TI SN74LS645NE4

Manufacturer No:

SN74LS645NE4

Manufacturer:

Package:

PDIP

Description:

DUAL Buffers 20 Pins PDIP

Quantity:

In Stock :6912

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Shipping & Availability

Fast worldwide shipping via DHL, FedEx, UPS, and EMS.

Shipped from：HK Warehouse

Expected Shipping：Thu, May 7 - Fri, May 8, 2026

Lead Time：Inquire about availability

Date Code：Within 2 Years

Payment

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Authenticity Guarantee

All components supplied by Aichiplink are sourced from trusted global suppliers and verified through strict in-house inspection and quality control procedures.

Quality Assurance

Certified in-house inspection and testing facilities ensure all components meet internationally recognized quality standards.

User Guide

Aichiplink operates certified in-house inspection and testing facilities to ensure all electronic components meet internationally recognized quality and compliance standards. Our quality management system is verified through ISO 9001 certification and industry-standard inspection procedures.

PURCHASE

Please verify all part numbers, quantities, and packaging preferences before placing your order. If substitutions are acceptable, please indicate this clearly. For time-sensitive projects, confirm estimated delivery dates and stock availability in advance. Once submitted, changes or cancellations may not be possible, especially for items marked as non-cancellable/non-returnable (NCNR). For international shipments, please ensure all import documentation is complete and accurate to avoid delays.

MEANS OF PAYMENT

For your convenience, we accept multiple payment methods in USD, including PayPal, Credit Card, and Wire Transfer. Net terms may be available for qualified customers upon approval.

RFQ (REQUEST FOR QUOTATIONS)

Please ensure the part numbers and quantities are accurate and complete when submitting your RFQ.
Provide target prices and acceptable alternatives, if any, to speed up the quotation process.

IMPORTANT NOTICE

Quotations are subject to stock availability and may vary with market conditions. Prices and lead times are not guaranteed until a purchase order is confirmed. Ensure your contact details are correct to avoid delays in response.

Step1：Prepare product

Step2：Desiccant Protection

Step3：Vacuum Packaging

Step4：Individual Package

Step5：Anti-collision Filling

Step6：Packaging Box

SHIPPING COST

1. Shipping starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).
2. Some specific products need to reach the minimum order quantity.
3. It may cost additional remote fees for delivery if you are in a remote area.

SHIPPING METHOD

Currently, our products are shipped through DHL, FedEx, SF, and UPS.

DELIVERY TIME

1. Once the goods are shipped, estimated delivery time depends on the shipping methods you chose: FedEx International, 5-7 business days.
2. For in-stock parts, orders normally could be shipped out within 1-2days.

SN74LS645NE4 Information

TI SN74LS645NE4 technical specifications, attributes, parameters and parts with similar specifications to TI SN74LS645NE4.

Type
Parameter

Lifecycle Status
ACTIVE (Last Updated: 4 days ago)

Mount
Through Hole

Package / Case
PDIP

Number of Pins
20

Weight
1.1991g

Packaging
Rail/Tube

JESD-609 Code
e4

Pbfree Code
yes

Moisture Sensitivity Level (MSL)
1 (Unlimited)

Number of Terminations
20

Type
Parameter

Terminal Finish
Nickel/Palladium/Gold (Ni/Pd/Au)

Max Operating Temperature
70°C

Min Operating Temperature
0°C

Additional Feature
WITH DIRECTION CONTROL

Subcategory
Bus Driver/Transceivers

Technology
TTL

Terminal Position
DUAL

Peak Reflow Temperature (Cel)
260

Number of Functions
1

Supply Voltage
5V

Download datasheets and manufacturer documentation for TI SN74LS645NE4.

SN74LS645NE4 Overview

Using a PDIP package makes it very easy to use. As you can see, this voltage buffer is packaged externally in the Rail/Tube package. Transceiver utilizes all 1 elements. There are 20 terminations on this ethernet transceiver, all of which perform different functions. 5V is required for its operation. This logical driver is a member of the LS family. The electric component has 20 pins. A total of Through Hole applications can be accommodated by logical driver. A total of 20 pins are present on digital buffer. With 2 ports, this logic device is enhanced. The type of Bus Driver/Transceivers buffer is is specifically Bus Driver/Transceivers. 5V power supplies are recommended. Users should apply 5V to the electronic part to ensure safe and stable operation in a circuit. As part of the electronic component, there are 8 efficient bits that are included. As a result, automotive buffer features WITH DIRECTION CONTROL to better meet the customer's needs. For high-quality communication, this network transceiver has 8 channels. Under a temperature of 0°C, buffers can operate. Ambient temperatures should not exceed 70°C. When it is set to low-level output, voltage buffer outputs 15mA. It is possible for the electronic part to conduct 24mA of current when operating on high-level output mode. There should be a voltage at least of 4.75V used to run this buffer. As far as maximum supply voltage is concerned, it is rated at 5.25V. Bus transceivers such as this are called BUS TRANSCEIVER ICs. Using COMMON CONTROL control technology, the voltage buffer begins to operate.