W39V080FA Data Sheet
1M
×
8 CMOS FLASH MEMORY
WITH FWH INTERFACE
Table of Contents-
1.
2.
3.
4.
5.
6.
GENERAL DESCRIPTION ......................................................................................................... 3
FEATURES ................................................................................................................................. 3
PIN CONFIGURATIONS............................................................................................................. 4
BLOCK DIAGRAM ...................................................................................................................... 4
PIN DESCRIPTION..................................................................................................................... 4
FUNCTIONAL DESCRIPTION.................................................................................................... 5
6.1
Interface Mode Selection and Description...................................................................... 5
6.2
Read (Write) Mode ......................................................................................................... 5
6.3
Reset Operation.............................................................................................................. 5
6.4
Accelerated Program Operation ..................................................................................... 5
6.5
Boot Block Operation and Hardware Protection at Initial- #TBL & #WP ........................ 5
6.6
Sector Erase Command ................................................................................................. 6
6.7
Program Operation ......................................................................................................... 6
6.8
Dual BIOS ....................................................................................................................... 6
6.9
Hardware Data Protection .............................................................................................. 6
6.10 Write Operation Status ................................................................................................... 7
6.10.1
6.10.2
6.10.3
6.10.4
DQ7: #Data Polling.........................................................................................................7
RY/#BY: Ready/#Busy ...................................................................................................7
DQ6: Toggle Bit ..............................................................................................................7
DQ5: Exceeded Timing Limits ........................................................................................8
6.11
6.12
Identification Input pin ID[3:0] ......................................................................................... 8
Register........................................................................................................................... 8
6.12.1
6.12.2
6.12.3
General Purpose Inputs Register ...................................................................................8
Block Locking Registers .................................................................................................8
Product Identification Registers ....................................................................................10
Operating Mode Selection - Programmer Mode ...........................................................11
Operating Mode Selection - FWH Mode.......................................................................11
6.13
Table of Operating Modes ............................................................................................ 11
6.13.1
6.13.2
7.
6.14 Fwh Cycle Definition ..................................................................................................... 12
6.15 Embedded Programming Algorithm.............................................................................. 13
6.16 Embedded Erase Algorithm.......................................................................................... 14
6.17 Embedded #Data Polling Algorithm.............................................................................. 15
6.18 Embedded Toggle Bit Algorithm ................................................................................... 16
6.19 Software Product Identification and Boot Block Lockout Detection Acquisition Flow .. 17
DC CHARACTERISTICS .......................................................................................................... 18
7.1
Absolute Maximum Ratings .......................................................................................... 18
7.2
Programmer interface Mode DC Operating Characteristics......................................... 18
7.3
FWH interface Mode DC Operating Characteristics..................................................... 19
7.4
Power-up Timing........................................................................................................... 19
7.5
Capacitance .................................................................................................................. 19
Publication Release Date: Dec. 13, 2005
Revision A5
-1-
WINBOND [ WINBOND ]
