256Mb, 3V Multiple I/O Serial Flash Memory
Device ID Data
Device ID Data
The device ID data shown in the tables here is read by the READ ID and MULTIPLE I/O
READ ID operations.
Table 17: Device ID Data
Byte#
Manufacturer ID (1 byte total)
Manufacturer ID (1 byte)
Device ID (2 bytes total)
Name
Content Value
Assigned By
JEDEC
1
20h
2
Memory type (1 byte)
BAh = 3V
Manufacturer
BBh = 1.8V
22h = 2Gb
3
Memory capacity (1 byte)
21h = 1Gb
20h = 512Mb
19h = 256Mb
18h = 128Mb
17h = 64Mb
Unique ID (17 bytes total)
4
Indicates the number of remaining ID bytes
10h
Factory
(1 byte)
5
6
Extended device ID (1 byte)
Device configuration information (1 byte)
Customized factory data (14 bytes)
See Extended Device ID table
00h = Standard
7:20
Unique ID code (UID)
Table 18: Extended Device ID Data, First Byte
Bit 7
Bit 6
Bit 51
Bit 4
Reserved
Bit 3
Bit 22
Bit 1
Bit 0
Reserved
Device
Generation
1 = 2nd
1 = Alternate BP
scheme
0 = Standard BP
scheme
HOLD#/RESET#:
0 = HOLD
Additional HW
RESET#:
1 = Available
0 = Not available
Sector size:
00 = Uniform
64KB
1 = RESET
generation
1. For alternate BP scheme information, contact the factory.
Notes:
2. Available for specific part numbers. See Part Number Ordering Information for details.
CCMTD-1725822587-3368
mt25q-qljs-L256-ABA-xxT.pdf - Rev. K 07/18 EN
Micron Technology, Inc. reserves the right to change products or specifications without notice.
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