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SN74F543DB Datasheet(PDF) 4 Page - Texas Instruments |
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SN74F543DB Datasheet(HTML) 4 Page - Texas Instruments |
4 / 7 page SN74F543 OCTAL REGISTERED TRANSCEIVER WITH 3-STATE OUTPUTS SDFS025B – D2942, MARCH 1987 – REVISED OCTOBER 1993 2–4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT VIK VCC = 4.5 V, II = – 18 mA – 1.2 V A1 A8 IOH = – 1 mA 2.5 3.4 A1 – A8 VCC =4 5V IOH = – 3 mA 2.4 3.3 VOH B1 B8 VCC = 4.5 V IOH = – 3 mA 2.4 3.3 V B1 – B8 IOH = – 15 mA 2 3.1 Any output VCC = 4.75 V, IOH = – 1 mA to – 3 mA 2.7 VOL A1 – A8 VCC =4 5V IOL = 24 mA 0.3 0.5 V VOL B1 – B8 VCC = 4.5 V IOL = 64 mA 0.42 0.55 V II OE, LE, and CE VCC =5 5V VI = 7 V 0.1 mA II A and B ports VCC = 5.5 V VI = 5.5 V 1 mA I ‡ OE, LE, and CE VCC =5 5V VI =2 7V 20 µA IIH‡ A and B ports VCC = 5.5 V, VI = 2.7 V 70 µA I ‡ OE, LE, and CE VCC =5 5V VI =0 5V – 1.2 mA IIL‡ A and B ports VCC = 5.5 V, VI = 0.5 V – 0.65 mA I § A1 – A8 VCC =5 5V VO =0 –60 – 150 mA IOS§ B1 – B8 VCC = 5.5 V, VO = 0 – 100 – 225 mA ICCH VCC = 5.5 V 67 100 mA ICCL VCC = 5.5 V 83 125 mA ICCZ VCC = 5.5 V 83 125 mA † 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 shorted at a time, and the duration of the short circuit should not exceed one second. timing requirements VCC = 5 V, TA = 25°C VCC = 4.5 V to 5.5 V, TA = MIN to MAX¶ UNIT MIN MAX MIN MAX tw Pulse duration 5 5 ns tsu Setup time, data before latch enable High or low 3 3.5 ns th Hold time, data after latch enable High or low 3 3.5 ns ¶ For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions. |
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