MX29F040C データシートの表示（PDF） - Macronix International

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MX29F040C

4M-BIT [512K x 8] CMOS SINGLE VOLTAGE 5V ONLY EQUAL SECTOR FLASH MEMORY

Macronix International 

MX29F040C

TABLE 2. MX29F040C BUS OPERATION

Pins

Mode

CE# OE# WE# A0

A1

Read Silicon ID

L

L

H

L

L

Manufacturer Code(1)

Read Silicon ID

L

L

H

H

L

Device Code(1)

Read

L

L

H

A0

A1

Standby

H

X

X

X

X

Output Disable

L

H

H

X

X

Write

L

H

L

A0

A1

Sector Protect without 12V

L

H

L

X

X

system (6)

Chip Unprotect without 12V

L

H

L

X

X

system (6)

Verify Sector Protect/Unprotect L

L

H

X

H

without 12V system (7)

Reset

X

X

X

X

X

A6

A9

Q0 ~ Q7

X

VID(2) C2H

X

VID(2) A4H

A6

A9

X

X

X

X

A6

A9

L

H

DOUT

HIGH Z

HIGH Z

DIN(3)

X

H

H

X

X

H

Code(5)

X

X

HIGH Z

Notes :

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

2. VID is the Silicon-ID-Read high voltage, 11.5V to 12.5V.

3. Refer to Table 1 for valid Data-In during a write operation.

4. X can be VIL or VIH.

5. Code=00H means unprotected.

Code=01H means protected.

A18~A16=Sector address for sector protect.

6. Refer to sector protect/unprotect algorithm and waveform.

Must issue "unlock for sector protect/unprotect" command before "sector protect/unprotect without 12V system"

command.

7. The "verify sector protect/unprotect without 12V system" is only following "Sector protect/unprotect without 12V

system" command.

P/N:PM1201

REV. 1.0, DEC. 20, 2005

6

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