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W39V080A Datasheet, PDF (1/34 Pages) Winbond – 1M × 8 CMOS FLASH MEMORY WITH LPC INTERFACE
W39V080A Data Sheet
Table of Contents-
1M × 8 CMOS FLASH MEMORY
WITH LPC 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 Dual BIOS ....................................................................................................................... 6
6.8 Hardware Data Protection .............................................................................................. 6
6.9 Write Operation Status ................................................................................................... 7
7. TABLE OF OPERATING MODES ............................................................................................ 10
7.1 Operating Mode Selection - Programmer Mode........................................................... 10
7.2 Operating Mode Selection - LPC Mode........................................................................ 10
7.3 Standard LPC Memory Cycle Definition ....................................................................... 10
8. TABLE OF COMMAND DEFINITION ....................................................................................... 11
8.1 Embedded Programming Algorithm ............................................................................. 12
8.2 Embedded Erase Algorithm.......................................................................................... 13
8.3 Embedded #Data Polling Algorithm.............................................................................. 14
8.4 Embedded Toggle Bit Algorithm ................................................................................... 15
8.5 Software Product Identification and Boot Block Lockout Detection Acquisition Flow .. 16
9. DC CHARACTERISTICS.......................................................................................................... 17
9.1 Absolute Maximum Ratings .......................................................................................... 17
9.2 Programmer interface Mode DC Operating Characteristics......................................... 17
9.3 LPC interface Mode DC Operating Characteristics...................................................... 18
9.4 Power-up Timing........................................................................................................... 18
10. CAPACITANCE......................................................................................................................... 18
11. PROGRAMMER INTERFACE MODE AC CHARACTERISTICS............................................. 19
Publication Release Date: Dec. 28, 2005
-1-
Revision A4