ISD4003-04MPY
Single-Chip Voice Record/Playback Devices 4-, 5-, 6-, and 8-Minute Durations
GENERAL DESCRIPTION
The ISD4003 ChipCorder®
Products provide highquality, 3-volt, single-chip Record/Playback solutions for 4- to 8-minute messaging applications
which are ideal for cellular phones and other portable products. The CMOS-based devices include
an on-chip oscillator, antialiasing filter, smoothing
filter, AutoMute™ feature, audio amplifier, and
high density, multilevel Flash storage array. The
ISD4003 series is designed to be used in a microprocessor- or microcontroller-based system. Address and control are accomplished through a
Serial Peripheral Interface (SPI) or Microwire Serial
Interface to minimize pin count
Recordings are stored in on-chip nonvolatile
memory cells, providing zero-power message
storage. This unique, single-chip solution is made
possible through ISD’s patented multilevel storage
technology. Voice and audio signals are stored
directly into memory in their natural form, providing
high-quality, solid-state voice reproduction.
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