Rochester SN54ALS643AJ

Manufacturer No:

SN54ALS643AJ

Manufacturer:

Rochester

Package:

Description:

DUAL Buffers 20 Pins

Quantity:

In Stock :9314

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Shipping & Availability

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

Shipped from：HK Warehouse

Expected Shipping：Fri, May 29 - Sat, May 30, 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.

SN54ALS643AJ Information

Rochester SN54ALS643AJ technical specifications, attributes, parameters and parts with similar specifications to Rochester SN54ALS643AJ.

Type
Parameter

Surface Mount
NO

Number of Terminations
20

Additional Feature
WITH DIRECTION CONTROL

HTS Code
8542.39.00.01

Technology
TTL

Terminal Position
DUAL

Terminal Form
THROUGH-HOLE

Number of Functions
1

Supply Voltage
5V

Terminal Pitch
2.54mm

Type
Parameter

Pin Count
20

JESD-30 Code
R-GDIP-T20

Operating Temperature (Max)
125°C

Operating Temperature (Min)
-55°C

Supply Voltage-Max (Vsup)
5.5V

Temperature Grade
MILITARY

Supply Voltage-Min (Vsup)
4.5V

Number of Ports
2

Number of Bits
8

Family
ALS

Download datasheets and manufacturer documentation for Rochester SN54ALS643AJ.

SN54ALS643AJ Overview

20 terminations with different functions. It reuqires a supply voltage of 5V. This electronic component belongs to the ALS family. 20 pins are set with the electrical part. Enhanced with 2 ports. To supply the digital buffer, a minimum voltage of 4.5V is a must. 8 efficient bits are included within the network transceiver. Buffer features WITH DIRECTION CONTROL to better serve the need. It is known as a BUS TRANSCEIVER logic IC. The high limit of ambient temperature for this logic buffer is 125°C. The bottom temp to go with the electronic component should be -55°C.