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TL16C451FN bảng dữ liệu(PDF) 7 Page - Texas Instruments |
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TL16C451FN bảng dữ liệu(HTML) 7 Page - Texas Instruments |
7 / 23 page TL16C451, TL16C452 ASYNCHRONOUS COMMUNICATIONS ELEMENTS SLLS053C – MAY 1989 – REVISED AUGUST 1999 7 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 absolute maximum ratings over operating free-air temperature range (unless otherwise noted)† Supply voltage range, VCC (see Note 1 ) – 0.5 V to 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input voltage range at any input, VI – 0.5 V to 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Output voltage range, VO – 0.5 V to 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous total power dissipation 1100 mW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating free-air temperature range, TA 0 °C to 70°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage temperature range, Tstg –65 °C to 150°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Case temperature for 10 seconds, TC 260 °C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . † Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. NOTE 1: All voltage values are with respect to GND. recommended operating conditions MIN NOM MAX UNIT Supply voltage, VCC 4.75 5 5.25 V High-level Input voltage, VIH 2 VCC V Low-level Input voltage, VIL – 0.5 0.8 V Operating free-air temperature, TA 0 70 °C electrical characteristics over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT IOH = – 0.4 mA on DB0 – DB7 VOH High level output voltage IOH = – 2 mA to 4 mA on PD0 – PD7 24 V VOH High-level output voltage IOH = – 0.2 mA on INIT, AFD, STB, and SLIN 2.4 V IOH = – 0.2 mA on all other outputs IOL = 4 mA on DB0 – DB7 IOL = 12 mA on PD0 – PD7 VOL Low-level output voltage IOL = 10 mA on INIT, AFD, STB, and SLIN (see Note 2) 0.4 V IOL = 2 mA on all other outputs IIk Input leakage current VCC = 5.25 V, VSS = 0, ±10 µA IIkg Input leakage current CC , SS , VI = 0 to 5.25 V, All other terminals floating ±10 µA Ioz High-impedance output current VCC = 5.25 V, VSS = 0, VO = 0 to 5.25 V, Chip selected and in write mode, or chip deselected ±20 µA VCC = 5.25 V, VSS = 0, SS S CS ICC Supply current SIN, DSR, RLSD, CTS, and RI at 2 V, All other inputs at 0 8 V XTAL1 at 4 MHz 10 mA All other in uts at 0.8 V, XTAL1 at 4 MHz, No load on outputs, Baud rate = 50 kbit/s † All typical values are at VCC = 5 V, TA = 25°C. NOTE 2: INIT, AFD, STB, and SLIN are open-collector output terminals that each have an internal pullup to VCC. This generates a maximum of 2 mA of internal IOL per terminal. In addition to this internal current, each terminal sinks at least 10 mA while maintaining the VOL specification of 0.4 V maximum. system timing requirements over recommended ranges of supply voltage and operating free-air temperature PARAMETER FIGURE MIN MAX UNIT tcR Cycle time, read (tw7 + td8 + td9) 175 ns |
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