SN74LV221AD

Overview

The SN74LV221AD is a dual monostable multivibrator manufactured by Texas Instruments, belonging to the LV logic series. It features Schmitt-trigger inputs and operates within a supply voltage range of 2 V to 5.5 V. The device is housed in a 16-pin SOIC package and supports surface-mount installation. It functions reliably across an operating temperature range from -40 °C to +85 °C.

Feature Summary

• Dual independent monostable multivibrator circuits
• Schmitt-trigger inputs for noise immunity
• Wide supply voltage operation

Applications

• Timing pulse generation
• Debouncing switches
• Pulse width modulation

Procurement Notes

Verify the exact suffix against official datasheets to confirm package type and temperature grade. Ensure compatibility with existing PCB footprints and voltage levels before integration.

Selection Notes

Select this component when dual independent timing channels are required. Verify that the Schmitt-trigger input characteristics meet system noise requirements. Confirm package availability matches assembly capabilities.

Part Context

Part of the Texas Instruments SN74LV family, designed for low-voltage digital applications. Provides reliable monostable functionality with Schmitt-trigger inputs for improved signal integrity in noisy environments.

Replacement Considerations

Check for pin-compatible alternatives within the same logic family. Verify electrical parameters match original design requirements before substitution.