W25M321AV

W25M321AV Featuring SERIAL MCP FLASH MEMORY With Multi I/O SPI & Concurrent Operations 3V 32M-bit Serial NOR Flash Memory & 3V 1G-bit Serial NAND Flash Memory Publication Release Date: December 13,, 2016 Preliminary – Revision A W25M321AV Table of Contents 1. GENERAL DESCRIPTIONS............................................................................................................. 2 2. FEATURES....................................................................................................................................... 3 3. PACKAGE TYPES AND PIN CONFIGURATIONS .......................................................................... 4 3.1 Pad Configuration WSON 8x6-mm ...................................................................................... 4 3.2 Pad Description WSON 8x6-mm.......................................................................................... 4 4. DEVICE CONFIGURATION & PIN DESCRIPTIONS....................................................................... 5 4.1 Serial MCP (SpiStack®) Device Configuration ..................................................................... 5 4.2 Chip Select (/CS).................................................................................................................. 5 4.3 Serial Input & Output (DI, DO and IO0, IO1, IO2, IO3) ........................................................ 5 4.4 Serial Clock (CLK) ...................................................................................