MT28F322D20 Micron Technology, MT28F322D20 Datasheet - Page 42

• Manufacturer Part Number: MT28F322D20
• Description: (MT28F322D18 / MT28F322D20) FLASH MEMORY
• Manufacturer: Micron Technology

2 Meg x 16 Async/Page/Burst Flash Memory
MT28F322D20FH_4.p65 – Rev. 4, Pub. 7/02
OFFSET
4A, 4B
39, 3A
37, 38
43, 44
48, 49
3D
4D
3B
3C
3E
40
41
42
45
46
47
4C
4E
3F
4F
0020, 0000
0000, 0001
0050, 0052
0003, 0000
0080, 0000
0003, 0003
DATA
00C0
0049
0030
0031
00E6
0003
0000
0000
0001
0018
0001
0003
0072
0002
0000
Bottom boot block device ……64KB
Major version number, ASCII
Minor version number, ASCII
Optional Feature and Command Support
Bit 0 Chip erase supported no = 0
Bit 1 Suspend erase supported = yes = 1
Bit 2 Suspend program supported = yes = 1
Bit 3 Chip lock/unlock supported = no = 0
Bit 4 Queued erase supported = no = 0
Bit 5 Instant individual block locking supported = yes = 1
Bit 6 Protection bits supported = yes = 1
Bit 7 Page mode read supported = yes = 1
Bit 8 Synchronous read supported = no = 0
Bit 9 Simultaneous operation supported = yes = 1
Program supported after erase suspend = yes
Bit 0 block lock status active = yes; Bit 1 block lock down active = yes
V
V
Number of protection register fields in JEDEC ID space
Background Operation
0000 = Not used
0001 = 4% block split
0002 = 12% block split
0003 = 25% block split
0004 = 50% block split
0000 = No burst mode
00x1 = 4 words MAX
00x2 = 8 words MAX
00x3 = 16 words MAX
001x = Linear burst, and/or
002x = Interleaved burst, and/or
004x = Continuous burst
Page Mode Type
0000 = No page mode
0001 = 4-word page
0002 = 8-word page
0003 = 16-word page
0004 = 32-word page
Not used
Top boot block device ……64KB
“PR”
“I”
Lock bytes LOW address, lock bytes HIGH address
2
Burst Mode Type
n
CC
PP
factory programmed bytes, 2
supply optimum, 00 = not supported, Bit7–Bit4 Volts in BCD; Bit3–Bit0 100mV in BCD
supply optimum, 00 = not supported, Bit7–Bit4 Volts in BCD; Bit3–Bit0 100mV in BCD
CFI (continued)
Table 15
ASYNC/PAGE/BURST FLASH MEMORY
42
n
user programmable bytes
DESCRIPTION
Micron Technology, Inc., reserves the right to change products or specifications without notice.
2 MEG x 16
©2002, Micron Technology, Inc.