參數(shù)資料
型號: A28F200BR-B
廠商: Intel Corp.
英文描述: 2-MBIT (256K x 8) Boot Block Flash Memory(2兆位 (128K x 16) 引導(dǎo)塊閃速存儲器)
中文描述: 2兆位(256K × 8)開機(jī)區(qū)塊快閃記憶體(2兆位(128K的× 16)引導(dǎo)塊閃速存儲器)
文件頁數(shù): 11/36頁
文件大?。?/td> 440K
代理商: A28F200BR-B
E
A28F200BR
11
ADVANCE INFORMATION
Table 2. Bus Operations for Word-Wide Mode (BYTE# = V
IH
)
Mode
Notes
RP#
CE#
OE#
WE#
A
9
A
0
V
PP
DQ
0-15
Read
1,2,3
V
IH
V
IL
V
IL
V
IH
X
X
X
D
OUT
Output Disable
V
IH
V
IL
V
IH
V
IH
X
X
X
High Z
Standby
V
IH
V
IH
X
X
X
X
X
High Z
Deep Power-Down
9
V
IL
X
X
X
X
X
X
High Z
Intelligent Identifier (Mfr)
4
V
IH
V
IL
V
IL
V
IH
V
ID
V
IL
X
0089 H
Intelligent Identifier
(Device)
4,5
V
IH
V
IL
V
IL
V
IH
V
ID
V
IH
X
See Table 4
Write
6,7,8
V
IH
V
IL
V
IH
V
IL
X
X
X
D
IN
Table 3. Bus Operations for Byte-Wide Mode (BYTE# = V
IL
)
Notes
RP#
CE#
OE#
WE#
Mode
A
9
A
0
A
-1
V
PP
DQ
0-7
DQ
8-14
Read
1,2,3
V
IH
V
IL
V
IL
V
IH
X
X
X
X
D
OUT
High Z
Output Disable
V
IH
V
IL
V
IH
V
IH
X
X
X
X
High Z
High Z
Standby
V
IH
V
IH
X
X
X
X
X
X
High Z
High Z
Deep Power-
Down
9
V
IL
X
X
X
X
X
X
X
High Z
High Z
Intelligent
Identifier (Mfr)
4
V
IH
V
IL
V
IL
V
IH
V
ID
V
IL
X
X
89H
High Z
Intelligent
Identifier
(Device)
4,5
V
IH
V
IL
V
IL
V
IH
V
ID
V
IH
X
X
See
Table 4
High Z
Write
6,7,8
V
IH
V
IL
V
IH
V
IL
X
X
X
X
D
IN
High Z
NOTES:
1. Refer to DC Characteristics.
2. X can be V
IL
, V
IH
for control pins and addresses, V
PPLK
or V
PPH
for V
PP
.
3. See DC Characteristics for V
PPLK
, V
PPH
1, V
PPH
2, V
HH
, V
ID
voltages.
4. Manufacturer and Device codes may also be accessed via a CUI write sequence, A
1
-A
17
= X, A
1
-A
18
= X.
5. See Table 4 of Device IDs.
6. Refer to Table 5 for valid D
IN
during a write operation.
7. Command writes for Block Erase or Word/ByteProgram are only executed when V
PP
= V
PPH
1 or V
PPH
2.
8. To program or erase the boot block, hold RP# at V
HH
or WP# at V
IH
.
9. RP# must be at GND
±
0.2V to meet the maximum deep power-down current specified.
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PDF描述
A28F200BR-T 2-MBIT (128K x 16) Boot Block Flash Memory(2兆位 (128K x 16) 引導(dǎo)塊閃速存儲器)
A28F200BX-B 2-MBIT (256K x 8) Boot Block Flash Memory(2兆位 (128K x 16) 引導(dǎo)塊閃速存儲器)
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A28F400BR-T 4-MBIT (256K x16) Boot Block Flash Memory(4兆位 (256K x16)引導(dǎo)塊閃速存儲器)
A28F400BX-B 4-MBIT (512K x8) Boot Block Flash Memory(4兆位(512K x8) 引導(dǎo)塊閃速存儲器)
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