MBM29LV160TE Fujitsu Microelectronics, Inc., MBM29LV160TE Datasheet - Page 12

• Manufacturer Part Number: MBM29LV160TE
• Description: 16m 2m X 8/1m X 16 Bit
• Manufacturer: Fujitsu Microelectronics, Inc.

12
Device
Code
MBM29LV160TE/BE
*1: A
*2: Outputs 01H at protected sector addresses and outputs 00H at unprotected sector addresses.
Manufacture’s Code
Sector Protection
(B): Byte mode
(W): Word mode
Manufacture’s Code
Device Code
Sector Protection
The manufacturer and device codes may also be read via the command register, for instances when the
MBM29LV160TE/BE is erased or programmed in a system without access to high voltage on the A
command sequence is illustrated in Table 7, Command Definitions.
Byte 0 (A
For the MBM29LV160TE/BE these two bytes are given in the Table 4.2. All identifiers for manufactures and
device will exhibit odd parity with DQ
executing the Autoselect, A
V
If BYTE = V
= V
In order to determine which sectors are write protected, A
addresses; if the selected sector is protected, a logical ‘1’ will be output on DQ
IH
-1
), DQ
IH
is for Byte mode.
MBM29LV160TE
MBM29LV160BE
(for word mode), the device code is 22C4H (for top boot block) or 2249H (for bottom boot block).
Type
9
0
and DQ
= V
IL
(for byte mode), the device code is C4H (for top boot block) or 49H (for bottom boot block). If BYTE
MBM29LV160TE
MBM29LV160BE
IL
Table 4.1 MBM29LV160TE/BE Sector Protection Verify Autoselect Code
) represents the manufacture’s code and byte 1 (A
Type
13
are equal to ‘1’ and DQ
(W) 22C4H 0
(W) 2249H 0
(B)
(B)
Code DQ
1
C4H A
04H A
49H A
01H A
must be V
Table 4.2 Expanded Autoselect Code Table
Word
Word
Byte
Byte
-1
-1
-1
-1
/0
/0
15
7
defined as the parity bit. In order to read the proper device codes when
DQ
HI-Z HI-Z HI-Z HI-Z HI-Z HI-Z HI-Z 1
HI-Z HI-Z HI-Z HI-Z HI-Z HI-Z HI-Z 0
IL
. (See Tables 2 or 3.) For device indentification in word mode (BYTE =
Addresses
0
0
0
0
-70/90/12
A
14
Sector
12
8
, DQ
DQ
to A
X
X
X
0
1
1
0
13
10
19
DQ
to DQ
0
0
0
0
12
DQ
V
V
V
V
0
0
0
0
A
12
IL
IL
IL
IL
11
6
, DQ
1
DQ
0
0
0
0
must be at V
14
10
, and DQ
DQ
0
0
1
1
0
= V
V
V
V
V
A
9
IH
IL
IL
IL
1
DQ
IH
0
0
0
0
) represents the device identifier code.
15
8
IH
DQ
are equal to ‘0’.
0
1
0
0
while running through the sector
7
0
V
V
V
V
A
DQ
(DQ
IH
IH
IL
IL
0
1
1
1
1
0
0
6
DQ
0
0
0
0
0
0
0
=1).
5
DQ
A
0
0
0
0
0
0
V
V
V
V
X
X
-1
4
IL
IL
IL
IL
*
DQ
1
0
0
0
1
1
0
3
DQ
1
1
1
0
0
0
9
22C4H
2249H
2
(HEX)
01H*
Code
C4H
pin. The
04H
49H
DQ
0
0
0
0
0
0
1
2
DQ
0
0
0
1
1
1
0