MBM29PL64LM datasheet(9/69 Pages) SPANSION

9 / 69 page

MBM29PL64LM90/10

s DEVICE BUS OPERATION

MBM29PL64LM User Bus Operations (Word Mode : BYTE = VIH)

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

Hi-Z = High-Z, VID = 11.5 V to 12.5 V

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

See “MBM29PL64LM Standard Command Definitions”.

*2 : Refer to Sector Group Protection.

*3 : Protects the first 32K words sector (SA0)

*4 : DIN or DOUT as required by command sequence, data pulling, or sector protect algorithm

*5 : If WP/ACC = VIL, the first sector remain protected.

If WP/ACC = VIH, the first sector will be protected or unprotected as determined by the method

specified in "Sector Group Protection".

Operation

OE WE

DQ15 to

DQ0

RESET

WP/

ACC

Standby

Hi-Z

Autoselect Manufacture Code*1

LLLLL

VID

Code

Autoselect Device Code*1

LLLL

VID

Code

Read

DOUT

Output Disable

Hi-Z

Write (Program/Erase)

Enable Sector Group Protection*2

LHL

VID

Temporary Sector Group

Unprotection

XXXXXXXXX

VID

Reset (Hardware)

Hi-Z

Sector Write Protection*3

XXXXXXXXX

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