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TL16C2550-Q1 データシート(PDF) 9 Page - Texas Instruments |
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TL16C2550-Q1 データシート(HTML) 9 Page - Texas Instruments |
9 / 38 page TL16C2550-Q1 www.ti.com SLWS232 – DECEMBER 2011 RECOMMENDED OPERATING CONDITIONS (continued) over operating free-air temperature range (unless otherwise noted) MIN NOM MAX UNIT 3.3 V ±10% VCC Supply voltage 3 2.5 2.75 V VI Input voltage 0 VCC V VIH High-level input voltage 0.7VCC V 0.3V VIL Low-level input voltage V CC VO Output voltage 0 VCC V IOH High-level output current (all outputs) 1.8 mA IOL Low-level output current (all outputs) 3.2 mA Oscillator/clock speed 20 MHz 5 V ±10% VCC Supply voltage 4.5 5 5.5 V VI Input voltage 0 VCC V All except XTAL1, XTAL2 2 V VIH High-level input voltage XTAL1, XTAL2 0.7VCC All except XTAL1, XTAL2 0.8 V VIL Low-level input voltage 0.3V XTAL1, XTAL2 CC VO Output voltage 0 VCC V IOH High-level output current (all outputs) 4 mA IOL Low-level output current (all outputs) 4 mA Oscillator/clock speed 24 MHz ELECTRICAL CHARACTERISTICS over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP(1) MAX UNIT 1.8 V NOMINAL High-level output VOH IOH = –0.5 mA 1.3 V voltage(1) VOL Low-level output voltage(2) IOL = 1 mA 0.5 V II Input current(3) VCC = 1.98 V, VSS = 0, VI = 0 to 1.98 V, All other terminals floating 10 µA High-impedance-state VCC = 1.98 V, VSS = 0, VI = 0 to 1.98 V, Chip slected in write mode IOZ ±20 µA output current(3) or chip deselcted VCC = 1.98 V, TA = 0°C, RXA, RXB, DSRA, DSRB, CDA, CDB, ICC Supply current(3) CTSA, CTSB, RIA, and RIB at 1.4 V, All other inputs at 0.4 V, 1.5 mA XTAL1 at 10 MHz, No load on outputs Ci(CLK) Clock input impedance(3) 15 20 pF CO(CLK) Clock output impedance(3) 20 30 pF VCC = 0, VSS = 0, f = 1 MHz, TA = 25°C, All other terminals grounded CI Input impedance(3) 6 10 pF CO Output impedance(3) 10 20 pF (1) All typical values are at VCC = 1.8 V and TA = 25°C. (2) These parameters apply for all outputs except XTAL2. (3) Not production tested. Copyright © 2011, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Link(s) :TL16C2550-Q1 |
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