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MT250QL01GABA3EW70AITES 参数 Datasheet PDF下载

MT250QL01GABA3EW70AITES图片预览
型号: MT250QL01GABA3EW70AITES
PDF下载: 下载PDF文件 查看货源
内容描述: [3V, Multiple I/O, 4KB, 32KB, 64KB, Sector Erase]
分类和应用:
文件页数/大小: 97 页 / 1038 K
品牌: MICRON [ MICRON TECHNOLOGY ]
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256Mb, 3V Multiple I/O Serial Flash Memory  
Extended Address Register  
Extended Address Register  
The 3-byte address mode can only access 128Mb of memory. To access the full device in  
3-byte address mode, the device includes an extended address register that indirectly  
provides a fourth address byte A[31:25]. The extended address register bit A0 operates as  
memory address bit A24 to select one of the two 128Mb segments of the memory array.  
If 4-byte addressing is enabled, the extended address register settings are ignored.  
Table 6: Extended Address Register  
Bit  
7:1  
0
Name  
A[31:25]  
A24  
Settings  
Description  
0000000  
Reserved  
1 = Highest 128Mb segment  
0 = Lowest 128Mb segment (default)  
Enables specified 128Mb memory segment. The de-  
fault (lowest) setting can be changed to the high-  
est 128Mb segment using bit 1 of the nonvolatile  
configuration register.  
Figure 13: Memory Array Segments  
01FFFFFFh  
A24 = 1  
00FFFFFFh  
01000000h  
A24 = 0  
00000000h  
The PROGRAM and ERASE operations act upon the 128Mb segment selected in the ex-  
tended address register. The BULK ERASE operation erases the entire device.  
The READ operation begins reading in the selected 128Mb segment, but is not bound  
by it.  
In a continuous READ, when the last byte of the segment is read, the next byte output is  
the first byte of the next segment. The operation wraps to 0000000h; therefore, a down-  
load of the whole array is possible with one READ operation.  
The value of the extended address register does not change when a READ operation  
crosses the selected 128Mb boundary.  
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.  
26  
© 2014 Micron Technology, Inc. All rights reserved.  
 
 
 
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