ISD1790PY

Overview

The ISD1790PY is a voice recording and playback integrated circuit manufactured by Nuvoton Technology Corporation. It supports up to 90 seconds of recording time. The component is available in multiple package configurations, including a 28-pin SOIC format and a 28-pin DIP variant. These packages facilitate integration into various electronic designs requiring audio storage capabilities.

Feature Summary

• Integrated voice recording and playback functionality within a single chip
• Supports approximately 90 seconds of audio duration
• Available in surface-mount SOIC and through-hole DIP package options

Applications

• Voice message modules
• Audio greeting devices
• Simple voice-controlled systems

Procurement Notes

Verify the specific suffix (e.g., PYI01) against official Nuvoton documentation to confirm the exact package type and pinout configuration. Ensure compatibility with the target PCB footprint before procurement. Cross-reference datasheets for voltage and interface requirements.

Selection Notes

Select this component when a dedicated solution for short-duration voice storage is required without complex microcontroller programming. Consider the available package types (SOIC vs. DIP) based on assembly methods. Verify that the 90-second capacity meets the application's audio length requirements.

Part Context

This part belongs to the ISD series of voice recorders. While Winbond also lists similar part numbers, Nuvoton is the designated manufacturer for this specific model identifier. The series provides standalone voice recording solutions.