MX29LV800BT データシートの表示（PDF） - Macronix International

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MX29LV800BT

8M-BIT [1Mx8/512K x16] CMOS SINGLE VOLTAGE 3V ONLY FLASH MEMORY

Macronix International 

MX29LV800BT/BB

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 5 defines the valid register command

sequences. Note that the Erase Suspend (B0H) and

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

Sector Erase operation is in progress.

TABLE 6. MX29LV800BT/BB BUS OPERATION

ADDRESS

Q8~Q15

DESCRIPTION

CE# OE# WE# RESET# A18 A10 A9 A8 A6 A5 A1 A0 Q0~Q7 BYTE BYTE

A12 A11

A7

A2

=VIH =VIL

Read

L LH H

AIN

Dout Dout Q8~Q14

=High Z

Q15=A-1

Write

LHL H

AIN

DIN(3) DIN

Reset

XXX L

X

High Z High Z High Z

Temporary sector unlock X X X VID

AIN

DIN DIN High Z

Output Disable

L HH H

X

High Z High Z High Z

Standby

Vcc± X X Vcc±

X

High Z High Z High Z

0.3V

0.3V

Sector Protect

L H L VID SA X X X L X H L DIN

X

X

Chip Unprotected

L H L VID X X X X H X H L DIN

X

X

Sector Protection Verify L L H H SA X VID X L X H L CODE(5) X

X

NOTES:

1. Manufacturer and device codes may also be accessed via a command register write sequence. Refer to Table 5.

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

3. Refer to Table 5 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. A18~A12=Sector address for sector protect.

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

P/N:PM1062

REV. 1.3, DEC. 20, 2004

11

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