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.
SN74LS640-1N Real Image
Same model may have multiple batches, images only for reference.

SN74LS640-1N

Part No SN74LS640-1N
Manufacturer Texas Instruments
Catalog Logic - Buffers, Drivers, Receivers, Transceivers
Description IC OCT BUS TXRX 3ST 20SO
Datasheet
SN74LS640-1N 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-SO
Win Source Part Number 042768-SN74LS640-1N
Popularity Medium
Supply and Demand Status Limited
Ultra Librarian 3D Model Ultra Librarian SN74LS640-1N CAD Model

Description

The SN74LS640-1N is a high-performance integrated circuit device manufactured by the globally recognized company, Texas Instruments.

  • Function: Octal bus transceiver
  • Output: 3-state outputs
  • Feature: Bi-directional
  • Power Supply: 5V power supply
  • Power Consumption: Low power consumption
  • Noise Immunity: High noise immunity
  • Power-off Condition: Maintain high impedance in the power-off condition
  • Package: 20-pin DIP package
  • Operating Temperature Range: Wide temperature range

You May Also Be Interested in

Picture of 54FCT240TLB
54FCT240TLB
IDT, Integrated Device Technology Inc
IC BUFFER INVERTING 5.5V 20-LCC
Need more? Email Us
CD74FCT623M Texas Instruments – Price, Stock & Datasheet
CD74FCT623M
Texas Instruments
IC TXRX NON-INVERT 5.25V 20-SOIC
Need more? Email Us
74AHCT240PW,118 Nexperia USA Inc. – Price, Stock & Datasheet
74AHCT240PW,118
Nexperia USA Inc.
IC BUFFER INVERT 5.5V 20-TSSOP
Need more? Email Us
74LVTH125PW,118 Nexperia USA Inc. – Price, Stock & Datasheet
74LVTH125PW,118
Nexperia USA Inc.
IC BUFF NON-INVERT 3.6V 14-TSSOP
Need more? Email Us
Picture of 54FCT16244TEB
54FCT16244TEB
IDT, Integrated Device Technology Inc
IC BUFF NON-INVRT 5.5V 48CERPACK
Need more? Email Us
MC74LVX125DG ON Semiconductor – Price, Stock & Datasheet
MC74LVX125DG
ON Semiconductor
IC BUFF NON-INVERT 3.6V 14-SOIC
Need more? Email Us
NCA8541-DTSTR NOVOSENSE – Price, Stock & Datasheet
NCA8541-DTSTR
NOVOSENSE
8BIT, 3-STATE OUTPUTS BUFFER
Need more? Email Us
NCA8245-DTSTR NOVOSENSE – Price, Stock & Datasheet
NCA8245-DTSTR
NOVOSENSE
8BIT, 3-STATE OUTPUTS BUFFER
Need more? Email Us
MC74LVX50DG ON Semiconductor – Price, Stock & Datasheet
MC74LVX50DG
ON Semiconductor
IC BUFF NON-INVERT 3.6V 14-SOIC
Need more? Email Us

Top Sellers

BM06B-GHS-TBT(LF)(SN)(N) Real Image2
BM06B-GHS-TBT(LF)(SN)(N)
JST Sales America Inc.
CONN HEADER SMD 6POS 1.25MM
Lowest to $0.4985
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
FT4232HL-REEL real image4451
FT4232HL-REEL
FTDI, Future Technology Devices International Ltd
IC USB HS QUAD UART/SYNC 64-LQFP
Lowest to $13.0677
FT230XQ-R real image21397
FT230XQ-R
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16QFN
Lowest to $6.2963
RTL8211FI-CG real image16071
RTL8211FI-CG
Realtek
INTEGRATED 10/100/1000M ETHERNET TRANSCEIVER
Lowest to $2.4354
BMI160 real image
BMI160
Bosch Sensortec
IMU ACCEL/GYRO I2C/SPI 14LGA / Accelerometer, Gyroscope, 6 Axis Sensor I2C, SPI Output
Lowest to $3.8016
FT230XS-U real image21586
FT230XS-U
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16SSOP
Lowest to $6.4151
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
CY7C68013A-128AXC Real Image
CY7C68013A-128AXC
Cypress Semiconductor Corp
IC MCU USB PERIPH HI SPD 128LQFP
Lowest to $18.8657
LM5069MM-2/NOPB real image1604
LM5069MM-2/NOPB
Texas Instruments
IC CTRLR HOT SWAP 48V 10-MSOP
Lowest to $2.3760
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 $13.0677
BMI088 real image23913
BMI088
Bosch Sensortec
ACCELEROMETER 16LGA / Accelerometer, Gyroscope, 6 Axis Sensor I2C, SPI Output
Lowest to $9.5038
ULN2803ADWR real image9675
ULN2803ADWR
Texas Instruments
TRANS 8NPN DARL 50V 0.5A 18SO
Lowest to $4.7519
FT232RL-REEL Real Image
FT232RL-REEL
FTDI, Future Technology Devices International Ltd
IC USB FS SERIAL UART 28-SSOP
Lowest to $5.9399

Pricing & Ordering

Quantity Unit Price Ext. Price
10+ $5.1642 $51.6420
24+ $4.2373 $101.6952
37+ $4.1049 $151.8813
51+ $3.9725 $202.5975
66+ $3.8400 $253.4400
88+ $3.4428 $302.9664
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
Estimate Shipping
Enter your destination to get a shipping estimate
*
Availability: 20 pieces
MOQ: 10 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