EN25B64 Datasheet, PDF (5/37 Pages) Eon Silicon Solution Inc. – 64 Megabit Serial Flash Memory with Boot and Parameter Sectors

EN25B64
MEMORY ORGANIZATION
The memory is organized as:
z 8,388,608 bytes
z Flexible Sector Architecture
Two 4-Kbyte, one 8-Kbyte, one 16-Kbyte, one 32-Kbyte, and one hundred twenty-seven
64-Kbyte sectors
z Bottom or top boot configurations
z 32768 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
131
130
129
128
127
126
125
124
123
122
121
120
119
118
117
116
115
114
113
112
111
110
109
108
107
106
105
104
103
102
101
100
99
98
97
SECTOR SIZE (KByte)
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
64
64
64
64
Address range
7F0000h – 7FFFFFh
7E0000h – 7EFFFFh
7D0000h – 7DFFFFh
7C0000h – 7CFFFFh
7B0000h – 7BFFFFh
7A0000h – 7AFFFFh
790000h – 79FFFFh
780000h – 78FFFFh
770000h – 77FFFFh
760000h – 76FFFFh
750000h – 75FFFFh
740000h – 74FFFFh
730000h – 73FFFFh
720000h – 72FFFFh
710000h – 71FFFFh
700000h – 70FFFFh
6F0000h – 6FFFFFh
6E0000h – 6EFFFFh
6D0000h – 6DFFFFh
6C0000h – 6CFFFFh
6B0000h – 6BFFFFh
6A0000h – 6AFFFFh
690000h – 69FFFFh
680000h – 68FFFFh
670000h – 67FFFFh
660000h – 66FFFFh
650000h – 65FFFFh
640000h – 64FFFFh
630000h – 63FFFFh
620000h – 62FFFFh
610000h – 61FFFFh
600000h – 60FFFFh
5F0000h – 5FFFFFh
5E0000h – 5EFFFFh
5D0000h – 5DFFFFh
This Data Sheet may be revised by subsequent versions
5
or modifications due to changes in technical specifications.
©2004 Eon Silicon Solution, Inc., www.essi.com.tw
Rev. C, Issue Date: 2008/06/23