PCB design query

Purushottam Kamat said:

1. Can we solder these chips directly to PCB?  OR
2. Do we get sockets which can be soldered first to PCB and the chip can be inserted later.

You can solder these devices directly to the PCB.

Purushottam Kamat said:

Where can we get more information for PCB design using TI products?

There is information at the following location regarding PCB Design Guidelines for QFP packages, which the MSP430FE423A is in.
Other information is available at the site including Mechanical Drawings of packages, package thermal information, etc.

Purushottam Kamat said:

Can we get some PCB schmatic layout tools from TI?

TI does not provide any schematic or layout tools.  There are numerous vendors which provide these packages.

Purushottam Kamat said:

Are there any recommended tools for PCB design?

Orcad, Mentor Graphics, Cadence, etc.  Any of those would be acceptable.