參數(shù)資料
型號(hào): S29AL004D
廠商: Spansion Inc.
英文描述: 4 Megabit (512 Kx 8-Bit/256 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory
中文描述: 4兆位(512 kX的8-Bit/256畝x 16位),3.0伏的CMOS只引導(dǎo)扇區(qū)閃存
文件頁(yè)數(shù): 26/55頁(yè)
文件大小: 1481K
代理商: S29AL004D
24
S29AL004D
S29AL004D_00_A1 February 18, 2005
A d v a n c e I n f o r m a t i o n
Notes:
1. See
Table 12 on page 41
for erase command sequence.
2. See
DQ3: Sector Erase Timer on page 29
for more information.
Figure 4. Erase Operation
Table 5. S29AL004D Command Definitions (Sheet 1 of 2)
Command
Sequence
(Note 1)
C
Bus Cycles (Notes 2-5)
Third
Addr
Data
First
Second
Addr
Fourth
Addr
Fifth
Sixth
Addr
RA
XXX
555
AAA
555
AAA
555
AAA
Data
RD
F0
Data
Data
Addr
Data
Addr
Data
Read (Note 6)
Reset (Note 7)
1
1
A
Manufacturer ID
Word
Byte
Word
Byte
Word
Byte
4
AA
2AA
555
2AA
555
2AA
555
55
555
AAA
555
AAA
555
AAA
90
X00
01
Device ID,
Top Boot Block
4
AA
55
90
X01
X02
X01
X02
22B9
B9
22BA
BA
XX00
XX01
00
01
Device ID,
Bottom Boot Block
4
AA
55
90
Sector Protect Verify
(Note 9)
Word
4
555
AA
2AA
55
555
90
(SA)
X02
Byte
AAA
555
AAA
(SA)
X04
Program
Word
Byte
Word
Byte
4
555
AAA
555
AAA
AA
2AA
555
2AA
555
55
555
AAA
555
AAA
A0
PA
PD
Unlock Bypass
3
AA
55
20
Unlock Bypass Program (Note 10)
2
XXX
A0
PA
PD
Unlock Bypass Reset (Note 11)
2
XXX
90
XXX
00
(F0h)
Chip Erase
Word
Byte
6
555
AAA
AA
2AA
555
55
555
AAA
80
555
AAA
AA
2AA
555
55
555
AAA
10
START
Write Erase
Command Sequence
Data Poll
from System
Data = FFh
No
Yes
Erasure Completed
Embedded
Erase
algorithm
in progress
相關(guān)PDF資料
PDF描述
S29AL004D90BAI012 4 Megabit (512 Kx 8-Bit/256 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory
S29AL004D90BAI013 4 Megabit (512 Kx 8-Bit/256 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory
S29AL004D90BAI020 4 Megabit (512 Kx 8-Bit/256 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory
S29AL004D90BAI022 4 Megabit (512 Kx 8-Bit/256 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory
S29AL004D90BAI023 4 Megabit (512 Kx 8-Bit/256 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory
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