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SN74BCT652 데이터시트(PDF) 5 Page - Texas Instruments |
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SN74BCT652 데이터시트(HTML) 5 Page - Texas Instruments |
5 / 7 page SN54BCT652, SN74BCT652 OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS SCBS038A – AUGUST 1989 – REVISED NOVEMBER 1993 2–5 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions SN54BCT652 SN74BCT652 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 –12 –15 mA IOL Low-level output current 48 64 mA TA Operating free-air temperature –55 125 0 70 °C electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS SN54BCT652 SN74BCT652 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 IOH = –15 mA 2 3.1 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 A or B port VCC =5 5V VI =5 5V 1 1 mA II Control inputs VCC = 5.5 V, VI = 5.5 V 1 1 mA IIH‡ A or B port VCC =5 5V VI =2 7V 70 70 µA IIH‡ Control inputs VCC = 5.5 V, VI = 2.7 V 20 20 µA I ‡ A or B port VCC =5 5V VI =0 5V – 0.7 – 0.7 mA IIL‡ Control inputs VCC = 5.5 V, VI = 0.5 V – 0.7 – 0.7 mA IOS§ VCC = 5.5 V, VO = 0 – 100 – 225 – 100 – 225 mA ICCL A or B port VCC = 5.5 V, VI = 0 43 69 43 69 mA ICCH A or B port VCC = 5.5 V, VI = 4.5 V 6 10 6 10 mA ICCZ A or B port VCC = 5.5 V, VI = 0 10 17 10 17 mA Ci Control inputs VCC = 5 V, VI = 2.5 V or 0.5 V 6 6 pF Cio A or B port VCC = 5 V, VO = 2.5 V or 0.5 V 14 14 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 SN54BCT652 SN7BCTT652 UNIT MIN MAX MIN MAX MIN MAX fclock Clock frequency 0 77 0 77 0 77 MHz tw Pulse duration, CLK high or low 6.5 7 6.5 ns tsu Setup time, A or B before CLKAB ↑ or CLKBA↑ 5 6 5 ns th Hold time, A or B after CLKAB ↑ or CLKBA↑ 1 1 1 ns |
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