W39V040FC Datasheet, PDF (1/36 Pages) Winbond – 512K × 8 CMOS FLASH MEMORY WITH FWH INTERFACE

W39V040FC Data Sheet
512K × 8 CMOS FLASH MEMORY
WITH FWH INTERFACE
Table of Contents-
1. GENERAL DESCRIPTION .............................................................................................................. 3
2. FEATURES ...................................................................................................................................... 3
3. PIN CONFIGURATIONS.................................................................................................................. 4
4. BLOCK DIAGRAM ........................................................................................................................... 5
5. PIN DESCRIPTION.......................................................................................................................... 6
6. FUNCTIONAL DESCRIPTION......................................................................................................... 7
6.1 Interface Mode Selection and Description ............................................................................ 7
6.2 Read (Write) Mode ................................................................................................................ 7
6.3 Reset Operation .................................................................................................................... 7
6.4 Accelerated Program Operation............................................................................................ 7
6.5 Boot Block Operation and Hardware Protection at Initial- #TBL & #WP............................... 7
6.6 Sector/Page Erase Command............................................................................................... 8
6.7 Program Operation................................................................................................................ 8
6.8 Hardware Data Protection ..................................................................................................... 8
6.9 Write Operation Status .......................................................................................................... 8
6.10 DQ7: #Data Polling................................................................................................................ 9
6.11 RY/#BY: Ready/#Busy .......................................................................................................... 9
6.12 DQ6: Toggle Bit ..................................................................................................................... 9
6.13 DQ5: Exceeded Timing Limits............................................................................................. 10
6.14 Identification Input pin ID[3:0].............................................................................................. 10
7. REGISTER FOR FWH MODE ....................................................................................................... 11
7.1 General Purpose Inputs Register for FWH Mode ............................................................... 11
7.2 Product Identification Registers........................................................................................... 11
7.3 Block Locking Registers ...................................................................................................... 11
7.4 Register Based Block Locking Value Definitions Table ...................................................... 12
7.5 Read Lock ........................................................................................................................... 12
7.6 Write Lock............................................................................................................................ 12
7.7 Lock Down........................................................................................................................... 12
8. TABLE OF OPERATING MODES ................................................................................................. 13
8.1 Operating Mode Selection - Programmer Mode ................................................................. 13
8.2 Operating Mode Selection - FWH Mode ............................................................................. 13
8.3 FWH Cycle Definition .......................................................................................................... 13
8.4 TABLE OF COMMAND DEFINITION ................................................................................. 14
9. EMBEDDED PROGRAMMING ALGORITHM ............................................................................... 15
10. EMBEDDED ERASE ALGORITHM ............................................................................................... 16
11. EMBEDDED #DATA POLLING ALGORITHM ............................................................................... 17
Publication Release Date: Apr. 11, 2006
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Revision A1