Please refer to the English Version as our Official Version.

Europe: France~~(Français)~~ Germany~~(Deutsch)~~ Italy~~(Italia)~~ Russian~~(русский)~~ Poland~~(polski)~~ Czech~~(Čeština)~~ Luxembourg~~(Lëtzebuergesch)~~ Netherlands~~(Nederland)~~ Iceland~~(íslenska)~~ Hungarian~~(Magyarország)~~ Spain~~(español)~~ Portugal~~(Português)~~ Turkey~~(Türk dili)~~ Bulgaria~~(Български език)~~ Ukraine~~(Україна)~~ Greece~~(Ελλάδα)~~ Israel~~(עִבְרִית)~~ Sweden~~(Svenska)~~ Finland~~(Svenska)~~ Finland~~(Suomi)~~ Romania~~(românesc)~~ Moldova~~(românesc)~~ Slovakia~~(Slovenská)~~ Denmark~~(Dansk)~~ Slovenia~~(Slovenija)~~ Slovenia~~(Hrvatska)~~ Croatia~~(Hrvatska)~~ Serbia~~(Hrvatska)~~ Montenegro~~(Hrvatska)~~ Bosnia and Herzegovina~~(Hrvatska)~~ Lithuania~~(lietuvių)~~ Spain~~(Português)~~ Switzerland~~(Deutsch)~~ United Kingdom~~(English)~~

Asia/Pacific: Japan~~(日本語)~~ Korea~~(한국의)~~ Thailand~~(ภาษาไทย)~~ Malaysia~~(Melayu)~~ Singapore~~(Melayu)~~ Vietnam~~(Tiếng Việt)~~ Philippines~~(Pilipino)~~

Africa, India and Middle East: United Arab Emirates~~(العربية)~~ Iran~~(فارسی)~~ Tajikistan~~(فارسی)~~ India~~(हिंदी)~~ Madagascar~~(malaɡasʲ)~~

South America / Oceania: New Zealand~~(Maori)~~ Brazil~~(Português)~~ Angola~~(Português)~~ Mozambique~~(Português)~~

North America: United States~~(English)~~ Canada~~(English)~~ Haiti~~(Ayiti)~~ Mexico~~(español)~~

Home Products Integrated Circuits (ICs)Logic - Multivibrators~~CD74HCT221EG4~~

Image may be representation.
See specifications for product details.

~~Favorite~~

EXPRESS OPTION

Payment method

CD74HCT221EG4 - Texas Instruments

Manufacturer Part Number: CD74HCT221EG4

Manufacturer: Texas Instruments

Allelco Part Number: 98D-CD74HCT221EG4

Warranty: 1 Year Allelco Warranty - Find out more

Parts Description: IC MULTIVIBRATOR 18NS 16DIP

Package: 16-PDIP

Data sheet: 1.CD74HCT221EG4.pdf ...

PCN Design/Specification
Copper Bond Wire Revision A 04/Dec/2013.pdf

HTML Datasheet
CD(54,74)HC(T)221 Datasheet.pdf

RoHs Status: ROHS3 Compliant

~~Compare~~

Our certification

In stock: 7139

Unit Price: $0.276
Subtotal: $0.00

Want a better price?
Add to Cart and Submit RFQ now, we'll contact you immediately.

Quantity	Unit Price	Ext. Price
1+	$0.276	$0.28
200+	$0.107	$21.40
500+	$0.103	$51.50
1000+	$0.101	$101.00

The above prices does not include taxes and freight rates, which will be calculated on the order pages.

EXPRESS OPTION

Payment method

Our certification

Specifications

CD74HCT221EG4 Tech Specifications
Texas Instruments - CD74HCT221EG4 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - CD74HCT221EG4

Product Attribute	Attribute Value
Manufacturer	Texas Instruments
Voltage - Supply	4.5 V ~ 5.5 V
Supplier Device Package	16-PDIP
Series	74HCT
Schmitt Trigger Input	Yes
Propagation Delay	18 ns
Package / Case	16-DIP (0.300", 7.62mm)

Product Attribute	Attribute Value
Package	Tube
Operating Temperature	-55°C ~ 125°C
Mounting Type	Through Hole
Logic Type	Monostable
Independent Circuits	2
Current - Output High, Low	4mA, 4mA
Base Product Number	74HCT221

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected
ECCN	EAR99
HTSUS	8542.39.0001

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments CD74HCT221EG4

Product Attribute
Part Number	CD74HCT221M96G4	CD74HCT221M96E4	CD74HCT221MG4	CD74HCT221E
Manufacturer	Luminary Micro / Texas Instruments	Luminary Micro / Texas Instruments	Texas Instruments	Harris Corporation
Propagation Delay	-	-	-	-
Voltage - Supply	-	-	-	-
Current - Output High, Low	-	-	-	-
Schmitt Trigger Input	-	-	-	-
Series	-	-	-	-
Supplier Device Package	-	196-NFBGA (12x12)	16-PDIP	64-VQFN (9x9)
Logic Type	-	-	-	-
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Independent Circuits	-	-	-	-
Base Product Number	-	DAC34H84	MAX500	ADS62P42
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Mounting Type	-	Surface Mount	Through Hole	Surface Mount

CD74HCT221EG4 Datasheet PDF

Download CD74HCT221EG4 pdf datasheets and Texas Instruments documentation for CD74HCT221EG4 - Texas Instruments.

PCN Design/Specification: Copper Bond Wire Revision A 04/Dec/2013.pdf
HTML Datasheet: CD(54,74)HC(T)221 Datasheet.pdf

Customers Also Interested in

Recommended Products

Customer Reviews

Evaluation: 10 Articles

Jess***Jones

Apr 17, 2026

It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.
Mich***Smith

Apr 17, 2026

Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.
Aman***arris

Apr 3, 2026

It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.
Mike***nch

Apr 3, 2026

Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.
Daic***K.

Mar 23, 2026

Very good. No issue after long time testing.
Kevi***.

Mar 17, 2026

Fast switching and stable output. Very satisfied with this IC
Daou***hekebkeb

Jun 16, 2024

I had a great experience purchasing items from Allelcoelec, I recommend
Uri ***al

Jun 19, 2024

Good comunication,
Transpnt regarding the process and price.
Yaqu***l Ali

Jun 19, 2024

Providing reasonable prices, regular follow-up of orders, providing accurate and regular invoices, timely delivery of goods, excellent customer service and providing original goods and best quality materials.
Lea ***

Jun 19, 2024

Morrey was very helpful and right on top of things!
He replied quickly to my RFQ. He was very courteous and professional.

Write a Review

Your Email address will not be published.

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

Use your express account for shipment if you have one.
Use our account for the shipment. Refer to the table below for the approximate charges.

(Different time frame / countries / package size has different price.)

Delivery Method

Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

Note:: The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Efficient Supply Management
Cost-Saving Procurement
Fast Sourcing & Delivery

Contact us if you have any questions.

Phone
+00852 9146 4856
Email
info@allelco.com

Certifications & Memberships

CD74HCT221EG4

Texas Instruments
98D-CD74HCT221EG4

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

The Blogs Hot Parts Change Language News Site map

Headquarters Address:
Room C 13/F Harvard Commercial Building
105-111 Thomson Road Wan Chai
HongKong

Service Tel: +852-91464856
Service Email: info@allelco.com

Follow us

0 RFQ

Shopping cart (0 Items)

It is empty.

Submit RFQ

Compare List (0 Items)

It is empty.

Feedback

Your feedback matters! At Allelco, we value the user experience and strive to improve it constantly.
Please share your comments with us via our feedback form, and we'll respond promptly.
Thank you for choosing Allelco.

Please refer to the English Version as our Official Version.Return

CD74HCT221EG4 - Texas Instruments

Specifications

Environmental & Export Classifications

Parts with Similar Specifications

CD74HCT221EG4 Datasheet PDF

Customers Also Interested in

Recommended Products

Customer Reviews

Evaluation: 10 Articles

It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

Very good. No issue after long time testing.

Fast switching and stable output. Very satisfied with this IC

I had a great experience purchasing items from Allelcoelec, I recommend

Good comunication,Transpnt regarding the process and price.

Providing reasonable prices, regular follow-up of orders, providing accurate and regular invoices, timely delivery of goods, excellent customer service and providing original goods and best quality materials.

Morrey was very helpful and right on top of things!He replied quickly to my RFQ. He was very courteous and professional.