ISD5008 PRODUCT SUMMARY
The ISD5008 ChipCorder product is a fully-inte grated, single-chip solution which provides seamless integration of enhanced voice record and playback features for digital cellular phones (GSM, CDMA, TDMA, PDC, and PHS), automotive communications, GPS/navigation systems, and portable communication products. This low-power, 3-volt product enables customers to quickly and easily integrate 4 to 8 minutes of voice storage features such as one-way and two-way (full duplex) call record, voice memo record, and call screening/answering machine functionality.

ISD5008 FEATURES
FULLY-INTEGRATED SOLUTION
• Single-chip voice record/playback solution
• Integrated sampling clock, anti-aliasing and smoothing filters, and multi-level storage array
• Integrated analog features such as automatic
   gain control (AGC), audio gating switches,
   speaker driver (23mW with 8 ohm load),
   summing amplifiers, volume control, and an
   AUX IN/AUX OUT interface (e.g., for car kits).

LOW-POWER CONSUMPTION
• Single +3 volt supply
• Operating current:
   ICC Play = 15 mA (typical)
   ICC Rec = 25 mA (typical)
   ICC Feedthru = 12 mA (typical)
• Standby current: ISB = 1 µA
• Power consumption controlled by SPI or Microwire control register
• Most stages can be individually powered down for minimum power consumption

ENHANCED VOICE FEATURES
• One or two-way (full duplex) conversation record (record signal summation)
• One- or two-way (full duplex) message playback (while on a call)
• Voice memo record and playback
• Private call screening
• In-terminal answering machine
• Personalized outgoing message (given caller ID information from host chip set)
• Private call announce while on call (given CIDCW information from host chip set)

EASY-TO-USE AND CONTROL
• No compression algorithm development required
• User-controllable sample rates of 8.0 kHz, 6.4 kHz, 5.3 kHz, or 4.0 kHz providing up to 8 minutes of voice storage.
• Microcontroller SPI or Microwire™ Serial Interface
• Fully addressable to handle multiple messages in 1200 rows

HIGH QUALITY SOLUTION
• High quality voice and music reproduction
• ISD’s standard 100-year message retention (typical)
• 100,000 record cycles (typical)

OPTIONS
• Available in die form, PDIP, SOIC, TSOP, and chip scale packaging (CSP)
• Compact µBGA chip scale package available for portable applications
• Extended temperature (-20 to +70°C) and industrial temperature (-40 to +85°C) versions available