Os motores de busca de Datasheet de Componentes eletrônicos |
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TS3USB31ERSER Folha de dados(PDF) 4 Page - Texas Instruments |
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TS3USB31ERSER Folha de dados(HTML) 4 Page - Texas Instruments |
4 / 16 page TS3USB31E SCDS256 – OCTOBER 2009 www.ti.com DYNAMIC ELECTRICAL CHARACTERISTICS over operating range, TA = –40°C to 85°C, VCC = 2.5 V ± 10%, GND = 0 V PARAMETER TEST CONDITIONS TYP (1) UNIT XTALK Crosstalk RL = 50 Ω, f = 240 MHz, See Figure 9 -53 dB OISO OFF isolation RL = 50 Ω, f = 240 MHz, See Figure 8 -30 dB BW Bandwidth (–3 dB) RL = 50 Ω, CL = 5 pF, See Figure 10 1100 MHz (1) For Max or Min conditions, use the appropriate value specified under Electrical Characteristics for the applicable device type. DYNAMIC ELECTRICAL CHARACTERISTICS over operating range, TA = –40°C to 85°C, VCC = 3.3 V ± 10%, GND = 0 V PARAMETER TEST CONDITIONS TYP (1) UNIT XTALK Crosstalk RL = 50 Ω, f = 240 MHz, See Figure 9 –53 dB OIRR OFF isolation RL = 50 Ω, f = 240 MHz, See Figure 8 –30 dB BW Bandwidth (–3 dB) RL = 50 Ω, CL = 5 pF, See Figure 10 1100 MHz (1) For Max or Min conditions, use the appropriate value specified under Electrical Characteristics for the applicable device type. SWITCHING CHARACTERISTICS over operating range, TA = –40°C to 85°C, VCC = 2.5 V ± 10%, GND = 0 V PARAMETER TEST CONDITIONS MIN TYP (1) MAX UNIT RL = 50 Ω, CL = 5 pF, tpd Propagation delay(2) (3) 0.25 ns See Figure 11 RL = 50 Ω, CL = 5 pF, tON Line enable time, OE to D, nD 30 ns See Figure 7 RL = 50 Ω, CL = 5 pF, tOFF Line disable time, OE to D, nD 25 ns See Figure 7 RL = 50 Ω, CL = 5 pF, tSK(O) Output skew between center port to any other port(2) 50 ps See Figure 12 Skew between opposite transitions of the same output RL = 50 Ω, CL = 5 pF, tSK(P) 20 ps (tPHL – tPLH) (2) See Figure 12 RL = 50 Ω, CL = 5 pF, tJ Total jitter(2) 200 ps tR = tF = 500 ps at 480 Mbps (1) For Max or Min conditions, use the appropriate value specified under Electrical Characteristics for the applicable device type. (2) Specified by design (3) The bus switch contributes no propagational delay other than the RC delay of the on resistance of the switch and the load capacitance. The time constant for the switch alone is of the order of 0.25 ns for 10-pF load. Since this time constant is much smaller than the rise/fall times of typical driving signals, it adds very little propagational delay to the system. Propagational delay of the bus switch, when used in a system, is determined by the driving circuit on the driving side of the switch and its interactions with the load on the driven side. 4 Submit Documentation Feedback Copyright © 2009, Texas Instruments Incorporated Product Folder Link(s): TS3USB31E |
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