The SN74ALS621A-1NSRE4 is a high-performance, bi-directional octal bus transceiver from Texas Instruments, designed to facilitate the transfer of data between two buses of a digital system. This integrated circuit is part of the Advanced Low-Power Schottky (ALS) series, which combines the speed of Schottky TTL with lower power consumption, making it ideal for interfacing with memory, microprocessors, and other digital systems where high-speed, bidirectional data flow is essential.

Key Features:

• Logic Type: Bi-Directional Transceiver
• Number of Bits per Element: 8
• Number of Elements: 1
• Operating Temperature Range: 0°C to 70°C
• Supply Voltage: 4.5V to 5.5V
• Logic Family: ALS
• Mounting Type: Surface Mount
• Package / Case: SOIC-20
• Output Current: High/Low -24mA/24mA

Product Description:

The SN74ALS621A-1NSRE4 features two sets of eight bidirectional data paths, which are designed to drive heavily loaded buses with up to 48 mA of bus-driving capability. Each byte has separate control inputs which can be shorted together for full 8-bit operation, enhancing the flexibility of the device. The functionality of the SN74ALS621A-1NSRE4 includes bus hold on the data inputs, which eliminates the need for external pull-up or pull-down resistors and ensures that the inputs do not float when the bus is not being driven.

With a wide operating temperature range and the ability to interface with 5V logic signals, this bus transceiver is suitable for a broad spectrum of applications. The device's packaging is a slim, small-outline integrated circuit, which is ideal for space-constrained applications.

As a product of Texas Instruments, a leader in semiconductor solutions, the SN74ALS621A-1NSRE4 is manufactured with high standards to ensure reliability and performance. It is commonly used in data communication, networking, and industrial systems that require robust and efficient data transfer capabilities.

Applications:

• Data Communication
• Networking Equipment
• Industrial Control Systems
• Microprocessor or Microcontroller Interface