SN74ALS641A-1NS Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The SN74ALS641A-1NS is an inverting octal bus transceiver with open-collector outputs in a 20-pin SOIC package. Operates at 5.5V with ALS logic family performance for bidirectional bus communication. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- SN74ALS641A-1NS Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SN74ALS641A-1NS?
- Inverting 8-bit bus transceiver enables bidirectional data flow with polarity inversion
- Open-collector outputs allow wired-AND bus configurations and flexible logic interfacing
- ALS logic family delivers fast switching speeds with low power consumption versus standard TTL
- 20-SOIC package provides through-hole density with surface-mount convenience for board designs
What is SN74ALS641A-1NS used for?
The SN74ALS641A-1NS is well suited for bidirectional data bus interfaces in microprocessor systems, memory bus expansion, and industrial control applications requiring signal inversion. Its open-collector outputs make it ideal for wired-AND bus architectures and multi-master bus systems. The device is commonly deployed in telecommunications equipment, test instrumentation, and embedded systems needing reliable ALS-speed bus transceivers.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the SN74ALS641A-1NS datasheet?
SN74ALS641A-1NS Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SN74ALS641A-1NS?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the supply voltage for the SN74ALS641A-1NS?
The SN74ALS641A-1NS operates at a supply voltage of 5V with an absolute maximum rating of 5.5V, compatible with standard TTL and ALS logic families used in legacy and modern digital systems.
How many bits does the SN74ALS641A-1NS support?
The SN74ALS641A-1NS is an 8-bit (octal) transceiver with one element per package, providing eight bidirectional inverting channels in a single 20-pin SOIC component to handle a full byte-wide data bus.
What output type does the SN74ALS641A-1NS use?
The SN74ALS641A-1NS features open-collector outputs, which allow multiple devices to share the same bus line via wired-AND logic without bus contention, ideal for multi-master communication architectures.
What package is the SN74ALS641A-1NS available in?
The SN74ALS641A-1NS comes in a 20-pin Small Outline Integrated Circuit (SOIC) package with a 1.27mm pitch, offering a compact surface-mount form factor suitable for high-density PCB designs in embedded systems.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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