MBM29LV400BC データシートの表示（PDF） - Spansion Inc.
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MBM29LV400BC Datasheet PDF : 58 Pages
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MBM29LV400TC-55/70/90/MBM29LV400BC-55/70/90
Command
Sequence
Set to
Fast Mode
Fast Program *1
Word
Byte
Word
Byte
MBM29LV400TC/BC Extended Command Definitions
Bus
Write
Cycles
Req'd
First Bus
Write Cycle
Addr Data
Second Bus
Write Cycle
Addr Data
Third Bus
Write Cycle
Addr Data
555h
2AAh
555h
3
AAh
55h
20h
AAAh
555h
AAAh
XXXh
2
A0h
PA
PD
—
—
XXXh
Fourth Bus
Read Cycle
Addr Data
—
—
—
—
Reset from Fast
Mode *1
Word
Byte
2
XXXh
XXXh
90h
F0h *3 —
XXXh
XXXh
—
—
—
Extended Sector Word
Protect *2
Byte
4
XXXh 60h SPA 60h SPA 40h SPA SD
SPA : Sector address to be protected. Set sector address (SA) and (A6, A1, A0) = (0, 1, 0).
SD : Sector protection verify data. Output 01h at protected sector addresses and output 00h at unprotected
sector addresses.
*1: This command is valid while Fast Mode.
*2: This command is valid while RESET= VID.
*3: This data “00h” is also acceptable.
MBM29LV400TC/400BC Sector Protection Verify Autoselect Codes
Type
A12 to A17
A6
A1
A0
A-1*1
Manufacture’s Code
X
VIL
VIL
VIL
VIL
Byte
MBM29LV400TC
X
Word
Device Code
Byte
MBM29LV400BC
X
Word
VIL
VIL
VIL
VIH
X
VIL
VIL
VIL
VIH
X
Sector Protection
Sector
Addresses
VIL
VIH
VIL
VIL
Code (HEX)
04h
B9h
22B9h
BAh
22BAh
01h*2
*1: A-1 is for Byte mode. In byte mode, DQ8 to DQ14 become “High-Z” and DQ15 becomes the lower address A-1.
*2: Outputs 01h at protected sector addresses and outputs 00h at unprotected sector addresses.
Type
Extended Autoselect Code Table
Code DQ15 DQ14 DQ13 DQ12 DQ11 DQ10 DQ9 DQ8 DQ7 DQ6 DQ5 DQ4 DQ3 DQ2 DQ1 DQ0
Manufacturer’s Code 04h A-1/0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0
MBM29 (B)* B9h A-1 HI-Z HI-Z HI-Z HI-Z HI-Z HI-Z HI-Z 1 0 1 1 1 0 0 1
Device LV400TC (W) 22B9h 0 0 1 0 0 0 1 0 1 0 1 1 1 0 0 1
Code MBM29 (B)* BAh A-1 HI-Z HI-Z HI-Z HI-Z HI-Z HI-Z HI-Z 1 0 1 1 1 0 1 0
LV400BC (W) 22BAh 0 0 1 0 0 0 1 0 1 0 1 1 1 0 1 0
Sector Protection
(B): Byte mode
(W): Word mode
HI-Z : High-Z
01h A-1/0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
* : At Byte mode, DQ8 to DQ14 are High-Z and DQ15 is A-1, the lowest address.
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