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TL16C2550 Scheda tecnica(PDF) 11 Page - Texas Instruments |
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TL16C2550 Scheda tecnica(HTML) 11 Page - Texas Instruments |
11 / 47 page www.ti.com ELECTRICAL CHARACTERISTICS TL16C2550 SLWS161D – JUNE 2005 – REVISED OCTOBER 2006 ELECTRICAL CHARACTERISTICS (continued) over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) 2.5 V Nominal PARAMETER TEST CONDITIONS MIN TYP(1) MAX UNIT Ci(CLK) Clock input impedance 15 20 pF VCC = 0, VSS = 0, f = 1 MHz, CO(CLK) Clock output impedance 20 30 pF TA = 25°C, All other terminals CI Input impedance 6 10 pF grounded CO Output impedance 10 20 pF over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) 3.3 V Nominal PARAMETER TEST CONDITIONS MIN TYP(1) MAX UNIT VOH High-level output voltage(2) IOH = -1.8 mA 2.4 V VOL Low-level output voltage(2) IOL = 3.2 mA 0.5 V II Input current VCC = 3.6 V, VSS = 0, VI = 0 to 10 µA 3.6 V, All other terminals floating IOZ High-impedance-state output current VCC = 3.6 V, VSS = 0, VI = 0 to ±20 µA 3.6 V, Chip slected in write mode or chip deselcted ICC Supply current VCC = 3.6 V, TA = 0°C, RXA, RXB, 4 mA DSRA, DSRB, CDA, CDB, CTSA, CTSB, RIA, and RIB at 2 V, All other inputs at 0.8 V, XTAL1 at 20 MHz, No load on outputs Ci(CLK) Clock input impedance 15 20 pF VCC = 0, VSS = 0, f = 1 MHz, CO(CLK) Clock output impedance 20 30 pF TA = 25°C, All other terminals CI Input impedance 6 10 pF grounded CO Output impedance 10 20 pF (1) All typical values are at VCC = 3.3 V and TA = 25°C. (2) These parameters apply for all outputs except XTAL2. 11 Submit Documentation Feedback |
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