SNJ54LS688FK

SNJ54LS688FK

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

SKU:1af7874bd541 Category: Brand:

ChipApex WhatsApp

Consult the customer manager about the wholesale price.

consultation hotline:86-132-6715-2157

email:chipapexlimited@gmail.com
Contact the product manager for consultation. One-stop consultation is available.


Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.

*
*
*
*
Submitting!
Submission successful!
Submission failed!
Email error!
Phone number error!

Product Detailed Parameters

  • Description:IC COMPARATOR IDENTITY 8B 20CLCC
  • 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-CLCC
  • Supplier Device Package:20-LCCC (8.89x8.89)
  • Mounting Type:Surface Mount
  • Grade:-
  • Qualification:-

Download product information

SNJ54LS688FK

Buying Guide
Summary

Texas Instruments SNJ54LS688FK is a component in Comparators category typically evaluated for fit, operating limits, and supportability in production. Key specs include Description (IC COMPARATOR IDENTITY 8B 20CLCC), Series (54LS), Type (Identity Comparator), Packaging (Tube), and Supply (4.5V ~ 5.5V).

Selection Notes
  • For SNJ54LS688FK, make sure your rails cover (4.5V ~ 5.5V) across temperature and load, with adequate margin.
  • 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.
Alternates & Substitutions
  • For Comparators substitutions, lock footprint/pinout and operating envelope first, then verify the critical performance conditions on your hardware.
  • Verify the alternate stays within supply 4.5V ~ 5.5V, temperature -55°C ~ 125°C across startup, load steps, and worst-case temperature.
  • Lock the mechanical constraints first (package/case 20-CLCC, supplier package 20-LCCC (8.89x8.89), mounting Surface Mount) before comparing performance specs.
  • If you are qualifying a second source, align documentation/traceability requirements early to avoid surprises in procurement.
FAQ

Who is the manufacturer of SNJ54LS688FK?
Texas Instruments

What should I verify before using SNJ54LS688FK in production?
Confirm footprint/pinout, min/max ratings, operating temperature, and the datasheet test conditions behind key specifications.

Which Output is listed for SNJ54LS688FK?
Active Low

What Output Function does SNJ54LS688FK have?
A=B

Application Scenarios

For many Comparators designs, Texas Instruments SNJ54LS688FK is vetted against electrical margins, thermal headroom, and mechanical integration before the BOM is frozen. A strong signal-chain choice reduces calibration burden by keeping drift, gain, and phase behavior stable across temperature and aging. In real deployments, selection usually comes down to measurable margins: accuracy, noise, bandwidth, and how easily the design can be verified in production test. In building automation, long cable runs and noisy grounds drive interface robustness and protection choices. Within power supplies and motor drives, comparators implement fast protection thresholds (OCP/OVP) where propagation delay and hysteresis control nuisance trips. In sensor interfaces, comparators provide clean thresholding for proximity and speed signals in noisy cabinets where EMI and long cables can inject spurious edges. When margins are explicit and measurable, stability tends to hold up better across real deployments.

Compatibility Advice
  • In practice, validate stability with the real source impedance and load so phase margin is not assumed from typical-only plots. This keeps qualification evidence reproducible later.
  • In practice, confirm power supply isolation so conducted noise does not translate into emissions or desense in real deployments. This avoids one-off tuning in production.
Project Fit
  • Good fit when you can bench-verify Texas Instruments SNJ54LS688FK for Comparators integration with production-like fixtures, and you can calibrate and test the chain consistently across production lots.
  • Poor fit when the input environment is poorly controlled and protection/filtering are not planned, because validation would rely on assumptions that cannot be re-tested later.
SNJ54LS688FKSNJ54LS688FK

Click on the inquiry