EN25P20 Datasheet, PDF (4/32 Pages) Eon Silicon Solution Inc. – 2 Mbit Uniform Sector, Serial Flash Memory

EN25P20
MEMORY ORGANIZATION
The memory is organized as:
z 262,144 bytes
z Uniform Sector Architecture
Four 64-Kbyte sectors
z 1024 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
3
2
1
0
SECTOR SIZE (KByte)
64
64
64
64
Address range
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: 2007/05/07