MBM29DL64DF 데이터 시트보기 (PDF) - Fujitsu

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MBM29DL64DF

64 M (8 M ×8/4 M ×16) BIT FLASH MEMORY

Fujitsu 

MBM29DL64DF-70

s DEVICE BUS OPERATION

MBM29DL64DF User Bus Operations Table (BYTE = VIH)

Operation

CE OE WE A0

A1

A2

A3

A6

A9

DQ15 to DQ0 RESET

WP/

ACC

Standby

H X X X X X X X X High-Z

H

X

Autoselect Manufacturer Code *1 L L H L L L L L VID Code

H

X

Autoselect Device Code *1

L L H H L L L L VID Code

H

X

Extended Autoselect Device

Code *1

L L H L H H H L VID

L L H H H H H L VID

Code

Code

H

X

H

X

Read *3

L L H A0 A1 A2 A3 A6 A9

DOUT

H

X

Output Disable

L H H X X X X X X High-Z

H

X

Write (Program/Erase)

L H L A0 A1 A2 A3 A6 A9

DIN

H

X

Enable Sector Group

Protection *2, *4

L VID

L H L L L VID

X

H

X

Verify Sector Group

Protection *2, *4

L L H L H L L L VID Code

H

X

Temporary Sector Group

Unprotection *5

XXXXXXXXX

X

VID

X

Reset (Hardware) /Standby

X X X X X X X X X High-Z

L

X

Boot Block Sector Write

Protection *6

XXXXXXXXX

X

X

L

Legend : L = VIL, H = VIH, X = VIL or VIH, = Pulse input. See “sDC CHARACTERISTICS” for voltage levels.

*1 : Manufacturer and device codes are accessed via a command register write sequence. See “ Command

Definitions Table”.

*2 : Refer to “Sector Group Protection” in sFUNCTIONAL DESCRIPTION.

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

*4 : VCC = 2.7 V to 3.6 V

*5 : Also used for the extended sector group protection.

*6 : Protects “outermost” 2 × 4 Kwords on both ends of the boot block sectors (SA0, SA1, SA140, SA141) .

8

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