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SN74ABT543ADB bảng dữ liệu(PDF) 4 Page - Texas Instruments |
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SN74ABT543ADB bảng dữ liệu(HTML) 4 Page - Texas Instruments |
4 / 7 page SN74ABT543A OCTAL REGISTERED TRANSCEIVER WITH 3-STATE OUTPUTS SCBS464A – JUNE 1992 – REVISED JUNE 1994 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS TA = 25°C MIN MAX UNIT PARAMETER TEST CONDITIONS MIN TYP† MAX MIN MAX UNIT VIK VCC = 4.5 V, II = – 18 mA –1.2 –1.2 V VCC = 4.5 V, IOH = – 3 mA 2.5 2.5 VOH VCC = 5 V, IOH = – 3 mA 3 3 V VOH VCC =4 5V IOH = –24 mA 2 V VCC = 4.5 V IOH = – 32 mA 2 VOL VCC =4 5V IOL = 48 mA 0.55 V VOL VCC = 4.5 V IOL = 64 mA 0.55 V II VCC =5 5V VI =VCC or GND Control inputs ±1 ±1 µA II VCC = 5.5 V, VI = VCC or GND A or B ports ±100 ±100 µA IOZH‡ VCC = 5.5 V, VO = 2.7 V 50 50 µA IOZL‡ VCC = 5.5 V, VO = 0.5 V –50 –50 µA IOFF VCC = 0, VI or VO ≤ 4.5 V ±100 ±100 µA ICEX VCC = 5.5 V, VO = 5.5 V Outputs high 50 50 µA IO§ VCC = 5.5 V, VO = 2.5 V –50 –100 –180 –50 –180 mA VCC = 5.5 V, Outputs high 1 250 250 µA ICC VCC 5.5 V, IO = 0, A or B ports Outputs low 24 34 34 mA VI = VCC or GND Outputs disabled 0.5 250 250 µA ∆ICC¶ VCC = 5.5 V, One input at 3.4 V, Other inputs at VCC or GND 1.5 1.5 mA Ci VI = 2.5 V or 0.5 V Control inputs 4 pF Cio VO = 2.5 V or 0.5 V A or B ports 7 pF † All typical values are at VCC = 5 V. ‡ The parameters IOZH and IOZL include the input leakage current. § Not more than one output should be tested at a time, and the duration of the test should not exceed one second. ¶ This is the increase in supply current for each input that is at the specified TTL voltage level rather than VCC or GND. timing requirements over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) VCC = 5 V, TA = 25°C MIN MAX UNIT MIN MAX tw Pulse duration, LEAB or LEBA low 3.5 3.5 ns Data before LEAB or LEBA ↑ High 2.5 2.5 t Setup time Data before LEAB or LEBA ↑ Low 3 3 ns tsu Setup time Data before CEAB or CEBA ↑ High 2.5 2.5 ns Data before CEAB or CEBA ↑ Low 2.5 2.5 th Hold time Data after LEAB or LEBA ↑ 1 1 ns th Hold time Data after CEAB or CEBA ↑ 1 1 ns |
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