IS22C022X

IS22C022 VERSATILE 20 SEC INSTANT VOICE ROM FEATURES • Minimum 20 second voice length at 6 KHz • Versatile features for playback • Combination of voice building blocks extends the duration of playback • Voice data re-use saves memory space • Four trigger pins, S1 to S4 for eight groups • SBT for sequential play-all or random play • Holdable and unholdable, edge and level triggering option • 15 ms debounce time suitable for CDS • IRP interrupt pin for master reset • Three programmable output pins for STP Stop Pulse, BUSY Signal, and LED • Built-in oscillator with variable sample rate • Single external resistor to determine sample rate • Built-in D/A converter, EPROM • ADPCM data compression provides high sound quality • Optional pop noise elimination function • COUT pin drives speaker with a transistor • VOUT1 and VOUT2 drives buzzer or speaker directly • Auto-power down • 2.4V-6V single power supply operation • Low standby current ( 130. 2. SP = 8Ω. 1/4W. 3. Piezo buzzer resonant frequency = 1 KHz. Integrated Silicon Solution, Inc. — 1-800-379-4774 Rev. A 11/15/99 9 IS22C022 CDS APPLICATION ISSI ROSC CDS OSC Vcc SP COUT R SBT IRP GND ® 8-SEGMENT TRIGGER APPLICATION SW8 ROSC SW5 SW1 SW6 SW2 Vcc SP OSC S1 S2 COUT R SW7 SW3 SW4 S3 S4 GND 10 Integrated Silicon Solution, Inc. — 1-800-379-4774 Rev. A 11/15/99 IS22C022 ORDERING INFORMATION Commerical Range: 0°C to +70°C Order Part No. IS22C022X IS22C022P Package Unpackaged 300-mil Plastic DIP ISSI ® NOTICE Integrated Silicon Solution, Inc., reserves the right to make changes to the products contained in this publication in order to improve design, performance or reliability. Integrated Silicon Solution, Inc. assumes no responsibility for the use of any circuits described herein, conveys no license under any patent or other right, and makes no representation that the circuits are free of patent infringement. Charts and schedules contained herein reflect representative operating parameters, and may vary depending upon a user's specific application. While the information in this publication has been carefully checked, Integrated Silicon Solution, Inc. shall not be liable for any damages arising as a result of any error or omission. Integrated Silicon Solution, Inc. does not recommend the use of any of its products in life support applications where the failure or malfunction of the product can reasonably be expected to cause failure of the life support system or to significantly affect its safety or effectiveness. Products are not authorized for use in such applications unless Integrated Silicon Solution, Inc. receives written assurances, to its satisfaction, that: (a) the risk of injury or damage has been minimized; (b) the user assumes all such risks; and (c) potential liability of Integrated Silicon Solution, Inc. is adequately protected under the circumstances. Copyright 1999 Integrated Silicon Solution, Inc. Reproduction in whole or in part, without the prior written consent of Integrated Silicon Solution, Inc., is prohibited. ISSI ® Integrated Silicon Solution, Inc. 2231 Lawson Lane Santa Clara, CA 95054 Tel: 1-800-379-4774 Fax: (408) 588-0806 E-mail: sales@issi.com www.issi.com Integrated Silicon Solution, Inc. — 1-800-379-4774 Rev. A 11/15/99 11