W28J161B/T
16M(1M × 16)
BOOT BLOCK FLASH MEMORY
Table of Contents-
1. GENERAL DESCRIPTION.................................................................................................................. 3
2. FEATURES ......................................................................................................................................... 3
3. PRODUCT OVERVIEW ...................................................................................................................... 4
4. BLOCK DIAGRAM .............................................................................................................................. 5
Block Organization........................................................................................................................... 5
5. PIN CONFIGURATIONS..................................................................................................................... 6
6. PIN DESCRIPTION............................................................................................................................. 6
7. PRINCIPLES OF OPERATION........................................................................................................... 7
Data Protection ................................................................................................................................ 7
8. BUS OPERATION............................................................................................................................... 9
Read................................................................................................................................................. 9
Output Disable ................................................................................................................................. 9
Standby ............................................................................................................................................ 9
Reset................................................................................................................................................ 9
Read Identifier Codes .................................................................................................................... 10
Write............................................................................................................................................... 11
9. COMMAND DEFINITIONS................................................................................................................ 11
Read Array Command ................................................................................................................... 13
Read Identifier Codes Command................................................................................................... 13
Read Status Register Command ................................................................................................... 13
Clear Status Register Command ................................................................................................... 14
Block Erase Command .................................................................................................................. 14
Full Chip Erase Command............................................................................................................. 14
Word Write Command.................................................................................................................... 15
Block Erase Suspend Command................................................................................................... 15
Word Write Suspend Command .................................................................................................... 16
Set Block and Permanent Lock-Bit Commands............................................................................. 16
Clear Block Lock-Bits Command ................................................................................................... 17
Block Locking by the #WP ............................................................................................................. 17
Publication Release Date: November 18, 2002
- 1 -
Revision A3
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