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EN25S20A Datasheet(PDF) 11 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) 11 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.
11
EN25S20A
Rev. A, Issue Date: 2014/01/16
Table 4B. Instruction Set (Read Instruction)
Instruction Name
Byte 1
Code
Byte 2
Byte 3
Byte 4
Byte 5
Byte 6
n-Bytes
Read Data
03h
A23-A16
A15-A8
A7-A0
(D7-D0)
(Next byte)
continuous
Fast Read
0Bh
A23-A16
A15-A8
A7-A0
dummy
(D7-D0)
(Next Byte)
continuous
Dual Output Fast
Read
3Bh
A23-A16
A15-A8
A7-A0
dummy
(D7-D0, …) (1)
(one byte
per 4 clocks,
continuous)
Dual I/O Fast Read
BBh
A23-A8(2)
A7-A0,
dummy (2)
(D7-D0, …) (1)
(one byte
per 4 clocks,
continuous)
Quad I/O Fast Read
EBh
A23-A0,
dummy (4)
(
dummy,
D7-D0 ) (5)
(D7-D0, …) (3)
(one byte
per 2 clocks,
continuous)
Set Burst
C0h
(D7-D0)
(6)
Read Burst with
wrap
0Ch
A23-A16
A15-A8
A7-A0
dummy
(D7-D0)
(Next Byte)
continuous
Notes:
1. Dual Output data
DQ0 = (D6, D4, D2, D0, ……)
DQ1 = (D7, D5, D3, D1, ……)
2. Dual Input Address
DQ0 = A22, A20, A18, A16, A14, A12, A10, A8 ; A6, A4, A2, A0, dummy 6, dummy 4, dummy 2, dummy 0
DQ1 = A23, A21, A19, A17, A15, A13, A11, A9 ; A7, A5, A3, A1, dummy 7, dummy 5, dummy 3, dummy 1
3. Quad Data
DQ0 = (D4, D0, …… )
DQ1 = (D5, D1, …… )
DQ2 = (D6, D2, …... )
DQ3 = (D7, D3, …... )
4. Quad Input Address
DQ0 = A20, A16, A12, A8, A4, A0, dummy 4, dummy 0
DQ1 = A21, A17, A13, A9, A5, A1, dummy 5, dummy 1
DQ2 = A22, A18, A14, A10, A6, A2, dummy 6, dummy 2
DQ3 = A23, A19, A15, A11, A7, A3, dummy 7, dummy 3
5. Quad I/O Fast Read Data
DQ0 = ( dummy 12, dummy 8, dummy 4, dummy 0, D4, D0, …… )
DQ1 = ( dummy 13, dummy 9, dummy 5, dummy 1, D5, D1, …… )
DQ2 = ( dummy 14, dummy 10, dummy 6, dummy 2, D6, D2, …… )
DQ3 = ( dummy 15, dummy 11, dummy 7, dummy 3, D7, D3, …… )
6. Set burst and Wrap Length
Table 5. Burst length configuration table
Data to setup
Burst length
Burst wrap (A[7:A0]) address range
xxxxxx00b
8 Bytes ( default)
00-07h, 08-0Fh, 10-17h, 18-1Fh...
xxxxxx01b
16 Bytes
00-0Fh, 10-1Fh, 20-2Fh, 30-3Fh...
xxxxxx10b
32 Bytes
00-1Fh, 20-3Fh, 40-5Fh, 60-7Fh...
xxxxxx11b
64 Bytes
00-3Fh, 40-7Fh, 80-BFh, C0-FFh
The data bit [7:2] are don't care, only [1:0] decodes 8/16/32/64 bytes length during Burst Read.


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