EN25P40 Datasheet, PDF (4/31 Pages) Eon Silicon Solution Inc. – 4 Mbit Uniform Sector, Serial Flash Memory

EN25P40
MEMORY ORGANIZATION
The memory is organized as:
z 524,288 bytes
z Uniform Sector Architecture
Eight 64-Kbyte sectors
z 2048 pages (256 bytes each)
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 2. Block Sector Architecture
Sector
7
6
5
4
3
2
1
0
SECTOR SIZE (KByte)
64
64
64
64
64
64
64
64
Address range
70000h – 7FFFFh
60000h – 6FFFFh
50000h – 5FFFFh
40000h – 4FFFFh
30000h – 3FFFFh
20000h – 2FFFFh
10000h – 1FFFFh
00000h – 0FFFFh
This Data Sheet may be revised by subsequent versions
4
or modifications due to changes in technical specifications.
©2004 Eon Silicon Solution, Inc., www.essi.com.tw
Rev. D, Issue Date: 2006/12/25