This part is a kind of semiconductor called aP89021.

Function of this product has (aP89010 / aP89021) Standard CMOS process.

Manufacturers : APLUS

Image and pinout :

Some of the text within the PDF file :

www.DataSheet.co.kr Integrated Circuits Inc. A aP89021/010 PLUS MAKE YOUR PRODUCTION A-PLUS VOICE OTP IC aP89021 – 21sec aP89010 – 10sec APLUS INTEGRATED CIRCUITS INC. Sales E-mail: Address: 3 F-10, No. 32, Sec. 1, Chenggung Rd., Taipei, Taiwan 115, R.O.C. (115)台北市南港區成功路一段 32 號 3 樓之 10. TEL: 886-2-2782-9266 FAX: 886-2-2782-9255 WEBSITE : http: //www.aplusinc.com.tw sales@aplusinc.com.tw Technology E-mail: service@aplusinc.com.tw Ver 2.2 1 May 31, 2007 Datasheet pdf - http://www.net/ www.DataSheet.co.kr Integrated Circuits Inc. FEATURES l l l l l l l l aP89021/010 l l l l l l l l l l Standard CMOS process. Embedded 512K/256K bits EPROM. 21/10 Sec Voice Length at 6 KHz sampling and 4-bit ADPCM compression. Maximum 12 voice groups. [ ... ]

aP89021 PDF Datasheet Download