MBM29F080A Просмотр технического описания (PDF) - Spansion Inc.

Номер в каталоге

Компоненты Описание

производитель

MBM29F080A

FLASH MEMORY CMOS 8M (1M ×8) BIT

Spansion Inc. 

MBM29F080A-55/-70/-90

s FLEXIBLE SECTOR-ERASE ARCHITECTURE

MBM29F080A User Bus Operations Table

Operation

CE OE WE A0 A1 A6

Auto-Select Manufacturer Code *1

L

L

H

L

L

L

Auto-Select Device Code *1

L LHHL L

Read *3

L

L

H

A0

A1

A6

Standby

HXXXXX

Output Disable

L HHX X X

Write (Program/Erase)

L

H

L

A0

A1

A6

A9 DQ0 to DQ7 RESET

VID

Code

H

VID

Code

H

A9

DOUT

H

X

High-Z

H

X

High-Z

H

A9

DIN

H

Enable Sector Group Protection *2

L

VID

X

X

X

VID

X

H

Verify Sector Group Protection *2

L

L

H

L

H

L

VID

Code

H

Temporary Sector Group Unprotection X X X X X X X

X

VID

Reset (Hardware)

XXXX

XXX

High-Z

L

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

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

“MBM29F080A Command Definitions Table” in “sFLEXIBLE SECTOR-ERASE ARCHITECTURE”.

*2 : Refer to the section on Sector Group Protection.

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

Type

Manufacture’s

Code

MBM29F080A Sector Protection Verify Autoselect Codes Table

A17 to A19

A6

A1

A0

Code

(HEX)

DQ7

DQ6

DQ5

DQ4

DQ3

DQ2

DQ1

DQ0

X X X VIL VIL VIL 04h 0 0 0 0 0 1 0 0

Device Code

X X X VIL VIL VIH D5h 1 0 1 0 1 1 0 1

Sector Group

Protection

Sector Group

Addresses

VIL VIH VIL 01h*

0

0

0

0

0

0

0

1

* : Outputs 01h at protected sector addresses and outputs 00h at unprotected sector addresses.

7

Share Link: