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74ACT16648DLR Scheda tecnica(PDF) 7 Page - Texas Instruments |
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74ACT16648DLR Scheda tecnica(HTML) 7 Page - Texas Instruments |
7 / 10 page 54ACT16648, 74ACT16648 16BIT TRANSCEIVERS AND REGISTERS WITH 3STATE OUTPUTS SCAS188A − MAY 1991 − REVISED APRIL 1996 7 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS VCC TA = 25°C 54ACT16648 74ACT16648 UNIT PARAMETER TEST CONDITIONS VCC MIN TYP MAX MIN MAX MIN MAX UNIT IOH = −50 A 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 VOH IOH = −24 mA 5.5 V 4.94 4.8 4.8 V IOH = −75 mA† 5.5 V 3.85 3.85 IOL = 50 A 4.5 V 0.1 0.1 0.1 IOL = 50 µA 5.5 V 0.1 0.1 0.1 VOL IOL = 24 mA 4.5 V 0.36 0.44 0.44 V VOL IOL = 24 mA 5.5 V 0.36 0.44 0.44 V 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 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 2) TA = 25°C 54ACT16648 74ACT16648 UNIT MIN MAX MIN MAX MIN MAX UNIT fclock Clock frequency 0 75 0 75 0 75 MHz tw Pulse duration, CLKAB or CLKBA high or low 6.5 6.5 6.5 ns tsu Setup time, A before CLKAB ↑ or B before CLKBA↑ 4.5 4.5 4.5 ns th Hold time, A after CLKAB ↑ or B after CLKBA↑ 1 1 1 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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