SN74LS221D Texas Instruments Integrated Circuit (Small Outline Packages) In Stock

Texas Instruments SN74LS221D Dual Monostable Multivibrator 8mA, 4.75 → 5.25 V, 16-Pin SOIC

OBSOLETEIntegrated CircuitVerified May 2026
Package / Visual Reference
SN74LS221DSmall Outline Packages
Quick Facts
Manufacturer
Texas Instruments
Package
Small Outline Packages
Pin Count
16
Lifecycle
OBSOLETE
Category
Integrated Circuit
Price
From $0.2625(MOQ 1)
Temp Range
?°C to 70.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

Specifications

YTEOL0
FamilyLS
JESD-30 CodeR-PDSO-G16
JESD-609 Codee4
Load Capacitance (CL)15pF
Logic IC TypeMONOSTABLE MULTIVIBRATOR
Max Frequency@Nom-Sup80Hz
Max I(ol)0.008A
Number of Bits2
Number of Data/Clock Inputs2
Number of Functions2
Output PolarityCOMPLEMENTARY
Package Body MaterialPLASTIC/EPOXY
Package Equivalence CodeSOP16,.25
Package ShapeRECTANGULAR
Package StyleSMALL OUTLINE
Packing MethodTUBE
Peak Reflow Temperature (Cel)260
Power Supply Current-Max (ICC)27mA
Propagation Delay (tpd)80ns
Qualification StatusNot Qualified
Schmitt TriggerYES
Supply Voltage-Max (Vsup)5.25V
Supply Voltage-Min (Vsup)4.75V
Supply Voltage-Nom (Vsup)5V
Surface MountYES
TechnologyTTL
Temperature GradeCOMMERCIAL
Terminal FinishNickel/Palladium/Gold (Ni/Pd/Au)
Terminal FormGULL WING
Terminal Pitch1.27mm
Terminal PositionDUAL
Time@Peak Reflow Temperature-Max (s)30
PackageSmall Outline Packages

Compliance & Regulatory

RoHS StatusCompliant
Moisture Sensitivity LevelMSL 1
ECCNEAR99
HTS Code8542.39.00.60
Country of OriginMexico

Datasheet

SN74LS221D Datasheet Download

Official datasheet from Texas Instruments

Alternate & Equivalent Parts

Compatible alternatives and drop-in replacements for SN74LS221D:

SN74LS221DG4Texas Instruments

Monostable Multivibrator, LS Series, 2-Func, TTL, PDSO16

View Part →

Frequently Asked Questions

What is the price of SN74LS221D?

SN74LS221D is priced from $0.2625 USD depending on quantity. Submit an RFQ on FindMyChip for the best current pricing from authorized China distributors.

Is SN74LS221D in stock?

SN74LS221D is currently available at FindMyChip. We maintain stock from authorized distributors and ship worldwide with typical 3-7 business day lead time.

Where can I buy SN74LS221D?

You can buy SN74LS221D from FindMyChip, a B2B electronic component platform sourcing from China distributors. We offer competitive pricing and low MOQ for SN74LS221D from Texas Instruments.

What is the datasheet for SN74LS221D?

The official SN74LS221D datasheet from Texas Instruments contains full specifications including pin configuration, electrical characteristics, and application notes. Download it directly from the datasheet section above.

What package does SN74LS221D come in?

SN74LS221D is available in Small Outline Packages packaging. See the package diagram and pinout above for detailed dimensional information.

Related Guides

Why Buy from FindMyChip

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Competitive Pricing
Factory-direct from China distributors, low MOQ
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About Texas Instruments

Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.

AvailabilityIn Stock
Reference Price (USD)
From $0.2625
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
1+$0.7800$0.78
24+$0.4680$11.23
30+$0.4375$13.13
108+$0.3640$39.31
138+$0.2625$36.23
pcs
Unit price: $0.7800 · Total: $0.78

In Stock · 24h Response · Worldwide Shipping

Lead Time3-7 business days
MOQFrom 1 piece
ShippingDHL / FedEx / UPS
OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.

MR
Marco Rossi
CTO, AutoDrive Systems, Italy