EN25S20A Datasheet, PDF (5/65 Pages) Eon Silicon Solution Inc. – 2 Megabit 1.8V Serial Flash Memory with 4Kbyte Uniform Sector

EN25S20A
MEMORY ORGANIZATION
The memory is organized as:
z 262,144 bytes
z Uniform Sector Architecture
8 blocks of 32-Kbyte
4 blocks of 64-Kbyte
64 sectors of 4-Kbyte
1024 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
7
3
6
5
2
4
3
1
2
1
0
0
Sector
63
48
47
32
31
16
15
0
Address range
03F000h
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.
©2014 Eon Silicon Solution, Inc.,
Rev. A, Issue Date: 2014/01/16
www.eonssi.com