MB84VB2000 データシートの表示（PDF） - Fujitsu

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MB84VB2000

8M (× 8/× 16) FLASH MEMORY & 8M (× 8/× 16) FLASH MEMORY

Fujitsu 

MB84VB2000-10/MB84VB2001-10

Table 3 MB84VB2000/MB84VB2001 User Bus Operations (BYTE = VIL)

Operation (5)

CE1 CE2

OE

WE

DQ15/

A-1

A0

A1

A6

A9

DQ0 to

DQ7

Auto-Select Manufacture’s

Code (1)

HL

LH

LH

L

L

L

L

VID

Code

HL

Auto-Select Device Code (1)

L

H

L

H

L

L

VID

Code

LH

Read (3)

HL

L

H

A-1

A0

A1

A6

A9

LH

DOUT

Full Standby

H H X X X X X X X HIGH-Z

Output Disable

X X H H X X X X X HIGH-Z

Write (Program/Erase)

HL

H

L

A-1

A0

A1

A6

A9

DIN

LH

Enable Sector Protection

(2), (4)

HL

VID

LH

L

L

H

L

VID

X

Verify Sector Protection

(2), (4)

HL

L

H

L

L

H

L

VID

Code

LH

Temporary Sector

Unprotection

XXXX X XXXX

X

Reset (Hardware)/Standby X X X X X X X X X HIGH-Z

RESET

H

H

H

H

H

H

H

H

VID

L

Legend: L = VIL, H = VIH, X = VIL or VIH, = Pulse input. See DC Characteristics for voltage levels.

Notes: 1.Manufacturer and device codes may also be accessed via a command register write sequence. See

Table 7.

2.Refer to the section on Sector Protection.

3.WE can be VIL if OE is VIL, OE at VIH initiates the write operations.

4.VCC = 3.3 V ±10%

5.Do not apply CE1 = CE2 = VIL at a time.

5

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