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74ACT11821DWR 데이터시트(PDF) 4 Page - Texas Instruments |
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74ACT11821DWR 데이터시트(HTML) 4 Page - Texas Instruments |
4 / 7 page 54ACT11821, 74ACT11821 10BIT BUSINTERFACE FLIPFLOPS WITH 3STATE OUTPUTS SCAS156A − NOVEMBER 1990 − REVISED APRIL 1993 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 2−4 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS VCC TA = 25°C 54ACT11821 74ACT11821 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 3.7 3.8 V VOH IOH = − 24 mA 5.5 V 4.94 4.7 4.8 V IOH = − 50 mA† 5.5 V 3.85 IOH = − 75 mA† 5.5 V 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 0.5 0.44 V VOL IOL = 24 mA 5.5 V 0.36 0.5 0.44 V IOL = 50 mA† 5.5 V 1.65 IOL = 75 mA† 5.5 V 1.65 II VI = VCC or GND 5.5 V ±0.1 ±1 ±1 µA IOZ VO = VCC or GND 5.5 V ±0.5 ±10 ±5 µA ICC VI = VCC or GND, IO = 0 5.5 V 8 160 80 µA ∆ICC‡ One input at 3.4 V, Other inputs at VCC or GND 5.5 V 0.9 1 1 mA Ci VI = VCC or GND 5 V 4.5 pF Co 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. ‡ 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 54ACT11821 74ACT11821 UNIT MIN MAX MIN MAX MIN MAX UNIT fclock Clock frequency 0 125 0 125 0 125 MHz tw Pulse duration, CLK high or low 4 4 4 ns tsu Setup time, data before CLK ↑ 2.5 2.5 2.5 ns th Hold time, data after CLK ↑ 1.5 1.5 1.5 ns switching characteristics over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1) PARAMETER FROM TO TA = 25°C 54ACT11821 74ACT11821 UNIT PARAMETER FROM (INPUT) TO (OUTPUT) MIN TYP MAX MIN MAX MIN MAX UNIT fmax 125 125 125 MHz tPLH CLK Any Q 4.7 7.6 10.4 4.7 12.6 4.7 11.7 ns tPHL CLK Any Q 5 8.1 11 5 12.9 5 12.1 ns tPZH OE Any Q 3.1 6.1 9.1 3.1 10.8 3.1 10 ns tPZL OE Any Q 4.1 7.6 11 4.1 13.2 4.1 12.3 ns tPHZ OE Any Q 4.8 7.2 9.2 4.8 10.6 4.8 10.1 ns tPLZ OE Any Q 4.8 6.8 8.6 4.8 9.8 4.8 9.4 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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