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SN54ACT16245 데이터시트(PDF) 4 Page - Texas Instruments |
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SN54ACT16245 데이터시트(HTML) 4 Page - Texas Instruments |
4 / 6 page SN54ACT16245, 74ACT16245 16-BIT BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SCAS097B – DECEMBER 1989 – REVISED APRIL 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 SN54ACT16245 74ACT16245 UNIT PARAMETER TEST CONDITIONS VCC MIN TYP MAX MIN MAX MIN MAX UNIT IOH =50 mA 4.5 V 4.4 4.4 4.4 IOH = –50 mA 5.5 V 5.4 5.4 5.4 VOH IOH =24 mA 4.5 V 3.94 3.94 3.8 V VOH IOH = –24 mA 5.5 V 4.94 4.94 4.8 V IOH = –50 mA{ 5.5 V 3.85 IOH = –75 mA{ 5.5 V 3.85 IOL =50 mA 4.5 V 0.1 0.1 0.1 IOL = 50 mA 5.5 V 0.1 0.1 0.1 VOL IOL =24mA 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 Control inputs VI = VCC or GND 5.5 V ±0.1 ±1 ±1 mA IOZ A or B ports} VO = VCC or GND 5.5 V ±0.5 ±10 ±5 mA ICC VI = VCC or GND, IO = 0 5.5 V 8 160 80 mA ∆ICCw One input at 3.4 V, Other inputs at GND or VCC 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 16 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 II. § 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 ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 1) PARAMETER FROM TO TA = 25°C SN54ACT16245 74ACT16245 UNIT PARAMETER (INPUT) (OUTPUT) MIN TYP MAX MIN MAX MIN MAX UNIT tPLH AorB BorA 3.2 6.9 9.3 3.2 11.5 3.2 10.5 ns tPHL A or B B or A 2.6 6.4 9.2 2.6 11.1 2.6 10.2 ns tPZH G BorA 2.7 6.4 9.1 2.7 10.9 2.7 10 ns tPZL G B or A 3.4 7.4 10.5 3.4 12.6 3.4 11.6 ns tPHZ G BorA 5.8 9.2 11.6 5.8 13.4 5.8 12.6 ns tPLZ G B or A 5.5 8.5 10.8 5.5 12.7 5.5 11.8 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 52 pF Cpd Power dissipation capacitance per transceiver Outputs disabled CL = 50 pF, f = 1 MHz 10 pF |
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