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參數(shù)資料
| 型號： | 27LV002CB-90 |
| 廠商： | Macronix International Co., Ltd. |
| 英文描述： | 2M-BIT [256K x 8] CMOS SINGLE VOLTAGE 3V ONLY FLASH MEMORY |
| 中文描述： | 200萬位[256K × 8] CMOS單電壓3V時僅閃存 |
| 文件頁數(shù)： | 50/58頁 |
| 文件大?。?/td> | 528K |
| 代理商： | 27LV002CB-90 |
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50
P/N:PM1204
MX29LV002C/002NC T/B
REV. 1.0, JUN. 30, 2005
QUERY COMMAND AND COMMON FLASH
INTERFACE (CFI) MODE ( for MX29LV002CT/
CB)
MX29LV002CT/CB is capable of operating in the CFI
mode. This mode all the host system to determine the
manufacturer of the device such as operating param-
eters and configuration. Two commands are required in
CFI mode. Query command of CFI mode is placed first,
then the Reset command exits CFI mode. These are
TABLE 18-1. CFI mode: Identification Data Values
(All values in these tables are in hexadecimal)
Description
Query-unique ASCII string "QRY"
Address
20
22
24
26
28
2A
2C
2E
30
32
34
Data
0051
0052
0059
0002
0000
0040
0000
0000
0000
0000
0000
Primary vendor command set and control interface ID code
Address for primary algorithm extended query table
Alternate vendor command set and control interface ID code (none)
Address for secondary algorithm extended query table (none)
TABLE 18-2. CFI Mode: System Interface Data Values
(All values in these tables are in hexadecimal)
Description
VCC supply, minimum (2.7V)
VCC supply, maximum (3.6V)
VPP supply, minimum (none)
VPP supply, maximum (none)
Typical timeout for single word/byte write (2
N
us)
Typical timeout for Minimum size buffer write (2
N
us)
Typical timeout for individual block erase (2
N
ms)
Typical timeout for full chip erase (2
N
ms)
Maximum timeout for single word/byte write times (2
N
X Typ)
Maximum timeout for buffer write times (2
N
X Typ)
Maximum timeout for individual block erase times (2
N
X Typ)
Maximum timeout for full chip erase times (not supported)
Address
36
38
3A
3C
3E
40
42
44
46
48
4A
4C
Data
0027
0036
0000
0000
0004
0000
000A
0000
0005
0000
0004
0000
described in Table 18.
The single cycle Query command is valid only when the
device is in the Read mode, including Erase Suspend,
Standby mode, and Read ID mode; however, it is ignored
otherwise.
The Reset command exits from the CFI mode to the
Read mode, or Erase Suspend mode, or read ID mode.
The command is valid only when the device is in the CFI
mode.
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