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  1. Home
  2. /Products
  3. /Integrated Circuits - ICs
  4. /Clock & Timer ICs
  5. /SN74LS221N
SN74LS221N thumbnail 1
Texas Instruments

SN74LS221N

Category
Clock & Timer ICs
Manufacturer
Texas InstrumentsDetails
Datasheet
Description
Dual monostable multivibrators with Schmitt-trigger inputs
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Quality Control
Authentic & Traceable
Shipping (In-stock)
1-3 business days
Quote Response
Within 24 Hours
Stock Status2140
QuantitySN74LS221N
Country

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Specification
Product Details
Documentation
TypeDescriptionTypeDescription
Number of channels2Supply voltage (min) (V)4.75
Supply voltage (max) (V)5.25Technology familyLS
Input typeSchmitt-TriggerOutput typePush-Pull
Supply current (µA)27000IOL (max) (mA)8
IOH (max) (mA)-0.4FeaturesStandard speed (tpd > 50ns)
Operating temperature range (°C)0 to 70RatingCatalog
PackagePDIP (N)Pins16
Size181.42 mm² 19.3 x 9.4PackageSOIC (D)
Pins16Size59.4 mm² 9.9 x 6
PackageSOP (NS)Pins16
Certified Quality & Compliance
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Secure Packaging
Shipping & Availability
Payment

YG GROUP (YUGUANG INTERNATIONAL(HK)CO.,LTD) supports reliable sourcing through quality controls and compliance documentation. Please confirm product requirements, applicable certifications and supporting documents before ordering.

  • 1. Certification Scope: Quality certifications apply only to the entities, sites and activities listed in valid certificates. Management system certification does not certify each individual product.
  • 2. Product Authenticity: Products must match the agreed manufacturer, part number and condition. Supplier screening and authenticity checks help reduce counterfeit risk.
  • 3. Inspection & Testing: The inspection scope follows product risks and agreed requirements. Additional testing, laboratory arrangements, costs and lead times require written confirmation.
  • 4. Traceability & Documentation: Request conformity certificates, traceability records or test reports before ordering. Document availability, issuer and coverage must be confirmed for the offered goods.
  • 5. Environmental Compliance: RoHS and REACH information is based on applicable manufacturer documentation. Confirm the exact part, declaration date and relevant exemptions before ordering.
  • 6. Handling & Protection: Handling, storage and packaging follow applicable product requirements, including ESD and moisture protection where required. Special handling requirements must be agreed before ordering.
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Product FAQ
Purchasing FAQ

What type of component is SN74LS221N, and what package does it use?

SN74LS221N is an authentic electronic component manufactured by Texas Instruments, categorized under Clock & Timer ICs. It is supplied in the standard PDIP (N) package footprint, providing industry-standard mechanical dimensions and terminal configurations for board-level assembly. Full pinout configurations, physical footprint drawings, and rated operating tolerances are documented in the official SN74LS221N datasheet above.

Why is dynamic quotation used instead of a fixed price for SN74LS221N?

Electronic component spot-market pricing for SN74LS221N fluctuates based on real-time global availability, production date codes, minimum order quantities (MOQ), and packaging formats (e.g., Reel, Tube, Tray). Using an RFQ ensures you receive accurate, real-time volume pricing tied to verified, traceable inventory rather than stale catalog estimates.

What is the delivery timeline after placing an order for SN74LS221N?

Lead times for SN74LS221N depend on whether stock is dispatched from our central hub or regional franchise partners. Ready-to-ship inventory typically leaves the warehouse within 1–3 business days following quality inspection, while factory-direct or back-ordered allocations are confirmed with an estimated ship date upon RFQ reply.

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