Name: SN74LS221D
Brand: Texas Instruments
SKU: SN74LS221D
Price: 1.6428 USD
Availability: InStock
Rating: 5 (91 reviews)

SN74LS221D

For Reference Only

Part Number	SN74LS221D
Manufacturer	Texas Instruments
Description	IC DUAL MONO MULTIVIB 16-SOIC
Datasheet	SN74LS221D Specifications
Package	16-SOIC (0.154", 3.90mm Width)
ECAD
In Stock	19,200 piece(s)
Unit Price	$ 1.6428 *
Lead Time	To be Confirmed
Estimated Delivery Time	Jun 5 - Jun 10 (Choose Expedited Shipping)
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Part Number # SN74LS221D (Logic - Multivibrators) is manufactured by Texas Instruments and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

For SN74LS221D specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add SN74LS221D with quantity into BOM. Heisener.com does NOT require any registration to request a quote of SN74LS221D.

SN74LS221D Specifications

Manufacturer	Texas Instruments
Category	Integrated Circuits (ICs) - Logic - Multivibrators
Package	16-SOIC (0.154", 3.90mm Width)
ECAD
Series	74LS
Logic Type	Monostable
Independent Circuits	2
Schmitt Trigger Input	No
Propagation Delay	45ns
Current - Output High, Low	400µA, 8mA
Voltage - Supply	4.75 V ~ 5.25 V
Operating Temperature	0°C ~ 70°C
Mounting Type	Surface Mount
Package / Case	16-SOIC (0.154", 3.90mm Width)
Supplier Device Package	16-SOIC

SN74LS221D Reviews

Veron*****adhwa

April 8, 2023

★ ★ ★ ★ ★

Great communication. A pleasure to do business with.

Emm***** Clay

April 2, 2023

★ ★ ★ ★ ★

Very good product for electronic projects and are of great quality and test great.

Vera*****thai

April 1, 2023

★ ★ ★ ★ ★

Absolutely awesome, quick delivery, perfect product exactly as described!

Erne*****Graham

March 31, 2023

★ ★ ★ ★ ★

I was able to make my list of needed parts and use suggested relative selection. The five stars represent the fact they show inventory quantity. So far i'm happy.

Lin*****araf

March 24, 2023

★ ★ ★ ★ ★

I enjoy Good service from Heisener team , I can get good quality components what I want in heisener.com.

Yar*****rnold

March 13, 2023

★ ★ ★ ★ ★

Replaced a diode in my distortion pedal. Sounds different (lower growl) but in a good way...LOL!

Car*****eon

March 10, 2023

★ ★ ★ ★ ★

Nice to have an assortment on hand, just in case. Happy with this purchase.

Loui*****oran

March 10, 2023

★ ★ ★ ★ ★

This is the best online shop to order electronic components. From a 30 cent item up to industrial, Customer Service is great. This company is so reliable and super easy to work with and ask questions. One CS agent even stayed after hours to get me an answer!

Maka*****macho

February 20, 2023

★ ★ ★ ★ ★

All OK, fast delivery, good quality. Product works as it should, Nice Seller.

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SN74LS221D Packaging

SN74LS221D FAQ

1. How to order SN74LS221D on Heisener?

Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
2. How does Heisener guarantee that SN74LS221D is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the SN74LS221D. All suppliers must pass our qualification reviews before they can publish their products including SN74LS221D on Heisener; we pay more attention to the channels and quality of SN74LS221D products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the SN74LS221D price and inventory displayed accurate?

The price and inventory of SN74LS221D fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.
5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
6. What is the process for return or replacement of SN74LS221D?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the SN74LS221D we delivered, we will accept the replacement or return of the SN74LS221D only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of SN74LS221D.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations
7.How to contact us to get technical supports, such as SN74LS221D pin diagram, SN74LS221D datasheet?

If you need any after-sales service, please do not hesitate to contact us.

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SN74LS221D Guarantees

Service Guarantees

We guarantee 100% customer satisfaction.

Our experienced sales team and tech support team back our services to satisfy all our customers.

Quality Guarantees

We provide 90 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.

Global Supply Chains - Reliable and Authorized Distributor Resources

Part Number	Manufacturer	Description	Stock
SN74LS221D D# V99:2348_07345644	Texas Instruments	Monostable Multivibrator Dual-Element 0°C 70°C 16-Pin SOIC Tube RoHS: Compliant	0
SN74LS221DBR D# V36:1790_07345645	Texas Instruments	Monostable Multivibrator Dual-Element 0°C 70°C 16-Pin SSOP T/R RoHS: Compliant	0
SN74LS221DR D# V72:2272_07345647	Texas Instruments	Monostable Multivibrator Dual-Element 0°C 70°C 16-Pin SOIC T/R RoHS: Compliant	0

Part Number

Manufacturer

Description

Stock

SN74LS221D

D# SN74LS221D

Texas Instruments

Monostable Multivibrator Dual 16-Pin SOIC Tube - Rail/Tube (Alt: SN74LS221D)

SN74LS221DR2

D# SN74LS221DR2

Rochester Electronics LLC

- Bulk (Alt: SN74LS221DR2)

Part Number

Manufacturer

Description

Stock

SN74LS221D

Texas Instruments

489

SN74LS221DG4

Texas Instruments

Part Number	Manufacturer	Description	Stock
SN74LS221DRE4	Texas Instruments	DUAL MONOSTABLE MULTIVIBRATOR - Tape and Reel	0
SN74LS221DE4	Rochester Electronics LLC	74LS221 Oneshot SN74LS221DE4	0
SN74LS221DRG4	Rochester Electronics LLC	74LS221 Oneshot SN74LS221DRG4	0
SN74LS221DG4	Texas Instruments	IC MONOSTABLE DUAL 16SOIC	0
SN74LS221D	ON Semiconductor	M: LS221 LS SERIES, DUAL MONOSTABLE MULTIVIBRATOR, PDSO16 PLASTIC, SOIC-16	451
SN74LS221DBRE4	Rochester Electronics LLC	74LS221 Oneshot SN74LS221DBRE4	0
SN74LS221DR	Texas Instruments	IC DUAL MONO MULTIVIBRATR 16SOIC	0
SN74LS221DBRG4	Rochester Electronics LLC	74LS221 Oneshot SN74LS221DBRG4	0
SN74LS221DBR	Texas Instruments	IC MONO MULTIVIBRATR DUAL 16SSOP	0

Part Number	Manufacturer	Description	Stock
SN74LS221DR D# 296-SN74LS221DRCT-ND	Texas Instruments	IC MULTIVIBRATOR 45NS 16SOIC	4512
SN74LS221D D# 296-3673-5-ND	Texas Instruments	IC MULTIVIBRATOR 45NS 16SOIC	1374
SN74LS221DBR D# 296-29135-2-ND	Texas Instruments	IC MULTIVIBRATOR 45NS 16SSOP	0
SN74LS221DRE4 D# SN74LS221DRE4-ND	Texas Instruments	IC MULTIVIBRATOR 45NS 16SOIC	0
SN74LS221DG4 D# 2156-SN74LS221DG4-TI-ND	Rochester Electronics LLC	IC MULTIVIBRATOR 45NS 16SOIC	0

Part Number

Manufacturer

Description

Stock

SN74LS221DBR

Texas Instruments

In stock shipping within 2days

1743

Part Number

Manufacturer

Description

Stock

SN74LS221D

D# 3006703

Texas Instruments

IC, MULTIVIBRATOR, MONSTABLE, SMD

RoHS: Compliant

Min Qty: 1

Container: Each

Part Number	Manufacturer	Description	Stock
SN74LS221DR2	Motorola Semiconductor Products	OEM/CM QUOTES ONLY \| NO BROKERS	2251
SN74LS221DG4	Texas Instruments	OEM/CM QUOTES ONLY \| NO BROKERS	88
SN74LS221DR	Texas Instruments	OEM/CM QUOTES ONLY \| NO BROKERS	2812
SN74LS221DB	Texas Instruments	OEM/CM QUOTES ONLY \| NO BROKERS	2100
SN74LS221D	MOTO	OEM/CM QUOTES ONLY \| NO BROKERS	3998

Part Number	Manufacturer	Description	Stock
SN74LS221DR04	Texas Instruments	OEM/CM ONLY	742
SN74LS221DBR	Texas Instruments	OEM/CM ONLY	794
SN74LS221DG4	Texas Instruments	OEM/CM ONLY	551
SN74LS221DE4	Texas Instruments	OEM/CM ONLY	568
SN74LS221DR2USMD	Texas Instruments	OEM/CM ONLY	945
SN74LS221DRG4	Texas Instruments	OEM/CM ONLY	261
SN74LS221D	Texas Instruments	OEM/CM ONLY	963
SN74LS221DBRE4	Texas Instruments	OEM/CM ONLY	162
TISSN74LS221D	Texas Instruments	OEM/CM ONLY	1020
SN74LS221DB	Texas Instruments	OEM/CM ONLY	192
SN74LS221DBR00TI	Texas Instruments	OEM/CM ONLY	4090
SN74LS221DRE4	Texas Instruments	OEM/CM ONLY	464
SN74LS221DBRG4	Texas Instruments	OEM/CM ONLY	905

Part Number

Manufacturer

Description

Stock

SN74LS221D

Texas Instruments

In stock

146

SN74LS221DG4

Texas Instruments

In stock

Part Number

Manufacturer

Description

Stock

SN74LS221DBR

Texas Instruments

OEM/CM Immediate delivery

6250

Part Number	Manufacturer	Description	Stock
SN74LS221D D# 595-SN74LS221D	Texas Instruments	Monostable Multivibrator Dual Mono RoHS: Compliant	798
SN74LS221DBR D# 595-SN74LS221DBR	Texas Instruments	Monostable Multivibrator Dual w/Schmitt-trgr inputs RoHS: Compliant	2567
SN74LS221DR D# 595-SN74LS221DR	Texas Instruments	Monostable Multivibrator Dual Mono RoHS: Compliant	1905

Part Number	Manufacturer	Description	Stock
SN74LS221DRG4 D# NS-SN74LS221DRG4	Texas Instruments	OEM/CM ONLY	7196
SN74LS221DR D# NS-SN74LS221DR	Texas Instruments	OEM/CM ONLY	3625
SN74LS221DBRE4 D# NS-SN74LS221DBRE4	Texas Instruments	OEM/CM ONLY	4579
SN74LS221DB D# NS-SN74LS221DB	VARIOUS	OEM/CM ONLY	8725
SN74LS221-D D# NS-SN74LS221-D	ON Semiconductor	OEM/CM ONLY	2013
SN74LS221DBR D# NS-SN74LS221DBR	Texas Instruments	OEM/CM ONLY	4171
SN74LS221DBRG4 D# NS-SN74LS221DBRG4	Texas Instruments	OEM/CM ONLY	2448
SN74LS221DG4 D# NS-SN74LS221DG4	Texas Instruments	OEM/CM ONLY	6697
SN74LS221D D# NS-SN74LS221D	Texas Instruments	OEM/CM ONLY	6139
SN74LS221DR2 D# NS-SN74LS221DR2	ON Semiconductor	OEM/CM ONLY	9434
SN74LS221DRE4 D# NS-SN74LS221DRE4	Texas Instruments	OEM/CM ONLY	9884
SN74LS221DE4 D# NS-SN74LS221DE4	Texas Instruments	OEM/CM ONLY	8222

Part Number	Manufacturer	Description	Stock
SN74LS221DR2	Motorola Semiconductor Products		108
SN74LS221D	Motorola Semiconductor Products	Multivibrator, Monostable Type, 16 Pin, Plastic, SOP	510
SN74LS221DG4	Texas Instruments	IC,MONOSTABLE MULTIVIBRATOR,LS-TTL,SOP,16PIN,PLASTIC, LEAD FREE	68

Part Number

Manufacturer

Description

Stock

SN74LS221D

Texas Instruments

SN74LS221 Dual monostable multivibrators with Schmitt-trigger inputs

RoHS: Compliant

5012

Part Number	Manufacturer	Description	Stock
SN74LS221DR2	ON Semiconductor	OEM/CM ONLY	3214
SN74LS221DG4	Texas Instruments	OEM/CM ONLY	186
SN74LS221D	ON Semiconductor	OEM/CM ONLY	11013
SN74LS221DR	Texas Instruments	OEM/CM ONLY	5369
SN74LS221DB	Texas Instruments	OEM/CM ONLY	992

Part Number

Manufacturer

Description

Stock

SN74LS221DBR

Texas Instruments

IN stock Immediate delivery

6265

Part Number	Manufacturer	Description	Stock
SN74LS221DR	Texas Instruments	Dual monostable multivibrators with Schmitt-trigger inputs	31
SN74LS221DBR	Texas Instruments	Dual monostable multivibrators with Schmitt-trigger inputs	11
SN74LS221D	Texas Instruments	Dual monostable multivibrators with Schmitt-trigger inputs	3

Part Number

Manufacturer

Description

Stock

SN74LS221D

D# 53422381

Texas Instruments

Monostable Multivibrator Dual-Element 0°C 70°C 16-Pin SOIC Tube

RoHS: Compliant

Part Number	Manufacturer	Description	Stock
SN74LS221DE4	Texas Instruments	RFQ	10375
SN74LS221D	Texas Instruments	RFQ	5910
SN74LS221DR	Texas Instruments	RFQ	9931

Part Number

Manufacturer

Description

Stock

SN74LS221DR

Texas Instruments

IC DUAL MONO MULTIVIBRATR 16SOIC

2402

Quick Inquiry

SN74LS221D

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