SNJ54LS688J

SNJ54LS688J

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

SKU:6aa6957ad9c7 Category: Brand:

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Product Detailed Parameters

  • Description:IC COMPARATOR IDENTITY 8B 20CDIP
  • 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-CDIP (0.300", 7.62mm)
  • Supplier Device Package:20-CDIP
  • Mounting Type:Through Hole
  • Grade:-
  • Qualification:-

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SNJ54LS688J

Buying Guide
Summary

Texas Instruments SNJ54LS688J is used in Comparators category where integration and verification need to stay predictable. Key specs include Description (IC COMPARATOR IDENTITY 8B 20CDIP), Series (54LS), Type (Identity Comparator), Packaging (Tube), and Supply (4.5V ~ 5.5V).

Selection Notes
  • For SNJ54LS688J, check the supply current (400µA, 12mA) in your power budget and thermal plan.
  • Match the output type (Active Low) when selecting alternates or second sources.
  • Validate the operating temperature range (-55°C ~ 125°C) for your environment and margin.
  • Make sure Current - Output High, Low (400µA, 12mA) aligns with your design targets and verification plan.
Alternates & Substitutions
  • For Comparators, treat alternates as an integration task and validate the assumptions that matter on the assembled system.
  • Keep the assembly and footprint constraints consistent (package/case 20-CDIP (0.300", 7.62mm), supplier package 20-CDIP, mounting Through Hole) to avoid a late PCB change.
  • For production substitutions, confirm traceability and documentation expectations so the alternate can be released cleanly.
  • Compare not just numbers but also the conditions: rails, loads, timing, and temperature points behind the spec table.
FAQ

What details help you quote SNJ54LS688J quickly?
Share the part number (SNJ54LS688J), quantity, target delivery date, and any packaging or documentation requirements.

Which supply voltage range is specified for SNJ54LS688J?
4.5V ~ 5.5V

What Max Propagation Delay @ V, Max CL is listed for SNJ54LS688J?
23ns @ 5V, 45pF

Is SNJ54LS688J surface-mount or through-hole?
Through Hole

Application Scenarios

In practice, texas Instruments SNJ54LS688J in the Comparators category is typically selected when engineers need predictable, spec-driven behavior in a production design. In real deployments, a strong signal-chain choice reduces calibration burden by keeping drift, gain, and phase behavior stable across temperature and aging. Selection usually comes down to measurable margins: accuracy, noise, bandwidth, and how easily the design can be verified in production test. In energy metering, accuracy is maintained across noisy mains and wide temperature swings. In sensor interfaces, comparators provide clean thresholding for proximity and speed signals in noisy cabinets where EMI and long cables can inject spurious edges. In timing and clock conditioning, comparators translate sine-like signals into logic edges where input common-mode range and noise margin determine jitter performance. Layout and hysteresis strategy often determine noise immunity and false-trigger rate in the real environment.

Compatibility Advice
  • For Texas Instruments SNJ54LS688J in Comparators, verify ratings, interface levels, thermal headroom, and a repeatable test plan in the real system. This keeps qualification evidence reproducible later.
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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