EN
  • EN
  • DE
loading
Mfr. Part No. Qty. Price

No items in the cart

View Cart
Same model may have multiple batches, images only for reference.
SN74LS640DWR Real Image
Same model may have multiple batches, images only for reference.

SN74LS640DWR

Part No SN74LS640DWR
Manufacturer Texas Instruments
Catalog Logic - Buffers, Drivers, Receivers, Transceivers
Description IC BUS/TXRX 3ST OCTAL 20SOIC
Datasheet
SN74LS640DWR Datasheet
Sample
Rohs State rohs
ECAD Module
Need Help

Products specifications Report Issue?

Categories Integrated Circuits
Manufacturer Texas Instruments
Packaging Reel - TR
Status Active
Logic Type Transceiver, Inverting
Number of Elements 1
Number of Bits per Element 8
Output Type Push-Pull
Current - Output High, Low 15mA, 24mA
Supply Voltage - Operating 4.75 V to 5.25 V
Temperature Range - Operating 0°C to 70°C (TA)
Mounting SMD (SMT)
Case / Package 20-SOIC
Win Source Part Number 128810-SN74LS640DWR
Popularity Medium
Supply and Demand Status Balance
Ultra Librarian 3D Model Ultra Librarian SN74LS640DWR CAD Model

Description

The SN74LS640DWR is a high-performance, technologically advanced integrated circuit developed by Texas Instruments, a leading global semiconductor company.

  • Function: Octal bus transceiver
  • Output: 3-state output
  • Feature: Bidirectional data flow
  • Flip-Flops: D-type flip-flops
  • Operating Voltage Range: 4.75V to 5.25V
  • Propagation Delay Time: 18 ns
  • Operating Temperature Range: 0 to 70 degrees Celsius
  • Technology: Low-power Schottky (LS)
  • Package: Surface-mount SOIC package
  • RoHS Compliant: Yes

You May Also Be Interested in

PI74LPT16245AC Pericom
PI74LPT16245AC
Pericom
Lowest to $1.4079
PI74FCT245TQE Real Image
PI74FCT245TQE
Diodes Incorporated
IC TRANSCEIVER 8BIT N-INV 20QSOP
Need more? Email Us
SN74LVC1G17DRLRG4 Real Image
SN74LVC1G17DRLRG4
Texas Instruments
SINGLE SCHMITT TRIGGER BUFFER
Lowest to $0.1180
PI74VCX16244A Real Image
PI74VCX16244A
Diodes Incorporated
IC BUFF DVR TRI-ST 16BIT 48TSSOP
Lowest to $15.5740
CD74HC365M96 Real Image
CD74HC365M96
Texas Instruments
High Speed CMOS Logic Hex Buffer/Line Driver, Three-State Non-Inverting and Inverting
Lowest to $1.8298
PI74STX1G126TX Pericom
PI74STX1G126TX
Pericom
Need more? Email Us
PI74LCX16245AE Real Image
PI74LCX16245AE
Diodes Incorporated
IC 16BIT BIDIR TXRX 3.3V 48TSSOP
Lowest to $0.9196
PI74STX1G126C8 Pericom
PI74STX1G126C8
Pericom
Need more? Email Us
SN74LVC244ANSR Real Image
SN74LVC244ANSR
Texas Instruments
OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
Lowest to $0.6429

Top Sellers

RTL8211FI-CG real image16071
RTL8211FI-CG
Realtek
INTEGRATED 10/100/1000M ETHERNET TRANSCEIVER
Lowest to $2.4354
PI3740-00-LGIZ real image
PI3740-00-LGIZ
Vicor Corporation
DC DC CONVERTER 10-50V / 8V – 60VIN , 10V – 50VOUT , 50 – 140W Cool-Power ZVS Buck-Boost Regulator
Lowest to $32.0752
74HC595D,118 label picture
74HC595D,118
Nexperia USA Inc.
Counter Shift Registers 8-bit serial-in, serial or parallel-out shift register with output latches; 3 - state
Lowest to $0.1049
PE4312C-Z label picture
PE4312C-Z
Peregrine Semiconductor
RF ATTENUATOR 31.5DB 50OHM 20QFN
Lowest to $2.2891
SSD1963QL9 real image6483
SSD1963QL9
Solomon
LCD Display Controller 128-Pin LQFP Tray
Lowest to $4.1579
NTA4153NT1G real image4110
NTA4153NT1G
ON Semiconductor
MOSFET N-CH 20V 915MA SOT-416
Lowest to $0.0543
FT4232HL real image4446
FT4232HL
FTDI, Future Technology Devices International Ltd
IC USB HS QUAD UART/SYNC 64-LQFP
Lowest to $14.1369
AR8033-AL1A real image2016
AR8033-AL1A
Atheros
Ethernet TXRX Single Chip 1-Port 3.3V 10Mbps/100Mbps/1000Mbps 48-Pin QFN EP Tray
Lowest to $2.6071
ICM-42605 real image24295
ICM-42605
TDK InvenSense
IMU ACCEL/GYRO/TEMP I2C/SPI LGA
Lowest to $10.2166
BAS516 Real Image
BAS516
Nexperia USA Inc.
DIODE GEN PURP 100V 250MA SOD523
Lowest to $0.0713
FT230XS-R real image4301
FT230XS-R
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16SSOP
Lowest to $5.8211
TPSM63606RDLR Real Image
TPSM63606RDLR
Texas Instruments
DC DC CONVERTER 1-16V / Non-Isolated PoL Module DC DC Converter 1 Output 1 ~ 16V 6A 3V - 36V Input
Lowest to $13.0101
ULN2803ADWR real image9675
ULN2803ADWR
Texas Instruments
TRANS 8NPN DARL 50V 0.5A 18SO
Lowest to $5.4647
FT4232HL-REEL real image4451
FT4232HL-REEL
FTDI, Future Technology Devices International Ltd
IC USB HS QUAD UART/SYNC 64-LQFP
Lowest to $14.1369
FT230XQ-R real image21397
FT230XQ-R
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16QFN
Lowest to $5.9399

Pricing & Ordering

Quantity Unit Price Ext. Price
13+ $4.0305 $52.3965
31+ $3.3071 $102.5201
47+ $3.2037 $150.5739
65+ $3.1004 $201.5260
84+ $2.9970 $251.7480
112+ $2.6870 $300.9440
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
Estimate Shipping
Enter your destination to get a shipping estimate
*
Availability: 268 pieces
MOQ: 13 pcs
Order Increment : 1 pcs
*Need More Quantity? *Request a Bulk Quantity Quotation?
Ordering Guidelines

Shipping Information

Shipped from HK warehouse
Expected Shipping Date
Ship today if order in (HKT)
Supplier Lead-Time Call for availability
Estimate shipping fee
Enter your destination to get a shipping estimate
Estimate Shipping Fee

Contact Us

*
*
*

FRAUD PREVENTION REMINDERS

Recently, We have discovered that criminals falsely claimed to be WIN SOURCE to commit fraud. Please note that the only official website & email suffix are win-source.group, win-source.net, winsourcectl.com and winsourceelec.com

More details about fraud prevention
About Us
Customer Service
Solutions
Copyright © 2026 WIN SOURCE. All rights reserved.
For detailed contact information and office addresses in our key locations, including Irvine, Munich, Toronto, Singapore, Seoul, Bangalore, Bologna, Yamanashi, Hong Kong, and Mainland China, please visit our website.
Trust Guard Security Scanned
RFQ RFQ RFQ BOM BOM BOM API API API Sell Sell Sell your Excess