EN25S40A Datasheet, PDF (5/68 Pages) Eon Silicon Solution Inc. – 4 Megabit 1.8V Serial Flash Memory with 4Kbyte Uniform Sector

EN25S40A
MEMORY ORGANIZATION
The memory is organized as:
z 524,288 bytes
z Uniform Sector Architecture
16 blocks of 32-Kbyte
8 blocks of 64-Kbyte
128 sectors of 4-Kbyte
2048 pages (256 bytes each)
Each page can be individually programmed (bits are programmed from 1 to 0). The device is Sector,
Block or Chip Erasable but not Page Erasable.
Table 2. Uniform Block Sector Architecture
64KB Block 32KB Block
15
7
14
13
6
12
11
5
10
9
4
8
7
3
6
5
2
4
3
1
2
1
0
0
Sector
127
112
111
96
95
80
79
64
63
48
47
32
31
16
15
0
Address range
07F000h
07FFFFh
070000h
06F000h
070FFFh
06FFFFh
060000h
05F000h
060FFFh
05FFFFh
050000h
04F000h
050FFFh
04FFFFh
040000h
03F000h
040FFFh
03FFFFh
030000h
02F000h
030FFFh
02FFFFh
020000h
01F000h
020FFFh
01FFFFh
010000h
00F000h
010FFFh
00FFFFh
000000h
000FFFh
This Data Sheet may be revised by subsequent versions
5
or modifications due to changes in technical specifications.
©2013 Eon Silicon Solution, Inc.,
Rev. A, Issue Date: 2013/12/30
www.eonssi.com