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)： 20/37頁
文件大?。?/td> 560K
代理商： SA25F020LENF
SA25F020 Advanced Information
SAIFUN
20
Write Enable (WREN)
The device powers up in the Write Disable
state when V
CC
is applied. All programming
instructions must be preceded by a WREN
instruction. The instruction sequence is
shown in Figure 11, with SO in high
impedance.
Write Disable (WRDI)
To protect the device against inadvertent
writes, the WRDI instruction disables all
programming
modes.
instruction is independent of the WP pin's
status. The WREN instruction should be
executed after the WRDI instruction to
re-enable all programming modes. The
instruction sequence is shown in Figure 12,
with SO in high impedance.
The
WRDI
3
2
7
6
5
4
0
Instruction
SCK
SI
1
CS
Figure 11. Write Enable (WREN) Instruction Sequence
3
2
7
6
5
4
0
Instruction
SCK
SI
1
CS
Figure 12. Write Disable (WRDI) Instruction Sequence
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PDF描述
SA25F020 4 Mbit Uniform Sector, Serial Flash Memory
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