ISD2532/40/48/64 is a single-chip, multiple-messages, voice record/playback device from Winbond, providing high-quality solutions for 32- to 64-second messaging applications.
The ISD2532/40/48/64 series from Winbond provides a single‑chip solution for voice record and playback applications with durations of 32, 40, 48 or 64 seconds. The device integrates an on‑chip oscillator, microphone pre‑amplifier, AGC, filters, speaker amplifier and a high‑density multilevel storage array, allowing zero‑power message storage.
Key features include a 5 V supply, ultra‑low standby current, long‑term data retention, high record‑cycle endurance, multiple packaging options, and temperature ranges suitable for both die and package operation. The datasheet also supplies pin descriptions, timing diagrams, electrical characteristics, and typical application circuits.
| Supply Voltage | 5 V |
|---|---|
| Standby Current | 1 µA (typical) |
| Message Retention | 100 years (typical) |
| Record Cycles | 100,000 (typical) |
| Temperature Range (die) | 0 °C to +50 °C |
| Packaging Options | Die, PDIP, SOIC, TSOP |
The device operates from a single 5 V power supply.
The standby current is 1 µA typical.
It is rated for 100,000 record cycles typical.
It is offered in die form, PDIP, SOIC and TSOP packages.