參數(shù)資料
型號: MBM29LV800BE60PBT
廠商: Fujitsu Limited
英文描述: 8M (1M x 8/512 K x 16) BIT
中文描述: 8米(3米x五百一十二分之八畝× 16)位
文件頁數(shù): 12/59頁
文件大小: 608K
代理商: MBM29LV800BE60PBT
MBM29LV800TA
-70/-90/-12
/MBM29LV800BA
-70/-90/-12
12
The manufacturer and device codes may also be read via the command register, for instances when the
MBM29LV800TA/BA are erased or programmed in a system without access to high voltage on the A
9
pin. The
command sequence is illustrated in Table 7. (Refer to Autoselect Command section.)
Byte 0 (A
0
= V
IL
) represents the manufacturer’s code (Fujitsu = 04H) and (A
0
= V
IH
) represents the device identifier
code (MBM29LV800TA = DAH and MBM29LV800BA = 5BH for
×
8 mode; MBM29LV800TA = 22DAH and
MBM29LV800BA = 225BH for
×
16 mode). These two bytes/words are given in the tables 4.1 and 4.2. All identifiers
for manufactures and device will exhibit odd parity with DQ
7
defined as the parity bit. In order to read the proper
device codes when executing the autoselect, A
1
must be V
IL
. (See Tables 4.1 and 4.2.)
*1: A
-1
is for Byte mode.
*2: Outputs 01H at protected sector addresses and outputs 00H at unprotected sector addresses.
(B): Byte mode
(W): Word mode
Table 4 .1 MBM29LV800TA/800BA Sector Protection Verify Autoselect Codes
Type
A
12
to A
18
A
6
A
1
A
0
A
-1*1
Code (HEX)
Manufacture’s Code
X
V
IL
V
IL
V
IL
V
IL
04H
Device Code
MBM29LV800TA
Byte
X
V
IL
V
IL
V
IH
V
IL
DAH
Word
X
22DAH
MBM29LV800BA
Byte
X
V
IL
V
IL
V
IH
V
IL
5BH
Word
X
225BH
Sector Protection
Sector
Addresses
V
IL
V
IH
V
IL
V
IL
01H
*2
Table 4 .2 Expanded Autoselect Code Table
Type
Code
DQ
15
DQ
14
DQ
13
DQ
12
DQ
11
DQ
10
DQ
9
DQ
8
DQ
7
DQ
6
DQ
5
DQ
4
DQ
3
DQ
2
DQ
1
DQ
0
Manufacturer’s Code
04H
A
-1
/0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
Device
Code
MBM29LV800TA
(B)
DAH A
-1
HI-Z HI-Z HI-Z HI-Z HI-Z HI-Z HI-Z
1
1
0
1
1
0
1
0
(W) 22DAH
0
0
1
0
0
0
1
0
1
1
0
1
1
0
1
0
MBM29LV800BA
(B)
5BH A
-1
HI-Z HI-Z HI-Z HI-Z HI-Z HI-Z HI-Z
0
1
0
1
1
0
1
1
(W) 225BH
0
0
1
0
0
0
1
0
0
1
0
1
1
0
1
1
Sector Protection
01H
A
-1
/0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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