參數(shù)資料
型號: SA25F020LENF
廠商: Electronic Theatre Controls, Inc.
元件分類: DRAM
英文描述: 4 Mbit Uniform Sector, Serial Flash Memory
中文描述: 4兆位統(tǒng)一部門,串行閃存
文件頁數(shù): 5/37頁
文件大小: 560K
代理商: SA25F020LENF
SA25F020 Advanced Information
SAIFUN
5
Memory Organization
The memory is organized in the following
manner:
=
=
262,144 bytes (8 bits each)
4 sectors (512 Kb, 65,536 bytes
each), as shown in Table 1
=
1024 pages (256 bytes each)
Each
programmed, with the bits programmed
from 1 to 0. The SA25F020's memory can
be erased via the Page, Sector or Bulk
Erase commands, with the bits erased
from 0 to 1.
page
can
be
individually
Table 1. Memory Organization
Sector
Address Range
3
30000h
3FFFFh
2
20000h
2FFFFh
1
10000h
1FFFFh
0
00000h
0FFFFh
H
W
V
G
S
S
S
C
PS
SRAM
IO
Array - R
X
D
E
C
Logic
Array - L
DATA PATH
RD
Figure 1. SA25F020 Block Diagram
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