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ISD4002SERIES Datasheet

  • ISD4002SERIES

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ISD4002 Series
Single-Chip Voice Record/Playback Devices
120-, 150-, 180-, and 240-Second Durations
GENERAL DESCRIPTION
The ISD4002 ChipCorder
廬
products provide high-
quality, 3-volt, single-chip record/playback solu-
tions for 2- to 4-minute messaging applications
ideal for cellular phones and other portable prod-
ucts. The CMOS-based devices include an on-
chip oscillator, anti-aliasing filter, smoothing filter,
AutoMute鈩?feature, audio amplifier, and high
density, multilevel Flash storage array. The
ISD4002 series is designed to be used in a micro-
processor- 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鈥檚 patented multilevel storage
technology. Voice and audio signals are stored
directly into solid-state memory in their natural
form, providing high-quality voice reproduction.
Figure: ISD4002 Series Block Diagram
June 2000
ISD/Winbond 路 2727 North First Street, San Jose, CA 95134 路 TEL: 408/943-6666 路 FAX: 408/544-1787 路 http://www.isd.com

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