MX29LV401B 查看數據表（PDF） - Macronix International

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MX29LV401B

4M-BIT [512K x 8 / 256K x 16] CMOS SINGLE VOLTAGE 3V ONLY FLASH MEMORY

Macronix International 

MX29LV401T/B

mand through the command register without requiring

VID, as shown in table4.

To verify whether or not sector being protected, the sec-

tor address must appear on the appropriate highest or-

der address bit (see Table 1 and Table 2). The rest of

address bits, as shown in table3, are don't care. Once

all necessary bits have been set as required, the pro-

gramming equipment may read the corresponding iden-

tifier code on Q7~Q0.

TABLE 3. MX29LV401T/B AUTOSELECT MODE OPERATION

Description

Mode CE

Read Silicon ID

L

Manfacturer Code

Read Silicon ID

Word L

(Top Boot Block)

Byte L

Device ID

Word L

(Bottom Boot Block) Byte L

A17 A11 A9 A8 A6 A5 A1 A0

OE WE RESET | |

|

|

A12 A10

A7

A2

L H H X X VID X L X L L

LHH

LHH

LHH

LHH

X X VID X L X L H

X X VID X L X L H

X X VID X L X L H

X X VID X L X L H

Sector Protection

Verification

L

L H H SA X VID X L X H L

NOTE:SA=Sector Address, X=Don't Care, L=Logic Low, H=Logic High

Q15~Q0

C2H

22B9H

XXB9H

22BAH

XXBAH

XX01H

(protected)

XX00H

(unprotected)

P/N:PM0853

REV. 0.0, SEP. 14, 2001

6

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