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參數(shù)資料
| 型號： | SST49LF004A-33-4C-WH |
| 廠商： | SILICON STORAGE TECHNOLOGY INC |
| 元件分類： | PROM |
| 英文描述： | 2 Mbit / 3 Mbit / 4 Mbit / 8 Mbit Firmware Hub |
| 中文描述： | 512K X 8 FLASH 3V PROM, 11 ns, PDSO32 |
| 封裝： | 8 X 14 MM, TSOP1-32 |
| 文件頁數(shù)： | 18/36頁 |
| 文件大小： | 412K |
| 代理商： | SST49LF004A-33-4C-WH |
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18
Advance Information
2 Mbit / 3 Mbit / 4 Mbit / 8 Mbit Firmware Hub
SST49LF002A / SST49LF003A / SST49LF004A / SST49LF008A
2001 Silicon Storage Technology, Inc.
S71161-06-000
9/01
504
TABLE
9: O
PERATION
M
ODES
S
ELECTION
(PP M
ODE
)
Mode
Read
Program
Erase
RST#
V
IH
V
IH
V
IH
OE#
V
IL
V
IH
V
IH
WE#
V
IH
V
IL
V
IL
DQ
D
OUT
D
IN
X
1
Address
A
IN
A
IN
Sector or Block address,
XXH for Chip-Erase
X
X
X
A
18
-A
1
=V
IL
, A
0
=V
IL
A
18
-A
1
=V
IL
, A
0
=
V
IH
Reset
Write Inhibit
V
IL
V
IH
X
V
IH
X
V
IL
V
IH
V
IL
X
X
High Z
High Z/D
OUT
High Z/D
OUT
Manufacturer’s ID (BFH)
Device ID
2
Product Identification
V
IH
T9.4 504
1. X can be V
IL
or V
IH
, but no other value.
2. Device ID 57H for SST49LF002A, 1BH for SST49LF003A, 60H for SST49LF004A, and 5AH for SST49LF008A
TABLE 10: S
OFTWARE
C
OMMAND
S
EQUENCE
Command Sequence
1st
1
Write Cycle
Addr
2
5555H
5555H
5555H
5555H
5555H
XXH
5555H
1. FWH Mode uses consecutive Write cycles to complete a command sequence; PP Mode uses consecutive bus cycles to complete a
command sequence.
2. Address format A
14
-A
0
(Hex), Addresses A
15
-A
21
can be V
IL
or V
IH
, but no other value, for the Command sequence in PP Mode.
3. BA = Program Byte address
4. SA
X
for Sector-Erase Address
5. BA
X
for Block-Erase Address
6. Chip-Erase is supported in PP Mode only
7. SST Manufacturer’s ID = BFH, is read with A
0
=0,
With A
17
-A
1
= 0; 49LF002A Device ID = 57H, is read with A
0
= 1.
With A
18
-A
= 0; 49LF003A Device ID = 1BH, is read with A
0
= 1.
With A
18
-A
1
= 0; 49LF004A Device ID = 60H, is read with A
0
= 1.
With A
19
-A
1
= 0; 49LF008A Device ID = 5AH, is read with A
0
= 1.
8. The device does not remain in Software Product ID mode if powered down.
9. Both Software ID Exit operations are equivalent
2nd
1
Write Cycle
Addr
2
2AAAH
2AAAH
2AAAH
2AAAH
2AAAH
3rd
1
Write Cycle
Addr
2
5555H
5555H
5555H
5555H
5555H
4th
1
Write Cycle
Addr
2
BA
3
5555H
5555H
5555H
5th
1
Write Cycle
Addr
2
6th
1
Write Cycle
Addr
2
Data
AAH
AAH
AAH
AAH
AAH
F0H
AAH
Data
55H
55H
55H
55H
55H
Data
A0H
80H
80H
80H
90H
Data
Data
AAH
AAH
AAH
Data
Data
Byte-Program
Sector-Erase
Block-Erase
Chip-Erase
6
Software ID Entry
7,8
Software ID Exit
9
Software ID Exit
9
2AAAH
2AAAH
2AAAH
55H
55H
55H
SA
X4
BA
X5
5555H
30H
50H
10H
2AAAH
55H
5555H
F0H
T10.5 504
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SST49LF008A | 2 Mbit / 3 Mbit / 4 Mbit / 8 Mbit Firmware Hub |
| SST49LF008A-33-4C-NH | 2 Mbit / 3 Mbit / 4 Mbit / 8 Mbit Firmware Hub |
| SST49LF008A-33-4C-WH | 2 Mbit / 3 Mbit / 4 Mbit / 8 Mbit Firmware Hub |
| SST49LF004B | 4 Mbit LPC Firmware Flash |
| SST49LF004B-33-4C-EI | 4 Mbit LPC Firmware Flash |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SST49LF004B | 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:4 Mbit Firmware Hub |
| SST49LF004B_06 | 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:4 Mbit Firmware Hub |
| SST49LF004B_10 | 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:4 Mbit Firmware Hub |
| SST49LF004B-33-4C-EI | 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:4 Mbit LPC Firmware Flash |
| SST49LF004B-33-4C-EIE | 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:4 Mbit LPC Firmware Flash |
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