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EN25S20A Datasheet(PDF) 50 Page - Eon Silicon Solution Inc.

Part No. EN25S20A
Description  2 Megabit 1.8V Serial Flash Memory with 4Kbyte Uniform Sector
Download  65 Pages
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Maker  EON [Eon Silicon Solution Inc.]
Homepage  http://www.essi.com.tw
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EN25S20A Datasheet(HTML) 50 Page - Eon Silicon Solution Inc.

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This Data Sheet may be revised by subsequent versions
©2014 Eon Silicon Solution, Inc.,
www.eonssi.com
or modifications due to changes in technical specifications.
50
EN25S20A
Rev. A, Issue Date: 2014/01/16
Table 12. Parameter ID (0) (Advanced Information) 1/9
Description
Address (h)
(Byte Mode)
Address
(Bit)
Data
Comment
00
Block / Sector Erase sizes
Identifies the erase granularity for all Flash
Components
01
01b
00 = reserved
01 = 4KB erase
10 = reserved
11 = 64KB erase
Write Granularity
02
1b
0 = No, 1 = Yes
Write Enable Instruction Required for
Writing to Volatile Status Register
03
Write Enable Opcode Select for Writing to
Volatile Status Register
04
00b
00 = N/A
01 = use 50h opcode
11 = use 06h opcode
05
06
Unused
30h
07
111b
Reserved
08
09
10
11
12
13
14
4 Kilo-Byte Erase Opcode
31h
15
20h
4 KB Erase Support
(FFh = not supported)
Supports (1-1-2) Fast Read
Device supports single input opcode & address
and dual output data Fast Read
16
1b
0 = not supported
1 = supported
17
Address Byte
Number of bytes used in addressing for flash arra
write and erase.
18
00b
00 = 3-Byte
01 = 3- or 4-Byte (e.g.
defaults to 3-Byte
mode; enters 4-Byte
mode on command)
10 = 4-Byte
11 = reserved
Supports Double Transfer Rate (DTR)
Clocking
Indicates the device supports some type of
double transfer rate clocking.
19
0b
0 = not supported
1 = supported
Supports (1-2-2) Fast Read
Device supports single input opcode, dual input
address, and dual output data Fast Read
20
1b
0 = not supported
1 = supported
Supports (1-4-4) Fast Read
Device supports single input opcode, quad input
address, and quad output data Fast Read
21
1b
0 = not supported
1 = supported
Supports (1-1-4) Fast Read
Device supports single input opcode & address
and quad output data Fast Read
22
0b
0 = not supported
1 = supported
Unused
32h
23
1b
Reserved
24
25
26
27
28
29
30
Unused
33h
31
FFh
Reserved


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