ISD MicroTAD Product Brief Single-Chip Voice Record/Playback Device 16-Minute Duration T he MicroTAD(R) ChipCorder(R) product provides Recordings are stored in on-chip non-volatile high quality, low power, single-chip record/playback memory cells, providing zero-power message stor- solutions for 16-minute messaging applications such age. This unique, single-chip solution is made possi- as Telephone Answering Devices (TAD), Personal ble through ISD's patented multilevel storage Digital Assistants (PDA) and Personal Digital technology. Voice and audio signals are stored Recorders (PDR) and PBX applications. The directly into memory in their natural form, provid- CMOS-based devices include an on-chip ing high quality, solid state voice reproduction. oscillator, anti-aliasing filter, smoothing filter, AutoMute(R) feature, audio amplifier and high-density multilevel Flash storage array that requires battery power to record and playback messages. The MicroTAD product is designed to be ISD MicroTAD CAN BE USED IN VARIOUS APPLICATIONS: used in a microprocessor- or microcontroller based * Telephone Answering Devices (TAD) system. Address and control are accomplished * Personal Digital Assistants (PDA) through a Serial Peripheral Interface (SPI) or * Portable Digital Recorders (PDR) Microwire serial interface to minimize pin count. * PBX/voicemail F E AT U R E S * No A/C power adapter or battery back up is required * Microcontroller Serial Peripheral Interface (SPI) or Microwire serial interface * ONLY battery power required to operate * Fully addressable to handle multiple messages * No codecs required * Non-volatile message storage * No external memory required * Power consumption controlled by SPI or Microwire control register * Single-chip voice record/playback solution * Low-power consumption * Operating current: ICC Play = 15mA (typical) ICC Rec = 25mA (typical) * Team with caller ID and C, enables caller ID announce and multiple, customized outgoing messages (OGM) for specific incoming calls * Cascade for longer durations * Standby current 1 A (typical) * 100-year message retention (typical) * Single-chip 16-minute duration * 100K record cycles (typical) * High quality, natural voice/audio reproduction * On-chip clock source * AutoMute feature provides background noise attenuation during periods of silence * Available in die form, PDIP, SOIC and TSOP packaging * No speech compression algorithm development required ISD MicroTAD Single-Chip Voice Record/Playback Device 16-Minute Duration I S D M i c r o TA D B L O C K D I A G R A M Internal Clock Timing XCLK Sampling Clock ANA IN- 5-Pole Active Antialiasing Filter Amp 5-Pole Active Smoothing Filter Analog Transceivers Decoders ANA IN+ 3840K Cell Nonvolatile Multilevel Storage Array AutoMute Feature AUDOUT Amp Power Conditioning Device Control VCCA VSSA VSSA VSSA VSSD VCCD I S D M i c r o TA D P R O D U C T O R D E R I N G T H E MOSI MISO INT IN P UT SAMPLE RATE (KHz) 3840 4.0 M i c r o TA D RAC AM CAP I S D M i c r o TA D T E M P E R AT U R E D EN SITY ( k cells ) 16 minutes I S D SS P O R T F O L I O D U R ATIO N ISD MicroTAD-16M SCLK P R O D U C T P A C K A G E A V A I L A B I L I T Y A N D ISD Micro TAD Commercial Die/Consumer Packaged (0 to +50) TSOP PDIP SOIC DIE * * * * P R O D U C T S ISD MicroTAD-16ME Package Type E P S X = = = = 28 Lead 8 x 14.4mm TSOP 28 Lead 0.600-inch PDIP 28 Lead 0.300-inch SOIC Die To Order Products or More Information: A D D R E S S P H O N E 2727 N. First Street San Jose, CA 95134 1-800-677-0769 (US Only) 408-943-6666 408-544-1786 (Fax) W E B S I T E e - m a i l www.isd.com info@isd.com ISD, ChipCorder, MicroTAD and AutoMute are registered trademarks of ISD. All other trademarks are properties of their respective owners. Printed in the U.S.A. ISDMicroTADPB1-799