This Data Sheet may be revised by subsequent versions

©2004 Eon Silicon Solution, Inc.,

www.eonssi.com.

or modifications due to changes in technical specifications.

5

EN25P64

Rev. D, Issue Date: 2009/1/8

MEMORY ORGANIZATION

The memory is organized as:

8,388,608 bytes

Uniform Sector Architecture

One hundred twenty-eight 64-Kbyte sectors

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 2 Block Sector Architecture

Sector

SECTOR SIZE (KByte)

Address range

127

64

7F0000h – 7FFFFFh

126

64

7E0000h – 7EFFFFh

125

64

7D0000h – 7DFFFFh

124

64

7C0000h – 7CFFFFh

123

64

7B0000h – 7BFFFFh

122

64

7A0000h – 7AFFFFh

121

64

790000h – 79FFFFh

120

64

780000h – 78FFFFh

119

64

770000h – 77FFFFh

118

64

760000h – 76FFFFh

117

64

750000h – 75FFFFh

116

64

740000h – 74FFFFh

115

64

730000h – 73FFFFh

114

64

720000h – 72FFFFh

113

64

710000h – 71FFFFh

112

64

700000h – 70FFFFh

111

64

6F0000h – 6FFFFFh

110

64

6E0000h – 6EFFFFh

109

64

6D0000h – 6DFFFFh

108

64

6C0000h – 6CFFFFh

107

64

6B0000h – 6BFFFFh

106

64

6A0000h – 6AFFFFh

105

64

690000h – 69FFFFh

104

64

680000h – 68FFFFh

103

64

670000h – 67FFFFh

102

64

660000h – 66FFFFh

101

64

650000h – 65FFFFh

100

64

640000h – 64FFFFh

99

64

630000h – 63FFFFh

98

64

620000h – 62FFFFh

97

64

610000h – 61FFFFh

96

64

600000h – 60FFFFh

95

64

5F0000h – 5FFFFFh

94

64

5E0000h – 5EFFFFh

93

64

5D0000h – 5DFFFFh

92

64

5C0000h – 5CFFFFh

91

64

5B0000h – 5BFFFFh