Name: SN74LS640DW
Brand: Texas Instruments
SKU: SN74LS640DW
Price: 2.5582 USD
Availability: InStock
Rating: 5 (194 reviews)

SN74LS640DW

For Reference Only

Part Number	SN74LS640DW
Manufacturer	Texas Instruments
Description	IC BUS TRANSCEIVER 8BIT 20SOIC
Datasheet	SN74LS640DW Specifications
Package	20-SOIC (0.295", 7.50mm Width)
ECAD
In Stock	3,792 piece(s)
Unit Price	$ 2.5582 *
Lead Time	To be Confirmed
Estimated Delivery Time	Jun 4 - Jun 9 (Choose Expedited Shipping)
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Part Number # SN74LS640DW (Logic - Buffers, Drivers, Receivers, Transceivers) 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 SN74LS640DW specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add SN74LS640DW with quantity into BOM. Heisener.com does NOT require any registration to request a quote of SN74LS640DW.

SN74LS640DW Specifications

Manufacturer	Texas Instruments
Category	Integrated Circuits (ICs) - Logic - Buffers, Drivers, Receivers, Transceivers
Package	20-SOIC (0.295", 7.50mm Width)
ECAD
Series	74LS
Logic Type	Transceiver, Inverting
Number of Elements	1
Number of Bits per Element	8
Input Type	-
Output Type	Push-Pull
Current - Output High, Low	15mA, 24mA
Voltage - Supply	4.75 V ~ 5.25 V
Operating Temperature	0°C ~ 70°C (TA)
Mounting Type	Surface Mount
Package / Case	20-SOIC (0.295", 7.50mm Width)
Supplier Device Package	20-SOIC

SN74LS640DW Reviews

Gian*****lkins

April 4, 2023

★ ★ ★ ★ ★

Competitively priced set of diodes, tested as described. Quality is about what you would expect for no- or off-brand.

Paxt*****atti

April 1, 2023

★ ★ ★ ★ ★

Excellent ease of using site both in finding products and ordering! Also shipping charges reasonable.

Jasi*****alan

March 31, 2023

★ ★ ★ ★ ★

Worked as advertised and good price. Can you imagine buying these at local store it would cost way to much.

Desir*****riquez

March 29, 2023

★ ★ ★ ★ ★

the parts work as they should. Amazing price perfect all round many thanks

Thia*****neill

March 14, 2023

★ ★ ★ ★ ★

I bought this for myself, and liked it so much. I also bought one for a friend.

Garr*****Issac

March 10, 2023

★ ★ ★ ★ ★

Always meet my expectations with order and questions.

Ali*****angel

March 7, 2023

★ ★ ★ ★ ★

The order has arrived ahead of time, we appreciate it very much!! Thanks

Zaid*****ormick

March 6, 2023

★ ★ ★ ★ ★

Very quick dispatch, arrived the next day. Item as described. Thanks!

Pais*****Shan

March 4, 2023

★ ★ ★ ★ ★

Always the correct parts in the correct amounts are received. Fantastic Quality Control and Great Selection. Heisener has became to be one of my best suppliers for many years now.

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SN74LS640DW Packaging

SN74LS640DW FAQ

1. How to order SN74LS640DW 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 SN74LS640DW is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the SN74LS640DW. All suppliers must pass our qualification reviews before they can publish their products including SN74LS640DW on Heisener; we pay more attention to the channels and quality of SN74LS640DW products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the SN74LS640DW price and inventory displayed accurate?

The price and inventory of SN74LS640DW 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 SN74LS640DW?

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 SN74LS640DW we delivered, we will accept the replacement or return of the SN74LS640DW 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 SN74LS640DW.

(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 SN74LS640DW pin diagram, SN74LS640DW datasheet?

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

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SN74LS640DW 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

SN74LS640DWR

D# V72:2272_07345939

Texas Instruments

Bus XCVR Single 8-CH 3-ST 20-Pin SOIC T/R

RoHS: Compliant

SN74LS640DW

D# V36:1790_07345937

Texas Instruments

Bus XCVR Single 8-CH 3-ST 20-Pin SOIC Tube

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

SN74LS640DWR2

D# SN74LS640DWR2

ON Semiconductor

- Bulk (Alt: SN74LS640DWR2)

RoHS: Not Compliant

Part Number

Manufacturer

Description

Stock

SN74LS640DW

Texas Instruments

Part Number	Manufacturer	Description	Stock
SN74LS640DWR	ON Semiconductor	M: LS640 LS SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, PDSO20 PLASTIC, SOIC-20	3000
SN74LS640DWRE4	Rochester Electronics LLC	74LS640 Bus Transceiver SN74LS640DWRE4	0
SN74LS640DWRG4	Rochester Electronics LLC	74LS640 Bus Transceiver SN74LS640DWRG4	0
SN74LS640DWG4	Texas Instruments	IC BUS TRANSCEIVER 8BIT 20SOIC	0
SN74LS640DW	ON Semiconductor	M: LS640 LS SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, PDSO20 PLASTIC, SOIC-20	3000
SN74LS640DWE4	Rochester Electronics LLC	74LS640 Bus Transceiver SN74LS640DWE4	0

Part Number	Manufacturer	Description	Stock
SN74LS640DWR D# 296-29734-1-ND	Texas Instruments	IC TXRX INVERT 5.25V 20SOIC	841
SN74LS640DW D# 296-34016-5-ND	Texas Instruments	IC TXRX INVERT 5.25V 20SOIC	187
SN74LS640DWR2 D# 2156-SN74LS640DWR2-ND	Rochester Electronics LLC	BUS TRANSCEIVER	3000

Part Number

Manufacturer

Description

Stock

SN74LS640DW

Texas Instruments

In stock shipping within 2days

117

Part Number	Manufacturer	Description	Stock
SN74LS640DW	Motorola Semiconductor Products	OEM/CM QUOTES ONLY \| NO BROKERS	2216
SN74LS640DWG4	Texas Instruments	OEM/CM QUOTES ONLY \| NO BROKERS	37
SN74LS640DWR	Texas Instruments	OEM/CM QUOTES ONLY \| NO BROKERS	2380
SN74LS640DWR2	Rochester Electronics LLC	OEM/CM QUOTES ONLY \| NO BROKERS	3570

Part Number	Manufacturer	Description	Stock
SN74LS640DWE4	Texas Instruments	OEM/CM ONLY	541
SN74LS640DWG4	Texas Instruments	OEM/CM ONLY	632
SN74LS640DWRE4	Texas Instruments	OEM/CM ONLY	1059

Part Number

Manufacturer

Description

Stock

SN74LS640DW

D# 595-SN74LS640DW

Texas Instruments

Bus Transceivers Octal bus Transceiver

RoHS: Compliant

260

Part Number	Manufacturer	Description	Stock
SN74LS640DWRE4 D# NS-SN74LS640DWRE4	Texas Instruments	OEM/CM ONLY	3935
SN74LS640DWRG4 D# NS-SN74LS640DWRG4	Texas Instruments	OEM/CM ONLY	9405
SN74LS640DWE4 D# NS-SN74LS640DWE4	Texas Instruments	OEM/CM ONLY	3651
SN74LS640DW D# NS-SN74LS640DW	Texas Instruments	OEM/CM ONLY	8286
SN74LS640DWG4 D# NS-SN74LS640DWG4	Texas Instruments	OEM/CM ONLY	8725
SN74LS640DWR D# NS-SN74LS640DWR	Texas Instruments	OEM/CM ONLY	3692

Part Number

Manufacturer

Description

Stock

SN74LS640DWR

Motorola Semiconductor Products

138

SN74LS640DW

Motorola Semiconductor Products

Bus Transceiver, Single, 8 Bit, 20 Pin, Plastic, SOP

Part Number

Manufacturer

Description

Stock

SN74LS640DW

D# SN74LS640DW

Texas Instruments

Semiconductor

Part Number

Manufacturer

Description

Stock

SN74LS640DWR2

ON Semiconductor

Bus XCVR Single 8-CH 3-ST 20-Pin SOIC T/R

RoHS: Not Compliant

3000

SN74LS640DW

Texas Instruments

SN74LS640 Octal bus transceivers

RoHS: Compliant

5023

Part Number	Manufacturer	Description	Stock
SN74LS640DWR	Texas Instruments	OEM/CM ONLY	3782
SN74LS640DWG4	Texas Instruments	OEM/CM ONLY	63
SN74LS640DW	Texas Instruments	OEM/CM ONLY	3212

Part Number

Manufacturer

Description

Stock

SN74LS640DWR

Texas Instruments

Octal bus transceivers

SN74LS640DW

Texas Instruments

Octal bus transceivers

Part Number

Manufacturer

Description

Stock

SN74LS640DW

Texas Instruments

shipping today

Part Number

Manufacturer

Description

Stock

SN74LS640DWR

D# 31334612

Texas Instruments

Bus XCVR Single 8-CH 3-ST 20-Pin SOIC T/R

RoHS: Compliant

Part Number	Manufacturer	Description	Stock
SN74LS640DWR	Texas Instruments	RFQ	2343
SN74LS640DWRG4	Texas Instruments	RFQ	9953
SN74LS640DW	mfr	RFQ	5343
SN74LS640DWG4	Texas Instruments	RFQ	11179

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SN74LS640DW

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