전자부품 데이터시트 검색엔진 |
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74ACT16544DL 데이터시트(PDF) 6 Page - Texas Instruments |
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74ACT16544DL 데이터시트(HTML) 6 Page - Texas Instruments |
6 / 9 page 54ACT16544, 74ACT16544 16-BIT REGISTERED TRANSCEIVERS WITH 3-STATE OUTPUTS SCAS161A – AUGUST 1990 – REVISED APRIL 1996 6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS VCC TA = 25°C 54ACT16544 74ACT16544 UNIT PARAMETER TEST CONDITIONS VCC MIN TYP MAX MIN MAX MIN MAX UNIT IOH =50 µA 4.5 V 4.4 4.4 4.4 IOH = –50 µA 5.5 V 5.4 5.4 5.4 VOH IOH =24 mA 4.5 V 3.94 3.8 3.8 V IOH = –24 mA 5.5 V 4.94 4.8 4.8 IOH = –75 mA† 5.5 V 3.85 3.85 IOL =50 µA 4.5 V 0.1 0.1 0.1 IOL = 50 µA 5.5 V 0.1 0.1 0.1 VOL IOL =24mA 4.5 V 0.36 0.44 0.44 V IOL = 24 mA 5.5 V 0.36 0.44 0.44 IOL = 75 mA† 5.5 V 1.65 1.65 II Control inputs VI = VCC or GND 5.5 V ±0.1 ±1 ±1 µA IOZ‡ A or B ports VO = VCC or GND 5.5 V ±0.5 ±5 ±5 µA ICC VI = VCC or GND, IO = 0 5.5 V 8 80 80 µA ∆ICC§ One input at 3.4 V, Other inputs at VCC or GND 5.5 V 0.9 1 1 mA Ci Control inputs VI = VCC or GND 5 V 4.5 pF Cio A or B ports VO = VCC or GND 5 V 12 pF † Not more than one output should be tested at a time, and the duration of the test should not exceed 10 ms. ‡ For I/O ports, the parameter IOZ includes the input leakage current. § This is the increase in supply current for each input that is at one of the specified TTL voltage levels rather than 0 V or VCC. timing requirements over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1) TA = 25°C 54ACT16544 74ACT16544 UNIT MIN MAX MIN MAX MIN MAX UNIT tw Pulse duration LEAB or LEBA low 5.5 5.5 5.5 ns t Setup time Data before LEAB or LEBA ↑ 1.5 1.5 1.5 ns tsu Setup time Data before CEAB or CEBA ↑ 1.5 1.5 1.5 ns th Hold time Data after LEAB or LEBA ↑ 3 3 3 ns th Hold time Data after CEAB or CEBA ↑ 3 3 3 ns PRODUCT PREVIEW information concerns products in the formative or design phase of development. Characteristic data and other specifications are design goals. Texas Instruments reserves the right to change or discontinue these products without notice. |
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