The ISD1964SYI from Nuvoton Technology Corporation is a voice record/playback Integrated Circuit with multiple-message capacity of 42.6 to 128 sec, pushbutton control, in a 28-SOIC package.
The ISD1964SYI01 from Nuvoton Technology Corporation is a multiple-message voice record/playback Integrated Circuit with a 42.6 to 128 Sec duration and pushbutton control, in a 28-SOIC package.