29LV400C-90 datasheet(9/68 Pages) MCNIX

Part #	29LV400C-90

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

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Manufacturer	MCNIX [Macronix International]

Direct Link	http://www.macronix.com

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9

P/N:PM1155

MX29LV400C T/B

REV. 1.5, APR. 24, 2006

ADDRESS

Q8~Q15

DESCRIPTION

CE#

OE# WE# RE-

A17 A10 A9 A8

A6 A5 A1

A0

Q0~Q7

BYTE

SET#

A11

A7

A2

=VIH

=VIL

Read

L

H

AIN

Dout

Q8~Q14=High Z

Q15=A-1

Write

L

H

L

H

AIN

DIN(3)

DIN

Q8~Q14=High Z

Q15=A-1

Reset

X

L

X

High Z

Temporary sector unlock

X

VID

AIN

DIN

High Z

Output Disable

L

H

X

High Z

Standby

Vcc

±

X

Vcc

±

X

High Z

0.3V

Sector Protect

L

H

L

VID

SA

X

L

X

H

L

DIN

X

Chip Unprotect

L

H

L

VID

X

H

X

H

L

DIN

X

Sector Protection Verify

L

H

SA

X

VID

X

L

X

H

L

CODE(5)

X

TABLE 5. MX29LV400C T/B BUS OPERATION

NOTES:

1. Manufacturer and device codes may also be accessed via a command register write sequence. Refer to Table 4.

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

3. Refer to Table 4 for valid Data-In during a write operation.

4. X can be VIL or VIH.

5. Code=00H/XX00H means unprotected.

Code=01H/XX01H means protected.

6. A17~A12=Sector address for sector protect.

7. The sector protect and chip unprotect functions may also be implemented via programming equipment.

sequences. Note that the Erase Suspend (B0H) and

Erase Resume (30H) commands are valid only while the

Sector Erase operation is in progress.

COMMAND DEFINITIONS

Device operations are selected by writing specific ad-

dress and data sequences into the command register.

Writing incorrect address and data values or writing them

in the improper sequence will reset the device to the

read mode. Table 4 defines the valid register command

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29LV400C-90 Datasheet(PDF) 9 Page - Macronix International

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