mt29f1gxxabb Micron Semiconductor Products, mt29f1gxxabb Datasheet - Page 45

• Manufacturer Part Number: mt29f1gxxabb
• Description: 1gb X8, X16 Nand Flash Memory
• Manufacturer: Micron Semiconductor Products

Figure 36:
PDF: 09005aef81dc05df / Source: 09005aef821d5f08
1gb_nand_m48a__2.fm - Rev. E 1/08 EN
command
UNLOCK command
with invert area
LOCK
WP# LOW > 100ns
bit = 1
WP# LOW
Locked-tight range
BLOCK LOCK Flow Chart
Entire NAND Flash
array locked tight
Unlocked range
Unlocked range
Unlocked range
Unlocked range
>100ns
Locked range
LOCK-TIGHT command
with WP# and LOCK HIGH
LOCK-TIGHT command
with WP# and
LOCK HIGH
Entire NAND Flash
UNLOCK command with invert area bit = 1
UNLOCK command invert area bit = 0
array locked
Power-up with
LOCK HIGH
UNLOCK command with
LOCK command
45
invert area bit = 1
WP# LOW > 100ns
Power-up
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Locked-tight range
Locked-tight range
1Gb: x8, x16 NAND Flash Memory
Unlocked range
Unlocked range
Locked range
Locked range
Power-up with
UNLOCK command with
invert area bit = 0
LOCK-TIGHT command
with WP# and LOCK HIGH
LOCK LOW
(default)
Command Definitions
BLOCK LOCK function
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UNLOCK command with
invert area bit = 0
disabled