EN25D16
MEMORY ORGANIZATION
The memory is organized as:
z
z
2,097,152 bytes
Uniform Sector Architecture
32 blocks of 64-Kbyte
512 sectors of 4-Kbyte
8192 pages (256 bytes each)
z
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
Block
31
Sector
511
Address range
1FF000
1FFFFF
496
495
1F0000
1EF000
1F0FFF
1EFFFF
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
480
479
1E0000
1DF000
1E0FFF
1DFFFF
464
463
1D0000
1CF000
1D0FFF
1CFFFF
448
447
1C0000
1BF000
1C0FFF
1BFFFF
432
431
1B0000
1AF000
1B0FFF
1AFFFF
416
415
200000
19F000
200FFF
19FFFF
400
399
190000
18F000
190FFF
18FFFF
384
383
180000
17F000
180FFF
17FFFF
368
367
170000
16F000
170FFF
16FFFF
352
351
160000
15F000
160FFF
15FFFF
336
335
150000
14F000
150FFF
14FFFF
320
319
140000
13F000
140FFF
13FFFF
304
303
130000
12F000
130FFF
12FFFF
288
287
120000
11F000
120FFF
11FFFF
272
271
110000
10F000
110FFF
10FFFF
256
100000
100FFF
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. B, Issue Date: 2008/06/23