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MBM29LV008BA-12PTN 参数 Datasheet PDF下载

MBM29LV008BA-12PTN图片预览
型号: MBM29LV008BA-12PTN
PDF下载: 下载PDF文件 查看货源
内容描述: 8M ( 1M ×8 )位 [8M (1M X 8) BIT]
分类和应用: 内存集成电路光电二极管
文件页数/大小: 51 页 / 419 K
品牌: FUJITSU [ FUJITSU ]
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MBM29LV008TA-70/-90/-12/MBM29LV008BA-70/-90/-12  
The manufacturer and device codes may also be read via the command register, for instances when the  
MBM29LV008TA/BA are erased or programmed in a system without access to high voltage on the A9 pin. The  
command sequence is illustrated in Table 6. (Refer to Autoselect Command section.)  
Byte 0 (A0 = VIL) represents the manufacturer’s code (Fujitsu = 04H) and (A0 = VIH) represents the device identifier  
code (MBM29LV008TA = 3EH and MBM29LV008BA = 37H). These two bytes/words are given in the tables 3.1  
and 3.2. All identifiers for manufactures and device will exhibit odd parity with DQ7 defined as the parity bit. In  
order to read the proper device codes when executing the autoselect, A1 must be VIL. (See Tables 3.1 and 3.2.)  
Table 3 .1 MBM29LV008TA/008BA Sector Protection Verify Autoselect Codes  
Type  
A13 to A19  
A10  
VIL  
VIL  
VIL  
A6  
VIL  
VIL  
VIL  
A1  
VIL  
VIL  
VIL  
A0  
VIL  
VIH  
VIH  
Code (HEX)  
04H  
Manufacture’s Code  
X
X
X
MBM29LV008TA  
MBM29LV008BA  
3EH  
Device Code  
37H  
Sector  
Addresses  
Sector Protection  
VIL  
VIL  
VIH  
VIL  
01H*  
* : Outputs 01H at protected sector addresses and outputs 00H at unprotected sector addresses.  
Table 3 .2 Expanded Autoselect Code Table  
Type  
Code  
04H  
3EH  
37H  
01H  
DQ7  
0
DQ6  
0
DQ5  
0
DQ4  
0
DQ3  
0
DQ2  
1
DQ1  
0
DQ0  
0
Manufacture’s Code  
MBM29LV008TA  
MBM29LV008BA  
Sector Protection  
0
0
1
1
1
1
1
0
Device Code  
0
0
1
1
0
1
1
1
0
0
0
0
0
0
0
1
10