MBM29LV800BA-120PFTR データシートの表示（PDF） - Fujitsu

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MBM29LV800BA-120PFTR

CMOS 8M (1M × 8/512K × 16) BIT

Fujitsu 

MBM29LV800TA-70/-90/-12/MBM29LV800BA-70/-90/-12

Table 3 MBM29LV800TA/800BA User Bus Operations (BYTE = VIL)

Operation

CE

OE

WE

DQ15/

A-1

A0

A1

A6

A9 DQ0 to DQ7 RESET

Auto-Select Manufacturer Code (1) L

L

H

L

L

L

L

VID

Code

H

Auto-Select Device Code (1)

L

L

H

L

H

L

L

VID

Code

H

Read (3)

L

L

H

A-1

A0

A1

A6

A9

DOUT

H

Standby

H X X X X X X X HIGH-Z

H

Output Disable

L H H X X X X X HIGH-Z

H

Write (Program/Erase)

L

H

L

A-1

A0

A1

A6

A9

DIN

H

Enable Sector Protection (2), (4)

L

VID

L

L

H

L

VID

X

H

Verify Sector Protection (2), (4)

L

L

H

L

L

H

L

VID

Code

H

Temporary Sector Unprotection (5) X X X X X X X X

X

VID

Reset (Hardware)/Standby

X X X X X X X X HIGH-Z

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. It is also used for the extended sector protection.

9

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