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W28J800 Datasheet

  • W28J800

  • FLASH

  • 51頁(yè)

  • ETC

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W28J800B/T
8M(512K
脳
16/1M
脳
8)
BOOT BLOCK FLASH MEMORY
Table of Contents-
1. GENERAL DESCRIPTION.................................................................................................................. 3
2. FEATURES ......................................................................................................................................... 3
3. PRODUCT OVERVIEW ...................................................................................................................... 4
4. BLOCK DIAGRAM .............................................................................................................................. 5
Block Organization ........................................................................................................................... 6
5. PIN CONFIGURATION ....................................................................................................................... 6
6. PIN DESCRIPTION ............................................................................................................................. 7
7. PRINCIPLES OF OPERATION........................................................................................................... 8
Data Protection ................................................................................................................................ 8
8. BUS OPERATION ............................................................................................................................. 10
Read............................................................................................................................................... 10
Output Disable ............................................................................................................................... 10
Standby .......................................................................................................................................... 10
Reset .............................................................................................................................................. 10
Read Identifier Codes .................................................................................................................... 11
OTP (One Time Program) Block.................................................................................................... 12
Write ............................................................................................................................................... 13
9. COMMAND DEFINITIONS................................................................................................................ 14
Read Array Command ................................................................................................................... 16
Read Identifier Codes Command................................................................................................... 16
Read Status Register Command ................................................................................................... 16
Clear Status Register Command ................................................................................................... 17
Block Erase Command .................................................................................................................. 17
Full Chip Erase Command ............................................................................................................. 17
Word/Byte Write Command ........................................................................................................... 18
Block Erase Suspend Command ................................................................................................... 18
Word/Byte Write Suspend Command ............................................................................................ 19
Set Block and Permanent Lock-bit Commands ............................................................................. 19
Clear Block Lock-bits Command.................................................................................................... 20
OTP Program Command ............................................................................................................... 21
Block Locking by the #WP ............................................................................................................. 21
Publication Release Date: October 31, 2002
Revision A3
-1-

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