MBM29LV400TC-70PFTN 参数 Datasheet PDF下载

MBM29LV400TC

-55/70/90

/MBM29LV400BC

-55/70/90

MBM29LV400TC/BC Extended Command Definitions

Bus

First Bus

Second Bus

Third Bus

Write

Write Cycle

Write Cycle

Write Cycle

Cycles

Addr

Data

Addr

Data

Addr

Data

Req'd

Word

Byte

Word

Byte

Word

2

Byte

Word

XXXh

3

2

555h

AAAh

XXXh

XXXh

XXXh

90h

XXXh

AAh

A0h

2AAh

555h

PA

XXXh

F0h *3

—

—

—

—

55h

PD

555h

AAAh

—

20h

—

Command

Sequence

Set to

Fast Mode

Fast Program *

1

Reset from Fast

Mode *

1

Extended Sector

Protect *

2

Fourth Bus

Read Cycle

Addr

—

—

Data

—

—

4

XXXh

60h

SPA

60h

SPA

40h

SPA

SD

Byte

SPA : Sector address to be protected. Set sector address (SA) and (A

6

, A

1

, A

0

) = (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= V

ID

.

*3: This data “00h” is also acceptable.

MBM29LV400TC/400BC Sector Protection Verify Autoselect Codes

A

6

A

1

A

0

Type

A

12

to A

17

A

-1*1

Manufacture’s Code

MBM29LV400TC

Device Code

MBM29LV400BC

Sector Protection

Byte

Word

Byte

Word

X

X

X

Sector

Addresses

V

IL

V

IL

V

IL

V

IL

V

IL

V

IL

V

IL

V

IH

V

IL

V

IH

V

IH

V

IL

V

IL

V

IL

X

V

IL

X

V

IL

Code (HEX)

04h

B9h

22B9h

BAh

22BAh

01h

*2

*1: A

-1

is for Byte mode. In byte mode, DQ

8

to DQ

14

become “High-Z” and DQ

15

becomes the lower address A

-1

.

*2: Outputs 01h at protected sector addresses and outputs 00h at unprotected sector addresses.

Extended Autoselect Code Table

Type

Manufacturer’s Code

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

04h

A

-1

/0

0

0

0

0

0

1

1

0

0

0

0

0

0

0

0

0

0

0

0

0

0

1

1

0

0

0

0

0

0

1

1

1

1

0

0

0

0

0

0

0

0

1

1

1

1

0

0

1

1

1

1

0

0

1

1

1

1

0

1

0

0

0

0

0

0

0

0

1

1

0

0

1

1

0

0

1

MBM29 (B)*

B9h A

-1

LV400TC (W)

22B9h

0

Device

Code

MBM29 (B)*

BAh A

-1

LV400BC (W)

22BAh

0

HI-Z HI-Z HI-Z HI-Z HI-Z HI-Z HI-Z

HI-Z HI-Z HI-Z HI-Z HI-Z HI-Z HI-Z

Sector Protection

(B): Byte mode

(W): Word mode

HI-Z : High-Z

01h

A

-1

/0

* : At Byte mode, DQ

8

to DQ

14

are High-Z and DQ

15

is A

-1

, the lowest address.

11