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74ACT16952DLRG4 数据表(PDF) 6 Page - Texas Instruments |
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74ACT16952DLRG4 数据表(HTML) 6 Page - Texas Instruments |
6 / 12 page 54ACT16952, 74ACT16952 16-BIT REGISTERED TRANSCEIVERS WITH 3-STATE OUTPUTS SCAS159C – JANUARY 1991 – 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 54ACT16952 74ACT16952 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 VOH IOH = –24 mA 5.5 V 4.94 4.8 4.8 V IOH = –50 mA† 5.5 V 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 =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 = 50 mA† 5.5 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 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) TA = 25°C 54ACT16952 74ACT16952 UNIT MIN MAX MIN MAX MIN MAX UNIT fclock Clock frequency 0 75 0 75 0 75 MHz tw Pulse duration, CLK high or low 6.7 6.7 6.7 ns t Set p time before CLK ↑ Data 5 5 5 ns tsu Setup time before CLK ↑ CEAB or CEBA 6.5 6.5 6.5 ns th Hold time after CLK ↑ Data 1 1 1 ns th Hold time after CLK ↑ CEAB or CEBA 0 0 0 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. |
类似零件编号 - 74ACT16952DLRG4 |
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类似说明 - 74ACT16952DLRG4 |
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