SNJ54LS688W

SNJ54LS688W

  • Description:IC COMPARATOR IDENTITY 8B 20CFP
  • Series:54LS
  • Mfr:Texas Instruments
  • Package:Tube

SKU:19ac113e9a13 Category: Brand:

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Product Detailed Parameters

  • Description:IC COMPARATOR IDENTITY 8B 20CFP
  • Series:54LS
  • Mfr:Texas Instruments
  • Package:Tube
  • Type:Identity Comparator
  • Number of Bits:8
  • Output:Active Low
  • Output Function:A=B
  • Voltage - Supply:4.5V ~ 5.5V
  • Current - Output High, Low:400µA, 12mA
  • Max Propagation Delay @ V, Max CL:23ns @ 5V, 45pF
  • Current - Quiescent (Iq):65 mA
  • Operating Temperature:-55°C ~ 125°C
  • Package / Case:20-CFlatPack
  • Supplier Device Package:20-CFP
  • Mounting Type:Surface Mount
  • Grade:-
  • Qualification:-

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SNJ54LS688W

Buying Guide
Summary

Texas Instruments SNJ54LS688W is used in Comparators category where integration and verification need to stay predictable. Key specs include Description (IC COMPARATOR IDENTITY 8B 20CFP), Series (54LS), Type (Identity Comparator), Packaging (Tube), and Supply (4.5V ~ 5.5V).

Selection Notes
  • For SNJ54LS688W, confirm the output type (Active Low) and any level/threshold requirements for your system.
  • Verify the operating temperature range (-55°C ~ 125°C) and derate as needed in your application.
  • Double-check Max Propagation Delay @ V, Max CL (23ns @ 5V, 45pF) against your specification and operating conditions.
Alternates & Substitutions
  • For Comparators, validate alternates under worst-case corners rather than assuming typical-only conditions represent production builds.
  • When evaluating alternates, treat package/case 20-CFlatPack, supplier package 20-CFP, mounting Surface Mount as non-negotiable unless you are re-spinning the PCB.
  • Validate the min/max operating conditions (supply 4.5V ~ 5.5V, temperature -55°C ~ 125°C) and keep headroom for worst-case corners.
  • When in doubt, treat the swap as an ECO: define acceptance criteria, then validate under worst-case operating corners.
FAQ

How do I confirm compatibility for SNJ54LS688W?
Match mechanical footprint first, then verify electrical limits and operating conditions against your system constraints.

Can you confirm the packaging for SNJ54LS688W?
Tube

What Number of Bits does SNJ54LS688W have?
8

What current consumption is specified for SNJ54LS688W?
400µA, 12mA

Application Scenarios

In practice, for Texas Instruments SNJ54LS688W used in Comparators designs, the shortlist is often driven by predictable margins and a straightforward validation plan. They often include analog front-end functions such as filtering, buffering, multiplexing, or isolation that reduce external component count. Engineers often pay close attention to grounding, references, interface timing, and loading so end-to-end performance is preserved on the PCB. Comparator selection centers on propagation delay, overdrive dispersion, input common-mode range, and output stage compatibility (LVTTL, open-drain, etc.). A brief worst-case sweep can show whether performance is margin-driven or tuning-driven. In real deployments, across medical devices, low noise and predictable drift support reliable sensing over long service intervals. In practice, the result is usually fewer intermittent issues and a faster path to stable yield in production ramp.

Compatibility Advice
  • To keep validation repeatable, check insertion loss, group delay, and impedance behavior across temperature so link budgets stay stable before committing to volume builds.
Project Fit
  • Best fit for Comparators when you can validate the key assumptions on the assembled system and keep acceptance criteria measurable.
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