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TL16C554APNG4 데이터시트(PDF) 8 Page - Texas Instruments |
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TL16C554APNG4 데이터시트(HTML) 8 Page - Texas Instruments |
8 / 46 page TL16C554A, TL16C554AI ASYNCHRONOUS-COMMUNICATIONS ELEMENT SLLS509E − AUGUST 2001 − REVISED JUNE 2010 8 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions, standard voltage (5 V-nominal) MIN NOM MAX UNIT Supply voltage, VCC 4.75 5 5.25 V Clock high-level input voltage at XTAL1, VIH(CLK) 2 VCC V Clock low-level input voltage at XTAL1, VIL(CLK) − 0.5 0.8 V High-level input voltage, VIH 2 VCC V Low-level input voltage, VIL − 0.5 0.8 V Clock frequency, fclock 16 MHz Operating free air temperature T TL16C554A 0 70 °C Operating free-air temperature, TA TL16C554AI −40 85 °C electrical characteristics over recommended ranges of operating free-air temperature and supply voltage, standard voltage (5-V nominal) (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT VOH‡ High-level output voltage IOH = − 1 mA 2.4 V VOL‡ Low-level output voltage IOL = 1.6 mA 0.4 V IIkg Input leakage current VCC = 5.25 V, GND = 0, VI = 0 to 5.25 V, All other terminals floating ±10 μA IOZ High-impedance output current VCC = 5.25 V, GND = 0, VO = 0 to 5.25 V, Chip selected in write mode or chip deselected ±20 μA ICC Supply current VCC = 5.25 V, TA = 25°C, RX, DSR, DCD, CTS, and RI at 2 V, All other inputs at 0.8 V, XTAL1 at 4 MHz, No load on outputs, Baud rate = 50 kilobits per second 50 mA Ci(XTAL1) Clock input capacitance 15 20 pF Co(XTAL2) Clock output capacitance VCC = 0, VSS = 0, all other terminals grounded, 20 30 pF Ci Input capacitance VCC = 0, VSS = 0, all other terminals grounded, f = 1 MHz, TA = 25°C 6 10 pF Co Output capacitance 10 20 pF † All typical values are at VCC = 5 V, TA = 25°C. ‡ These parameters apply for all outputs except XTAL2. |
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