MT28F400B3 Micron Technology, MT28F400B3 Datasheet - Page 5

• Manufacturer Part Number: MT28F400B3
• Description: (MT28F004B3 / MT28F400B3) FLASH MEMORY
• Manufacturer: Micron Technology

Table 2:
NOTE:
10. Value reflects DQ8–DQ15.
09005aef8114a789
F45.fm - Rev. E 6/04 EN
Standby
RESET
READ
READ (word mode)
READ (byte mode)
Output Disable
WRITE/ERASE (EXCEPT BOOT BLOCK)
ERASE SETUP
ERASE CONFIRM
WRITE SETUP
WRITE (word mode)
WRITE (byte mode)
READ ARRAY
WRITE/ERASE (BOOT BLOCK)
ERASE SETUP
ERASE CONFIRM
ERASE CONFIRM
WRITE SETUP
WRITE (word mode)
WRITE (word mode)
WRITE (byte mode)
WRITE (byte mode)
READ ARRAY
DEVICE IDENTIFICATION
Manufacturer Compatibility
(word mode)
Manufacturer Compatibility
(byte mode)
Device (word mode, top boot)
Device (byte mode, top boot)
Device (word mode, bottom
boot)
Device (byte mode, bottom
boot)
1. L = V
2. V
3. Operation must be preceded by ERASE SETUP command.
4. Operation must be preceded by WRITE SETUP command.
5. The READ ARRAY command must be issued before reading the array after writing or erasing.
6. When WP# =
7.
8.
9. A1–A8, A10–A17 = V
V
V
PPH
HH
ID
10
= 12V; may also be read by issuing the IDENTIFY DEVICE command.
= 12V.
IL
= V
(LOW), H =
FUNCTION
PPH
10
5
5
1 (3.3V) or V
Truth Table (MT28F400B3)
3
3
3, 6
V
IH
4
4
4, 6
4
4
4, 6
, RP# may be at
V
IH
IL
.
8, 9
(HIGH), X = V
PPH
10
2, 7
2 (5V).
RP#
V
V
V
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
HH
HH
HH
V
IH
2
IL
CE#
or
H
X
or
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
V
V
HH
IH
OE# WE# WP#
.
X
X
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
(“Don’t Care”).
H
H
H
H
H
H
H
H
H
1
X
X
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
SMART 3 BOOT BLOCK FLASH MEMORY
X
X
X
X
X
X
X
X
X
X
X
X
X
H
X
X
H
X
H
X
X
X
X
X
X
X
5
BYTE#
X
X
H
X
X
X
X
H
X
X
X
X
X
H
H
X
H
H
H
L
L
L
L
L
L
L
Micron Technology, Inc., reserves the right to change products or specifications without notice.
A0
H
H
H
H
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
L
L
V
V
V
V
V
V
A9
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
ID
ID
ID
ID
ID
ID
V
V
V
V
V
V
V
V
V
V
PPH
PPH
PPH
PPH
PPH
PPH
PPH
PPH
PPH
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
PP
Data-Out Data-Out Data-Out
Data-Out
10h/40h
10h/40h
Data-In
Data-In
Data-In
Data-In
Data-In
Data-In
High-Z
High-Z
High-Z
DQ0–
DQ7
D0h
D0h
D0h
20h
FFh
20h
FFh
89h
89h
70h
70h
71h
71h
©2003 Micron Technology, Inc. All rights reserved.
Data-In
Data-In
Data-In
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
DQ14
DQ8–
00h
44h
44h
X
X
X
X
X
X
X
X
X
X
X
X
4Mb
Data-In
Data-In
Data-In
High-Z
High-Z
High-Z
DQ15/
A-1
A-1
A-1
A-1
A-1
X
X
X
X
X
X
X
X
X
X
X
X
–
–
–