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ACE25C400G Datasheet(PDF) 6 Page - ACE Technology Co., LTD.

Part # ACE25C400G
Description  Uniform SECTOR Dual and Quad Serial Flash
PDF  39 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  ACE [ACE Technology Co., LTD.]
Direct Link  http://www.ace-ele.com
Logo ACE - ACE Technology Co., LTD.

ACE25C400G Datasheet(HTML) 6 Page - ACE Technology Co., LTD.

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ACE25C400G
Uniform SECTOR Dual and Quad Serial Flash
VER 1.5
6
Data Protection
The ACE25C400G provide the following data protection methods:
 Write Enable (WREN) command: The WREN command is set the Write Enable Latch bit (WEL).
The WEL bit will return to reset by the following situation:
-Power-Up
-Write Disable (WRDI)
-Write Status Register(WRSR)
-Page Program (PP)
-Sector Erase (SE) / Block Erase (BE) / Chip Erase (CE)
 Software Protection Mode: The Block Protect (SEC, TB, BP2, BP1, BP0) bits define the section
of the memory array that can be read but not change.
 Hardware Protection Mode: WP# going low to protected the BP0~SEC bits and SRP0~1 bits.
 Deep Power-Down Mode: In Deep Power-Down Mode, all commands are ignored except the
Release from deep Power-Down Mode command.
Table1.0 ACE25C400G Protected area size (CMP=0)
Status Register Content
Memory Content
SEC
TB
BP2
BP1
BP0
Blocks
Addresses
Density
Portion
X
X
0
0
0
NONE
NONE
NONE
NONE
0
0
0
0
1
7
070000H-07FFFFH
64KB
Upper 1/8
0
0
0
1
0
6 and 7
060000H-07FFFFH
128KB
Upper 1/4
0
0
0
1
1
4 to 7
040000H-07FFFFH
256KB
Upper 1/2
0
1
0
0
1
0
000000H-00FFFFH
64KB
Upper 1/8
0
1
0
1
0
0 and 1
000000H-01FFFFH
128KB
Upper 1/4
0
1
0
1
1
0 to 3
000000H-03FFFFH
256KB
Upper 1/2
0
X
1
X
X
0 to 7
000000H-07FFFFH
512KB
All
1
0
0
0
1
7
07F000H-07FFFFH
4KB
Upper 1/128
1
0
0
1
0
7
07E000H-07FFFFH
8KB
Upper 1/64
1
0
0
1
1
7
07C000H-07FFFFH
16KB
Upper 1/32
1
0
1
0
X
7
078000H-07FFFFH
32KB
Upper 1/16
1
0
1
1
0
7
078000H-07FFFFH
32KB
Upper 1/16
1
1
0
0
1
0
000000H-000FFFH
4KB
Upper 1/128
1
1
0
1
0
0
000000H-001FFFH
8KB
Upper 1/64
1
1
0
1
1
0
000000H-003FFFH
16KB
Upper 1/32
1
1
1
0
X
0
000000H-007FFFH
32KB
Upper 1/16
1
1
1
1
0
0
000000H-007FFFH
32KB
Upper 1/16
1
X
1
1
1
0 to 7
000000H-07FFFFH
512KB
All



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