
W19B160BT/B DATA SHEET
Publication Release Date:Apr. /20/2009
- 1 -
Revision A9
-Table of Contents-
1.
GENERAL DESCRIPTION ......................................................................................................... 4
2.
FEATURES ................................................................................................................................. 4
3.
PIN CONFIGURATIONS ............................................................................................................ 6
4.
BLOCK DIAGRAM ...................................................................................................................... 7
5.
PIN DESCRIPTION..................................................................................................................... 8
6.
FUNCTIONAL DESCRIPTION ................................................................................................... 9
6.1
DEVICE BUS OPERATION............................................................................................ 9
6.1.1
Word/Byte Configuration ..................................................................................................9
6.1.2
Reading Array Data ..........................................................................................................9
6.1.3
Writing Commands/Command Sequences.......................................................................9
6.1.4
Program and Erase Operation Status...............................................................................9
6.1.5
Standby Mode ..................................................................................................................9
6.1.6
Automatic Sleep Mode ...................................................................................................10
6.1.7
#RESET: Hardware Reset Pin........................................................................................10
6.1.8
Output Disable Mode......................................................................................................10
6.1.9
Auto-select Mode............................................................................................................10
6.1.10
Sector Protection and Un-protection.............................................................................11
6.1.11
Temporary Sector Unprotect ........................................................................................11
6.1.12
Hardware Data Protection ............................................................................................11
6.1.13
Write Pulse “Glitch” Protection .....................................................................................11
6.1.14
Logical Inhibit ...............................................................................................................11
6.1.15
Power-Up Write Inhibit..................................................................................................11
6.2
COMMAND DEFINITIONS ........................................................................................... 12
6.2.1
Reading Array Data ........................................................................................................12
6.2.2
Reset Command.............................................................................................................12
6.2.3
Auto-select Command Sequence ...................................................................................12
6.2.4
Byte/Word Program Command Sequence......................................................................13
6.2.5
Chip Erase Command Sequence ...................................................................................13
6.2.6
Sector Erase Command Sequence ................................................................................13
6.2.7
Unlock Bypass Command Sequence .............................................................................14
6.3
WRITE OPERATION STATUS..................................................................................... 14
6.3.1
DQ7: #Data Polling.........................................................................................................14
6.3.2
RY/#BY: Ready/#Busy ...................................................................................................15
6.3.3
DQ6: Toggle Bit..............................................................................................................15