ISD1400 SERIES
1. GENERAL DESCRIPTION
Winbond’s ISD1400 ChipCorder® series provide high-quality, single-chip, Record/Playback solutions
to short-duration messaging applications. The CMOS devices include an on-chip oscillator,
microphone preamplifier, automatic gain control, anti-aliasing filter, smoothing filter, and speaker
amplifier. A minimum Record/Playback subsystem can be configured with a microphone, a speaker,
several passive components, two push buttons and a power source. Recordings are stored into on-
chip non-volatile memory cells, providing zero-power message storage. This unique, single-chip
solution is made possible through Winbond’s patented Multi-Level Storage (MLS) technology. Voice
and audio signals are stored directly into memory in their natural form, providing high-quality, solid-
state voice reproduction.
2. FEATURES
• Single +5 volt power supply
• Duration: 14 and 20 seconds.
• Easy-to-use single-chip, voice record/playback solution
• High-quality, natural voice/audio reproduction
• Manual switch or microcontroller compatible Playback can be edge- or level-activated
• Directly cascadable for longer durations
• Automatic power-down (push-button mode)
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Standby current 1 µA (typical)
• Zero-power message storage
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Eliminates battery backup circuits
• Fully addressable to handle multiple messages
• 100-year message retention (typical)
• 100,000 record cycles (typical)
• On-chip oscillator
• Programmer support for play-only applications
• Packaged types: Leaded and Lead-Free
• Available in die, PDIP and SOIC
• Temperature:
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Commercial - Packaged unit : 0°C to 70°C, Die : 0°C to 50°C
Industrial - Packaged unit : -40°C to 85°C
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Publication Release Date: November 16, 2005
Revision 1.3
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