EN25B16
MEMORY ORGANIZATION
The memory is organized as:
z
2,097,152 bytes
z
Flexible Sector Architecture
Two 4-Kbyte, one 8-Kbyte, one 16-Kbyte,one 32-Kbyte, and thirty one 64-Kbyte sectors
Bottom or top boot configurations
8192 pages (256 bytes each)
z
z
Each page can be individually programmed (bits are programmed from 1 to 0). The device is Sector or
Bulk Erasable but not Page Erasable.
Table 2a. Bottom Boot Block Sector Architecture
Sector
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
SECTOR SIZE (KByte)
Address range
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
32
16
8
1F0000h – 1FFFFFh
1E0000h – 1EFFFFh
1D0000h – 1DFFFFh
1C0000h – 1CFFFFh
1B0000h – 1BFFFFh
1A0000h – 1AFFFFh
190000h – 19FFFFh
180000h – 18FFFFh
170000h – 17FFFFh
160000h – 16FFFFh
150000h – 15FFFFh
140000h – 14FFFFh
130000h – 13FFFFh
120000h – 12FFFFh
110000h – 11FFFFh
100000h – 10FFFFh
0F0000h – 0FFFFFh
0E0000h – 0EFFFFh
0D0000h – 0DFFFFh
0C0000h – 0CFFFFh
0B0000h – 0BFFFFh
0A0000h – 0AFFFFh
090000h – 09FFFFh
080000h – 08FFFFh
070000h – 07FFFFh
060000h – 06FFFFh
050000h – 05FFFFh
040000h – 04FFFFh
030000h – 03FFFFh
020000h – 02FFFFh
010000h – 01FFFFh
008000h – 00FFFFh
004000h – 007FFFh
002000h – 003FFFh
001000h – 001FFFh
000000h – 000FFFh
8
7
6
5
4
3
2
1
4
4
0
This Data Sheet may be revised by subsequent versions
or modifications due to changes in technical specifications.
©2004 Eon Silicon Solution, Inc., www.essi.com.tw
5
Rev. E, Issue Date: 2007/06/07
ESMT [ ELITE SEMICONDUCTOR MEMORY TECHNOLOGY INC. ]
