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W39V040FB_07 Datasheet, PDF (1/34 Pages) Winbond – 512K × 8 CMOS FLASH MEMORY WITH FWH INTERFACE
W39V040FB Data Sheet
Table of Contents-
512K × 8 CMOS FLASH MEMORY
WITH FWH INTERFACE
1. GENERAL DESCRIPTION ......................................................................................................... 3
2. FEATURES ................................................................................................................................. 3
3. PIN CONFIGURATIONS ............................................................................................................ 4
4. BLOCK DIAGRAM ...................................................................................................................... 4
5. PIN DESCRIPTION..................................................................................................................... 4
6. FUNCTIONAL DESCRIPTION ................................................................................................... 5
6.1 Interface Mode Selection and Description..................................................................... 5
6.2 Read (Write) Mode ........................................................................................................ 5
6.3 Reset Operation............................................................................................................. 5
6.4 Boot Block Operation and Hardware Protection at Initial- #TBL & #WP ....................... 5
6.5 Sector Erase Command ................................................................................................ 6
6.6 Program Operation ........................................................................................................ 6
6.7 Hardware Data Protection ............................................................................................. 6
6.8 WRITE OPERATION STATUS...................................................................................... 6
7. REGISTER FOR FWH MODE .................................................................................................... 8
7.1 General Purpose Inputs Register for FWH Mode.......................................................... 8
7.2 Product Identification Registers..................................................................................... 8
7.3 Block Locking Registers ................................................................................................ 8
7.4 Register Based Block Locking Value Definitions Table ................................................ 9
7.5 Read Lock.................................................................................................................... 10
7.6 Write Lock .................................................................................................................... 10
7.7 Lock Down ................................................................................................................... 10
7.8 Product Identification Registers................................................................................... 10
8. TABLE OF OPERATING MODES ............................................................................................ 11
8.1 Operating Mode Selection - Programmer Mode.......................................................... 11
8.2 Operating Mode Selection - FWH Mode ..................................................................... 11
8.3 FWH Cycle Definition................................................................................................... 11
9. TABLE OF COMMAND DEFINITION ....................................................................................... 12
9.1 Embedded Programming Algorithm ............................................................................ 13
9.2 Embedded Erase Algorithm......................................................................................... 14
9.3 Embedded #Data Polling Algorithm............................................................................. 15
9.4 Embedded Toggle Bit Algorithm.................................................................................. 16
9.5 Software Product Identification and Boot Block Lockout Detection Acquisition Flow . 17
Publication Release Date: December 12, 2005
-1-
Revision A4