SN74HC244DWR

Buffers, Drivers, Receivers, Transceivers Overview

The SN74HC244DWR is an octal buffer and line driver featuring three-state outputs, manufactured by Texas Instruments. It operates within a supply voltage range of 2V to 6V and supports a maximum operating temperature of 125°C. The device provides high-current outputs capable of driving up to 15 LSTTL loads, with ±6mA drive capability at 5V. Typical propagation delay is 11ns, while maximum static current consumption is 80µA. It utilizes a 20-pin SOIC package for surface mount applications.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• High-current outputs designed to drive bus lines or buffer memory address registers
• Organized as two independent 4-bit buffers with separate output-enable inputs
• Standard CMOS inputs requiring termination to VCC or GND to prevent oscillations

Buffers, Drivers, Receivers, Transceivers Applications

• Servers
• LED Displays
• Network Switches
• Telecom Infrastructure
• Motor Drivers

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'DWR' corresponds to the SOIC-20 package and tape-and-reel carrier format. Confirm the operating temperature range meets system requirements, noting revisions may update the maximum rating to 125°C. Ensure ESD handling protocols are followed during installation due to CMOS sensitivity.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component for bus-oriented receivers and transmitters requiring high-density buffering. It is suitable for improving performance in memory address drivers and clock drivers. Consider the 3-state output capability for managing multiple devices on shared data buses without contention.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SNx4HC244 family of octal buffers and line drivers. It is designed to enhance the performance and density of digital systems. The device functions as a non-inverting buffer where outputs follow input states when enabled, providing isolation and signal integrity for high-speed logic circuits.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74HC244DW

Buffers, Drivers, Receivers, Transceivers FAQ

How are unused inputs handled?

Unused inputs must be terminated at VCC or GND. Floating standard CMOS inputs can cause excessive power consumption and oscillations.

What is the function of the OE pins?

The Output Enable (OE) pins control the state of the outputs. When low, the device passes data; when high, outputs enter a high-impedance state.