This part is a kind of semiconductor called AP89042.
Function of this product has Voice OTP IC.
Manufacturers : APLUS Integrated Circuits
Image and pinout :

Some of the text within the PDF file :
Integrated Circuits Inc. A aP89042 PLUS MAKE YOUR PRODUCTION A-PLUS VOICE OTP IC aP89042 – 42sec ee DataSh 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 2.0 1 Feb 07, 2006 DataSheet4 U .com Integrated Circuits Inc. FEATURES l l l l l l l l Standard CMOS process. Embedded 1M EPROM. 42 Sec Voice Length at 6 KHz sampling and 4-bit ADPCM compression. Maximum 32 Voice Groups Combination of voice building blocks to extend playback d [ ... ]
AP89042 PDF Datasheet Download
