ISD1790PYI

Overview

The ISD1790PYI is a voice recording and playback integrated circuit manufactured by Nuvoton Technology Corporation. It supports up to 90 seconds of audio recording time. The component is available in a 28-pin Dual In-line Package (DIP) configuration, as indicated by specific manufacturer listings. It functions as a standalone voice IC designed for applications requiring direct voice capture and reproduction without external microprocessors.

Feature Summary

• Integrated voice recording and playback functionality within a single chip
• Supports approximately 90 seconds of total recording duration
• Available in a 28-pin DIP package format

Applications

• Voice message modules
• Simple audio prompting systems
• Educational toys with voice capabilities

Procurement Notes

Verify the package type carefully when ordering, as the ISD1790 series includes both SOIC and DIP variants. Confirm the suffix 'PYI' corresponds to the 28-pin DIP package rather than the SOIC option. Ensure compatibility with existing board layouts that require through-hole mounting. Check for RoHS compliance status if required by your manufacturing standards.

Selection Notes

Select this component when a simple, low-cost solution for short-duration voice recording is needed. It is suitable for designs that do not require complex digital signal processing or large storage capacities. Consider the 90-second limit against your application's audio length requirements before finalizing the design.

Part Context

This part belongs to the ISD1790 family of voice record/playback ICs from Nuvoton. These components are designed for straightforward voice applications, offering a balance between cost and functionality. The family typically includes variations with different recording times and package options to suit diverse hardware constraints.