SN74LS688N

SN74LS688N

$2.72
  • Description:IC COMPARATOR IDENTITY 8B 20DIP
  • Series:74LS
  • Mfr:Texas Instruments
  • Package:Tube

SKU:f255952c5f64 Category: Brand:

  
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Product Detailed Parameters

  • Description:IC COMPARATOR IDENTITY 8B 20DIP
  • Series:74LS
  • Mfr:Texas Instruments
  • Package:Tube
  • Type:Identity Comparator
  • Number of Bits:8
  • Output:Active Low
  • Output Function:A=B
  • Voltage - Supply:4.85V ~ 5.25V
  • Current - Output High, Low:400µA, 24mA
  • Max Propagation Delay @ V, Max CL:23ns @ 5V, 45pF
  • Current - Quiescent (Iq):-
  • Operating Temperature:0°C ~ 70°C
  • Package / Case:20-DIP (0.300", 7.62mm)
  • Supplier Device Package:20-PDIP
  • Mounting Type:Through Hole
  • Grade:-
  • Qualification:-

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SN74LS688N

Buying Guide
Summary

Texas Instruments SN74LS688N is a component in Comparators category typically evaluated for fit, operating limits, and supportability in production. Key specs include Description (IC COMPARATOR IDENTITY 8B 20DIP), Series (74LS), Type (Identity Comparator), Packaging (Tube), and Supply (4.85V ~ 5.25V).

Selection Notes
  • For SN74LS688N, confirm the operating temperature range (0°C ~ 70°C) meets your deployment conditions.
  • Confirm Current - Output High, Low (400µA, 24mA) is suitable for your use case and operating conditions.
  • Confirm the mounting type (Through Hole) matches your assembly process and reliability requirements.
Alternates & Substitutions
  • In Comparators designs, define acceptance criteria up front so alternates can be qualified and repeated in production.
  • For substitutions, match the footprint-related items first: package/case 20-DIP (0.300", 7.62mm), supplier package 20-PDIP, mounting Through Hole.
  • For production substitutions, confirm traceability and documentation expectations so the alternate can be released cleanly.
  • Confirm startup states and fault behavior are equivalent so the alternate does not change system behavior during brownouts or resets.
FAQ

What details help you quote SN74LS688N quickly?
Send the part number (SN74LS688N), quantity, target delivery date, and any required packaging or documentation.

Which Number of Bits is specified for SN74LS688N?
8

What package type does SN74LS688N come in?
20-DIP (0.300", 7.62mm)

Can you confirm the Output Function for SN74LS688N?
A=B

Application Scenarios

In real deployments, selecting Texas Instruments SN74LS688N for Comparators usually comes down to meeting the system constraints that matter most: limits, interfaces, and testability in the real build. Layout and hysteresis strategy often determine noise immunity and false-trigger rate in the real environment. Teams often verify grounding, reference integrity, interface timing, and loading because small errors compound across the chain. Designers often focus on grounding and reference strategy because they often decide whether performance is repeatable across builds. In energy metering, accuracy is maintained across noisy mains and wide temperature swings. Within battery systems, window comparators support undervoltage/overvoltage monitoring where accuracy and stable thresholds matter across temperature. Within power supplies and motor drives, comparators implement fast protection thresholds (OCP/OVP) where propagation delay and hysteresis control nuisance trips.

Compatibility Advice
  • Verify layout and return paths so fast edges do not create unintended coupling and ringing across temperature and supply corners.
Project Fit
  • More fragile when integrating Texas Instruments SN74LS688N for Comparators, compliance margins are tight but spurs and harmonics are not measured under real modulation, because repeatable production verification is not feasible.
SN74LS688NSN74LS688N
$2.72
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