Manufacturer Part Number
SN74LS642NS
Manufacturer
Texas Instruments
Introduction
The SN74LS642NS is an 8-bit, inverting, open-collector transceiver with three-state outputs. It features high-current drive capability, making it suitable for bus-oriented applications such as memory address drivers, peripheral drivers, and bus transceivers.
Product Features and Performance
8-bit transceiver design
Inverting logic
Open-collector outputs
High-current drive capability (100 μA output high, 24 mA output low)
Operates on a 4.75 V to 5.25 V power supply
Supports 0°C to 70°C operating temperature range
Surface mount 20-SOIC package
Product Advantages
Enables high-speed, high-current bus-oriented applications
Versatile design supports a wide range of system architectures
Efficient power consumption and thermal management
Key Reasons to Choose This Product
Robust performance and reliability for critical system components
Cost-effective solution for high-speed, high-current bus interfacing
Seamless integration with Texas Instruments' extensive portfolio of logic and interface devices
Quality and Safety Features
Designed and manufactured to Texas Instruments' high-quality standards
Undergoes rigorous testing and screening to ensure reliable operation
Compatibility
Compatible with a variety of digital logic families, including TTL and CMOS
Suitable for use in a wide range of electronic systems and applications
Application Areas
Memory address drivers
Peripheral drivers
Bus transceivers
General-purpose bus-oriented applications
Product Lifecycle
The SN74LS642NS is in the Last Time Buy phase, indicating it is nearing discontinuation.