6/9/2004 - Providing notebook computer designers with high-performance switching solutions for high-frequency LAN applications, Texas Instruments (TI) (NYSE: TXN) announced the addition of two new Specialty Switches to its TS family of Signal Switches, the TS5L100 and the TS3L100. These new specialty switches are Quad Single-Pole Double-Throw (SPDT) LAN Switches that meet the necessary requirements to support both 10Base-T and 100Base-T Ethernet signaling.
Prior mobile computing designs entailed implementing an Ethernet Media Access Controller (MAC) and an Ethernet Physical Layer (PHY) device on the docking station increasing total system cost. Designers are able to reduce this redundant circuitry by using the TS5L100 or TS3L100 without sacrificing signal quality.
The TS5L100, operational from 6V to 6.5V, and the TS3L100, operational from 3.0V to 3.6V, offer low differential crosstalk (TS5L: XTALK = -60dB Typ. / TS3L: XTALK = -55dB Typ). A wide bandwidth of 350MHz minimum coupled with low power consumption (Icc = 3uA Max) and low ON-State Resistance (TS5L: Ron = 3 ohms Typ./TS3L: Ron = 5 ohms Typ.) make the devices appropriate for high frequency LAN applications. Both devices are also fully specified for partial-power-down applications using Ioff.
Pricing and Availability
The TS5L100 and the TS3L100 are offered in the space saving, low profile 16-pin QFN (RGY) package along with the SSOP (DBQ), and TSSOP (PW) packaging. Both the TS5L100 and the TS3L100 are currently available to sample in some package options. Budgetary pricing for both the TS5L100 is set at $1.69 in quantities of 1,000 and TS3L100 is set at $2.07 in quantities of 1,000.
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