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TS3USB30_08 Datasheet, PDF (5/18 Pages) Texas Instruments – HIGH-SPEED USB 2.0 (480-Mbps) 1:2 MULTIPLEXER/DEMULTIPLEXER SWITCH WITH SINGLE ENABLE
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TS3USB30
www.ti.com......................................................................................................................................................... SCDS237D – AUGUST 2007 – REVISED MAY 2008
SWITCHING CHARACTERISTICS
over operating range, TA = –40°C to 85°C, VCC = 3.3 V ± 10%, GND = 0 V
PARAMETER
TEST CONDITIONS
tpd
Propagation delay(2)(3)
RL = 50 Ω, CL = 5 pF,
See Figure 12
tON
Line enable time, SEL to D, nD
RL = 50 Ω, CL = 5 pF,
See Figure 8
tOFF
Line disable time, SEL to D, nD
RL = 50 Ω, CL = 5 pF,
See Figure 8
tON
Line enable time, OE to D, nD
RL = 50 Ω, CL = 5 pF,
See Figure 8
tOFF
Line disable time, OE to D, nD
RL = 50 Ω, CL = 5 pF,
See Figure 8
tSK(O)
Output skew between center port to any other port(2)
RL = 50 Ω, CL = 5 pF,
See Figure 13
tSK(P)
tJ
Skew between opposite transitions of the same output
(tPHL – tPLH)(2)
Total jitter(2)
RL = 50 Ω, CL = 5 pF,
See Figure 13
RL = 50 Ω, CL = 5 pF,
tR = tF = 500 ps at 480 Mbps
(PRBS = 215 – 1)
MIN TYP(1)
0.25
MAX UNIT
ns
30 ns
25 ns
30 ns
25 ns
50 ps
20 ps
20 ps
(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.
Copyright © 2007–2008, Texas Instruments Incorporated
Product Folder Link(s): TS3USB30
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