전자부품 데이터시트 검색엔진 |
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54ACT16474 데이터시트(PDF) 5 Page - Texas Instruments |
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54ACT16474 데이터시트(HTML) 5 Page - Texas Instruments |
5 / 7 page 54ACT16474, 74ACT16474 18BIT REGISTERED BUS TRANSCEIVERS WITH 3STATE OUTPUTS SCAS238A − MAY 1992 − REVISED APRIL 1996 5 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 54ACT16474 74ACT16474 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 3 pF Cio A or B ports VO = VCC or GND 5 V 11.5 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 54ACT16474 74ACT16474 UNIT MIN MAX MIN MAX MIN MAX UNIT fclock Clock frequency 0 75 0 75 0 75 MHz tw Pulse duration CLK high 4 4 4 ns tw Pulse duration CLK low 6.6 6.6 6.6 ns tsu Setup time Data before CLK ↑ 5.5 5.5 5.5 ns th Hold time Data after CLK ↑ 1 1 1 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 54ACT16474 74ACT16474 UNIT PARAMETER FROM (INPUT) TO (OUTPUT) MIN TYP MAX MIN MAX MIN MAX UNIT fmax 75 75 75 MHz tPLH CLK A or B 4 8 10.2 4 11.5 4 11.5 ns tPHL CLK A or B 4.2 8 10.2 4.2 11.4 4.2 11.4 ns tPZH OE A or B 3 7.8 10.3 3 11.7 3 11.7 ns tPZL OE A or B 3.7 9.2 11.6 3.7 13.1 3.7 13.1 ns tPHZ OE A or B 4.8 7.1 8.8 4.8 9.5 4.8 9.5 ns tPLZ OE A or B 4.4 6.6 8.4 4.4 9 4.4 9 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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