EN25B05 Datasheet, PDF (4/30 Pages) Eon Silicon Solution Inc. – 512 Kbit Serial Flash Memory with Boot and Parameter Sectors

EN25B05
MEMORY ORGANIZATION
The memory is organized as:
z 65,536 bytes
z Flexible Sector Architecture
Two 4-Kbyte, one 8-Kbyte, one 16-Kbyte,one 32-Kbyte sectors
z Bottom or top boot configurations
z 256 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 2a. Bottom Boot Block Sector Architecture
Sector
4
3
2
1
0
SECTOR SIZE (KByte)
32
16
8
4
4
Address range
08000h – 0FFFFh
04000h – 07FFFh
02000h – 03FFFh
01000h – 01FFFh
00000h – 00FFFh
Table 2b. Top Boot Block Sector Architecture (Special order)
Sector
4
3
2
1
0
SECTOR SIZE (KByte)
4
4
8
16
32
Address range
0F000h – 0FFFFh
0E000h – 0EFFFh
0C000h – 0DFFFh
08000h – 0BFFFh
00000h – 07FFFh
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. B, Issue Date: 2006/12/26