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54ACT16861 Datasheet(PDF) 4 Page - Texas Instruments |
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54ACT16861 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 7 page 54ACT16861, 74ACT16861 20-BIT BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SCAS197B – JUNE 1990 – REVISED NOVEMBER 1996 4 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 54ACT16861 74ACT16861 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 17 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. 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 54ACT16861 74ACT16861 UNIT PARAMETER (INPUT) (OUTPUT) MIN TYP MAX MIN MAX MIN MAX UNIT tPLH AorB BorA 3.1 6.5 9.2 3.1 10.4 3.1 10.4 ns tPHL A or B B or A 2.9 7.5 10 2.9 11.1 2.9 11.1 ns tPZH OEBA or OEAB AorB 2.4 6.6 9 2.4 10 2.4 10 ns tPZL OEBA or OEAB A or B 3.7 8.5 11.5 3.7 12.7 3.7 12.7 ns tPHZ OEBA or OEAB AorB 4.9 7.4 9.8 4.9 10.7 4.9 10.7 ns tPLZ OEBA or OEAB A or B 4.5 6.9 9.3 4.5 10 4.5 10 ns operating characteristics, VCC = 5 V, TA = 25°C PARAMETER TEST CONDITIONS TYP UNIT C d Power dissipation capacitance per transceiver Outputs enabled CL =50 pF f=1MHz 64 pF Cpd Power dissipation capacitance per transceiver Outputs disabled CL = 50 pF, f = 1 MHz 14 pF 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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