SN74LS640-1N

Part No :: SN74LS640-1N

Manufacturer: Texas Instruments

VIGOR # :: 3808491

Description: IC TXRX INVERT 5.25V 20DIP

Catalog: Logic - Buffers, Drivers, Receivers, Transceivers

DataSheet: SN74LS640-1N PDF

Country of origin: -

Date code: -

SN74LS640-1N Specifications

Type	Description
Series:	74LS
Package:	Tube
Part Status:	Active
Logic Type:	Transceiver, Inverting
Number of Elements:	1
Number of Bits per Element:	8
Input Type:	-
Output Type:	3-State
Current - Output High, Low:	15mA, 48mA
Voltage - Supply:	4.75V ~ 5.25V
Operating Temperature:	0°C ~ 70°C (TA)
Mounting Type:	Through Hole
Package / Case:	20-DIP (0.300", 7.62mm)
Supplier Device Package:	20-PDIP

Alternative Products

Part Number	Manufacturer & Description	Compare
SN74ALS540-1N Match 100%	VIGOR IC BUFFER INVERT 5.5V 20DIP	SN74LS640-1N vs SN74ALS540-1N
SN74ALS541-1NG4 Match 100%	Texas Instruments IC BUF NON-INVERT 5.5V 20DIP	SN74LS640-1N vs SN74ALS541-1NG4
SN74ALS541-1N Match 100%	VIGOR IC BUFFER NON-INVERT 5.5V 20DIP	SN74LS640-1N vs SN74ALS541-1N
SN74LS645-1N Match 100%	Texas Instruments IC TXRX NON-INVERT 5.25V 20DIP	SN74LS640-1N vs SN74LS645-1N
DM74AS245N Match 100%	Sanyo Semiconductor/ON Semiconductor IC TXRX NON-INVERT 5.5V 20DIP	SN74LS640-1N vs DM74AS245N

Please confirm the specifications of the products when ordering.
MOQ means the minimum order quantity required to purchase each parts.
If you have special order instructions,please note it on the ordering pages.
The Pre-Shipment Inspection (PSI) will be applied.
You can email us to change the order details before shipment.
Orders cannot be canceled after shipping the packages.

TT in advance (bank transfer), Credit Card, PayPal can be chosen.
Cash transfer only. (Transfer with checks and bills are not accepted.)
Customer is responsible for paying all possible charges,including sales tax, VAT and customs charges,etc.
If you need the detailed invoice or tax ID,please email us.

FedEx, DHL, and UPS can be selected.
You can select whether to charge shipping fee by your shipping account or to charge by our side.
Please confirm with the logistics company in advance if you are in a remote area. (It may cost extra fees (35-50 USD) for delivery at those areas.)
The shopping cart will automatically calculate the shipping cost.
Delivery time: At the same day (Order deadline is 2pm, HK Time).
Delivery date: usually 2 to 7 working days.
It is unable to appoint a date of delivery.
Tracking number will be sent once your order has been shipped. (It may take up to 24 hours before carriers display the info.)

In Stock: 225

Shipped from

HK warehouse

Expected Shipping Date

Jul 26 - Jul 30 2026

Pricing(USD)

Quantity	Unit Price	Ext. Price
1	~~$2.1400~~	~~$2.14~~
20	~~$1.9202~~	~~$38.40~~
40	~~$1.8116~~	~~$72.46~~
100	~~$1.5434~~	~~$154.34~~
500	~~$1.2681~~	~~$634.06~~
1000	~~$1.0507~~	~~$1 050.72~~
2500	~~$0.9783~~	~~$2 445.65~~
5000	~~$0.9420~~	~~$4 710.10~~

Current price of SN74LS640-1N is for reference only, if you want to get best price, please submit a inquiry or direct email to our sales team sales@Vigorcomp.com

Hot Products

NL17SZ125EDFT2G

IC BUFFER NON-INVERT 5.5V SC88A

CY74FCT16244ATPACT

IC BUF NON-INVERT 5.5V 48TSSOP

SN74BCT2410DW

BUS DRIVER, BCT/FBT SERIES

SN74LS640-1N

SN74LS640-1N

3808491

Pricing(USD)