W74M32FVSSIQ

W74M32FV 3V 32M-BIT SERIAL FLASH MEMORY WITH DUAL/QUAD SPI & SECURE AUTHENTICATION Publication Release Date: November 18, 2016 - 0 - Preliminary - Revision B W74M32FV Table of Contents GENERAL DESCRIPTIONS ............................................................................................................. 3 FEATURES ....................................................................................................................................... 3 PACKAGE TYPES AND PIN CONFIGURATIONS .......................................................................... 4 Pin Configuration SOIC 208-mil ........................................................................................... 4 Pad Configuration WSON 6x5-mm ...................................................................................... 4 Pin Description SOIC 208-mil, WSON 6x5-mm ................................................................... 4 PIN DESCRIPTIONS ........................................................................................................................ 5 Chip Select (/CS) .................................................................................................................. 5 Serial Data Input, Output and IOs (DI, DO and IO0, IO1, IO2, IO3) .................................... 5 Serial Clock (CLK) ................................................................................................................ 5 BLOCK DIAGRAMS.......................................................................................................................... 6 Operation Diagram ............................................................................................................... 6 Functional Block Diagram .................................................................................................... 6 FUNCTIONAL DESCRIPTIONS ....................................................................................................... 7 Authentication Flash Operations .......................................................................................... 7 6.1.1 Authentication Flash Initialization ............................................................................................ 7 6.1.2 Authentication Flash Operation Flow ...................................................................................... 8 6.1.3 Operations Allowed / Disallowed to Authentication Flash ....................................................... 9 6.1.4 Authentication Flash Status Register Definition .................................................................... 10 Instruction Set Tables ......................................................................................................... 11 (1) 6.2.1 Instruction Set Table 2-1 (Authentication Flash Input Instruction, OP1) ............................. 11 (1) 6.2.2 Instruction Set Table 2-2 (Authentication Flash Output Instruction, OP2) .......................... 11 (1) 6.2.3 Instruction Set Table 2-3 (Authentication Flash Reset Instruction) .................................... 11 Instruction Descriptions ...................................................................................................... 12 6.3.1 Write Root Key Register (9Bh + 00h) .................................................................................... 12 6.3.2 Update HMAC Key (9Bh + 01h) ............................................................................................ 13 6.3.3 Increment Monotonic Counter (9Bh + 02h) ........................................................................... 14 6.3.4 Request Monotonic Counter (9Bh + 03h) ............................................................................. 15 6.3.5 Reserved Authentication Flash Device Commands (9Bh + 04h~FFh) .................................. 15 6.3.6 Read Authentication Flash Device Status / Data (96h) ......................................................... 16 6.3.7 Enable Reset (66h) and Reset Device (99h) ........................................................................ 17 (1) ELECTRICAL CHARACTERISTICS ............................................................................................ 18 (2) Absolute Maximum Ratings .......................................................................................... 18 Operating Ranges .............................................................................................................. 18 Power-Up Power-Down Timing and Requirements ........................................................... 19 (1,2) DC Electrical Characteristics ......................................................................................... 20 AC Measurement Conditions ............................................................................................. 21 (3,4) AC Electrical Characteristics ......................................................................................... 22 Serial Output Timing Diagram ............................................................................................ 24 Serial Input Timing Diagram ............................................................................................... 24 - 1 -