包装：散装 描述：MAT DUAL LAYER SKY BLUE 24\ 静电控制，防静电，ESD，无尘室产品 静电控制接地垫，防静电垫

包装：散装 描述：8-IN DRIFT PUNCHES 工具 冲压机

4-Channel Speech Controller

INTRODUCTION SN66340 is a 340 seconds single chip 4-channel voice synthesizer IC which contains I/O ports and a tiny controller. By programming through the tiny controller, user’s applications including section combination, trigger modes, output status, high performance melody, multiple voices, a