LEBA ↑ High or low 1 1 1 ns |
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