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TLA7N4 Tektronix Logic Analyzer


The TLA7N4 is a 136 channel Logic Analyzer from Tektronix. A logic analyzer is a type of electronic test equipment that engineers use to capture and display signals from a digital circuit or system. Logic analyzers are useful for measuring data, such as state machine traces, timing diagrams, and protocol decodes. When an engineer needs to view the timing relationship between multiple signals, he or she will use a logic analyzer for signal monitoring over time.

Additional Features:

  • 136-channel Logic Analyzer module, 2 GHz timing, 100 MHz state, 64 Kb
  •  8 Mb Depth
  • MagniVu™ Acquisition Technology Provides 2 GHz (500 ps) Timing Resolution to Find Difficult Problems Quickly
  • Up to 200 MHz State Acquisition Analysis of Synchronous Digital Circuits
  • Simultaneous State and High-speed Timing Analysis through the Same Probe Pinpoints Elusive Faults without Double Probing
  • 500 MHz Deep Timing Analysis with up to 8 Mb Per Channel
  • Glitch and Setup/Hold Triggering and Display Finds and Displays Elusive Hardware Problems
  • Transitional Storage Extends the Signal Analysis Capture Time
  • Broad Processor and Bus Support
  • Full Range of General-purpose and High-density, Nonintrusive Probes


  • Number of Channels (all channels are acquired including clocks): 136 channels (4 are clock and 4 are qualifier channels)
  • Channel Grouping: No limit to number of groups or number of channels per group (all channels can be reused in multiple groups)
  • Module "Merging": Three modules can be "merged" to make up to a 408-channel module. Merged modules exhibit the same depth as the lesser of the three individual modules
  • Word/range/setup-and-hold/glitch/transition recognizers span all three modules
  • Only one set of clock connections is required
  • Time Stamp: 50 bit at 500 ps resolution (6.5 day range)
  • Clocking/Acquisition Modes: Internal, internal 2x, external
  • 2 GHz MagniVu high-speed timing is available simultaneous with all modes
  • Number of Mainframe Slots Required per TLA Series Module: 2
  • Independent Trigger States: 16
  • Maximum Independent If/then Clauses per State: 16
  • Maximum Number of Events per If/then Clause: 8
  • Maximum Number of Actions per If/then Clause: 8
  • Maximum Number of Trigger Events: 18 (2 counters/timers plus any 16 other resources)
  • Number of Word Recognizers: 16
  • Number of Range Recognizers: 4
  • Number of Transition Recognizers: 1
  • Number of Counters/Timers: 2
  • Trigger Event Types: Word, group, channel, transition, range, anything, counter value, timer value, signal, glitch, setup-and-hold violation
  • Trigger Action Types: Trigger module, trigger all, store, don’t store, start store, stop store, increment counter, reset counter, start timer, stop timer, reset timer, goto state, set/clear signal, do nothing
  • Trigger Sequence Rate: DC to 250 MHz (4 ns)
  • Counter/Timer Range: 51 bits each (>100 days at 4 ns)
  • Counter Rate: DC to 250 MHz (4 ns)
  • Timer Clock Rate: 250 MHz (4 ns)
  • Counter/Timer Latency: None (can be tested or reset immediately after starting)
  • Range Recognizers: Double bounded (can be as wide as any group, must be grouped according to specified order of significance)
  • Setup-and-Hold Violation Recognizer Setup Time Range: From 8 ns before to 7 ns after clock edge in 0.5 ns increments
  • Setup-and-Hold Violation Recognizer Hold Time Range: From 7 ns before to 8 ns after clock edge in 0.5 ns increments
  • Trigger Position: Any data sample
  • MagniVu Trigger Position: MagniVu data is centered around the module trigger
  • Storage Control (data qualification): Global (conditional), by state (start/stop), by trigger action, or transitional
  • Storage Window Granularity: Single sample or block-of-31 samples before and after
  • Safety; CSA C22.2 No. 1010.1, EN61010-1, IEC61010-1, UL 3111-1

Today’s digital design engineers face daily pressures to speed new products to the marketplace. The TLA7N4 logic analyzer module answers the need with breakthrough solutions for the entire design team, providing the ability to quickly monitor, capture and analyze real-time digital system operation in order to debug, verify, optimize, and validate digital systems.

Hardware developers, hardware/software integrators, and embedded software developers will appreciate the range of capabilities of the TLA7N4 logic analyzer module. Its broad feature set includes capturing and correlating elusive hardware and software faults; providing simultaneous state and high-speed timing analysis through the same probe; using deep state acquisition to find the cause of complex problems; real-time, nonintrusive software execution tracing that correlates to source code and to hardware events; and nonintrusive probing.

The TLA7N4 logic analyzer module offers Tektronix’ breakthrough MagniVu™ technology for providing high-speed sampling (up to 2 GHz) that dramatically changes the way logic analyzers work and enables them to provide startling new measurement capabilities.

The TLA7N4 module offers high-speed state synchronous capture and high-speed timing capture through the same set of probes. It capitalizes on MagniVu technology to offer 500 ps timing on all channels, glitch and setup/hold triggering and display, and time stamp that is always on at up to 500 ps resolution.

The TLA7000 Series logic analyzer modules are ideal for timing analysis, multiprocessor/bus applications, and embedded software analysis.

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