MBM29F400BC-70PF datasheet(8/48 Pages) SPANSION

Part #	MBM29F400BC-70PF

Description	FLASH MEMORY CMOS 4M (512K x 8/256K x 16) BIT

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Manufacturer	SPANSION [SPANSION]

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MBM29F400TC-55/-70-90/MBM29F400BC-55/-70-90

7

s

s DEVICE BUS OPERATION

MBM29F400TC/BC User Bus Operation (BYTE = VIH)

Legend: L = VIL, H = VIH, X = VIL or VIH,

= Pulse input. See s DC CHARACTERISTICS for voltage levels.

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

“MBM29F400TC/BC Command Definitions” in sDEVICE BUS OPERATION.

*2 : Refer to the section on Sector Protection.

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

MBM29F400TC/BC User Bus Operation (BYTE = VIL)

Legend: L = VIL, H = VIH, X = VIL or VIH,

= Pulse input. See s DC CHARACTERISTICS for voltage levels.

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

“MBM29F400TC/BC Command Definitions” in sDEVICE BUS OPERATION.

*2 : Refer to the section on Sector Protection.

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

Operation

CE

OE

WE

A0

A1

A6

A9

DQ15 to

DQ0

RESET

Auto-Select Manufacturer Code*1

LL

H

LLL

VID

Code

H

Auto-Select Device Code *1

LL

H

LL

VID

Code

H

Read*3

LL

H

A0

A1

A6

A9

DOUT

H

Standby

H

XXXXXX

High-Z

H

Output Disable

L

H

X

High-Z

H

Write

L

H

L

A0

A1

A6

A9

DIN

H

Enable Sector Protection*2

LVID

XX

L

VID

XH

Verify Sector Protection*2

L

HLHL

VID

Code

H

Temporary Sector Unprotection

XXXXXXX

X

VID

Reset (Hardware)/Standby

XXXXXXX

High-Z

L

Operation

CE

OE

WE

DQ15

/A-1

A0

A1

A6

A9

DQ7 to DQ0 RESET

Auto-Select Manufacturer Code*1

LL

H

LLLL

VID

Code

H

Auto-Select Device Code*1

L

HLHL

L

VID

Code

H

Read*3

LL

H

A-1

A0

A1

A6

A9

DOUT

H

Standby

H

XXXXXXX

High-Z

H

Output Disable

L

H

XXXXX

High-Z

H

Write

L

H

L

A-1

A0

A1

A6

A9

DIN

H

Enable Sector Protection*2

LVID

LX

XL

VID

XH

Verify Sector Protection*2

LL

H

L

H

L

VID

Code

H

Temporary Sector Unprotection

XXXXXXXX

X

VID

Reset (Hardware)/Standby

XXXXXXXX

High-Z

L

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MBM29F400BC-70PF Datasheet(PDF) 8 Page - SPANSION

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