GENERAL DESCRIPTION

Information Storage Devices’ ISD1000A Chip Corder? Series provides high-quality, single-chip record/playback solutions for 16- and 20-second messaging applications. The CMOS devices include an on-chip oscillator, microphone pream plifier, automatic gain control, antialiasing filter, smoothing filter, and speaker amplifier. In addition, the ISD1000A Series is fully microprocessor compatible, allowing complex messaging and addressing to be achieved.

FEATURES

? Easy-to-use single-chip voice Record/Play back solution

? High-quality, natural voice/audio reproduction

? Manual switch or microcontroller compatible

– Playback can be edge- or level activated

? Single-chip durations of 16 and 20 seconds

? Directly cascadable for longer durations

? Power-down mode

–1 μA standby current (typical)

? Zero-power message storage

– Eliminates battery backup circuits

? Fully addressable to handle multiple messages

? 100-year message retention (typical)

? 100,000 record cycles (typical)

? On-chip clock source

? No algorithm development required

? Single +5 volt supply

? Available in die form, DIP, and SOIC packaging

? Industrial temperature (-40°C to +85°C) version available