Name: SN74LS21DR
Brand: Texas Instruments
SKU: SN74LS21DR
Price: 0.2698 USD
Availability: InStock
Rating: 5 (88 reviews)

SN74LS21DR

For Reference Only

Part Number	SN74LS21DR
Manufacturer	Texas Instruments
Description	IC GATE AND 2CH 4-INP 14-SOIC
Datasheet	SN74LS21DR Specifications
Package	14-SOIC (0.154", 3.90mm Width)
ECAD
In Stock	63,480 piece(s)
Unit Price	$ 0.2698 *
Lead Time	Can Ship Immediately
Estimated Delivery Time	May 3 - May 8 (Choose Expedited Shipping)
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Part Number # SN74LS21DR (Logic - Gates and Inverters) 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 SN74LS21DR specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add SN74LS21DR with quantity into BOM. Heisener.com does NOT require any registration to request a quote of SN74LS21DR.

SN74LS21DR Specifications

Manufacturer	Texas Instruments
Category	Integrated Circuits (ICs) - Logic - Gates and Inverters
Package	14-SOIC (0.154", 3.90mm Width)
ECAD
Series	74LS
Logic Type	AND Gate
Number of Circuits	2
Number of Inputs	4
Features	-
Voltage - Supply	4.75 V ~ 5.25 V
Current - Quiescent (Max)	-
Current - Output High, Low	400µA, 8mA
Logic Level - Low	0.8V
Logic Level - High	2V
Max Propagation Delay @ V, Max CL	20ns @ 5V, 15pF
Operating Temperature	0°C ~ 70°C
Mounting Type	Surface Mount
Supplier Device Package	14-SOIC
Package / Case	14-SOIC (0.154", 3.90mm Width)

SN74LS21DR Reviews

Mari*****Sharaf

April 7, 2023

★ ★ ★ ★ ★

Received the parts, and all parts are in tight packaging without any problems, professional seller.

Annal*****ishra

April 5, 2023

★ ★ ★ ★ ★

Very easy to find and order what I wanted. Being able to add multiple items in various quantities from an online catalog page with a simple click.

Abig*****Abbott

April 5, 2023

★ ★ ★ ★ ★

Great price. Worked well for my needs.

Matil*****rrillo

March 24, 2023

★ ★ ★ ★ ★

A good, reputable company that I will continue to deal with, thank you!

Kar***** Page

March 21, 2023

★ ★ ★ ★ ★

Worked wonderfully. Went through the instructions to the tea to make sure it was done correctly.

Cad*****Divan

March 20, 2023

★ ★ ★ ★ ★

I like this way to add a project, choose existing project to add components. I use this method frequently to keep track of my projects. Thanks Heisener!

Doug*****Arora

March 20, 2023

★ ★ ★ ★ ★

You guys and girls are fantastic! The selection is fantastic and service is great.

Gian*****ilkins

March 16, 2023

★ ★ ★ ★ ★

Worked like it was intended.

Yus*****Iyer

March 6, 2023

★ ★ ★ ★ ★

I'm so sure that you're beating your competitor on delivery!

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SN74LS21DR Packaging

SN74LS21DR FAQ

1. How to order SN74LS21DR 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 SN74LS21DR is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the SN74LS21DR. All suppliers must pass our qualification reviews before they can publish their products including SN74LS21DR on Heisener; we pay more attention to the channels and quality of SN74LS21DR products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the SN74LS21DR price and inventory displayed accurate?

The price and inventory of SN74LS21DR 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 SN74LS21DR?

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 SN74LS21DR we delivered, we will accept the replacement or return of the SN74LS21DR 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 SN74LS21DR.

(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 SN74LS21DR pin diagram, SN74LS21DR datasheet?

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

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SN74LS21DR 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

SN74LS21D

D# V36:1790_07345638

Texas Instruments

AND Gate 2-Element 4-IN Bipolar 14-Pin SOIC Tube

RoHS: Compliant

SN74LS21DR

D# V72:2272_07345639

Texas Instruments

AND Gate 2-Element 4-IN Bipolar 14-Pin SOIC T/R

RoHS: Compliant

Part Number	Manufacturer	Description	Stock
SN74LS21DR	Texas Instruments	IC GATE AND 2CH 4-INP 14-SOIC	0
SN74LS21DRG4	Texas Instruments	IC GATE AND 2CH 4-INP 14-SOIC	0
SN74LS21D	Texas Instruments	IC GATE AND 2CH 4-INP 14-SOIC	0
SN74LS21DRE4	Rochester Electronics LLC	74LS21 AND SN74LS21DRE4	0

Part Number

Manufacturer

Description

Stock

SN74LS21DR

D# 296-38800-2-ND

Texas Instruments

IC GATE AND 2CH 4-INP 14SOIC

SN74LS21D

D# 296-3671-5-ND

Texas Instruments

IC GATE AND 2CH 4-INP 14SOIC

723

Part Number

Manufacturer

Description

Stock

SN74LS21D

Texas Instruments

In stock shipping within 2days

425

SN74LS21DR

Texas Instruments

In stock shipping within 2days

120

Part Number	Manufacturer	Description	Stock
SN74LS21DR2	Motorola Semiconductor Products	OEM/CM QUOTES ONLY \| NO BROKERS	6096
SN74LS21D	Texas Instruments	OEM/CM QUOTES ONLY \| NO BROKERS	3051
SN74LS21DR	Texas Instruments	OEM/CM QUOTES ONLY \| NO BROKERS	2975

Part Number

Manufacturer

Description

Stock

SN74LS21DR

Texas Instruments

OEM/CM ONLY

436

Part Number

Manufacturer

Description

Stock

SN74LS21D

D# 595-SN74LS21D

Texas Instruments

Logic Gates Dual 4 Input

RoHS: Compliant

1156

SN74LS21DR

D# 595-SN74LS21DR

Texas Instruments

Logic Gates Dual 4-input Positive-AND Gates

RoHS: Compliant

14129

Part Number	Manufacturer	Description	Stock
SN74LS21D D# NS-SN74LS21D	Texas Instruments	OEM/CM ONLY	4690
SN74LS21DRG4 D# NS-SN74LS21DRG4	Texas Instruments	OEM/CM ONLY	8975
SN74LS21DRE4 D# NS-SN74LS21DRE4	Texas Instruments	OEM/CM ONLY	5444
SN74LS21DR D# NS-SN74LS21DR	Texas Instruments	OEM/CM ONLY	6248

Part Number

Manufacturer

Description

Stock

SN74LS21D

Texas Instruments

Logic Circuit, Dual 4-Input AND, LS-TTL, 14 Pin, Plastic, SOP

233

SN74LS21DR2

Texas Instruments

Logic Circuit, Dual 4-Input AND, LS-TTL, 14 Pin, Plastic, SOP

3968

Part Number

Manufacturer

Description

Stock

SN74LS21D

Texas Instruments

SN74LS21 Dual 4-input positive-AND gates

RoHS: Compliant

21960

SN74LS21DR

Texas Instruments

SN74LS21 Dual 4-input positive-AND gates

RoHS: Compliant

2500

Part Number	Manufacturer	Description	Stock
SN74LS21DR	Texas Instruments	OEM/CM ONLY	3114
SN74LS21DR2	Motorola Semiconductor Products	OEM/CM ONLY	6099
SN74LS21D	Texas Instruments	OEM/CM ONLY	5750

Part Number

Manufacturer

Description

Stock

SN74LS21D

Texas Instruments

2-ch, 4-input, 4.75-V to 5.25-V bipolar AND gates

906

SN74LS21DR

Texas Instruments

2-ch, 4-input, 4.75-V to 5.25-V bipolar AND gates

Part Number

Manufacturer

Description

Stock

SN74LS21DR

Texas Instruments

shipping today

1693

Part Number

Manufacturer

Description

Stock

SN74LS21DR

D# 31665875

Texas Instruments

AND Gate 2-Element 4-IN Bipolar 14-Pin SOIC T/R

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

SN74LS21DR

Texas Instruments

RFQ

4545

Quick Inquiry

SN74LS21DR

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