The TLA7000 Logic Analyzer is a discontinued product.
Either the 5 Series MSO or 6 Series MSO with TLP058 Logic Probes are recommended replacements. These oscilloscopes feature up to 8 FlexChannel inputs, which can be split into 8 digital channels each, allowing up to 64 digital channels to be analyzed at once with the full capabilities of an oscilloscope.
Technical documents and product support for current TLA7000 Series owners can be found at the links below.
See these oscilloscope models.