A 16-minute 3-V analog storage and retrieval integrated circuit system using source-side injection flash technology

Abstract

A single-chip 3 V analog storage and retrieval system is reported utilizing source-side injection flash. It records 16 minutes of audio signals, at a sampling rate of 4 kHz, in a 4 Mb flash array with a resolution approaching 8-bit. The die size is 4.2/spl times/9.8 mm/sup 2/ and cell size is 4 /spl mu/m/sup 2/.