MT28F400B5WP-8 B TR Micron Technology Inc, MT28F400B5WP-8 B TR Datasheet - Page 6
![IC FLASH 4MBIT 80NS 48TSOP](/photos/7/22/72295/557-48-tsop_sml.jpg)
MT28F400B5WP-8 B TR
Manufacturer Part Number
MT28F400B5WP-8 B TR
Description
IC FLASH 4MBIT 80NS 48TSOP
Manufacturer
Micron Technology Inc
Datasheet
1.MT28F004B5VG-8_B.pdf
(32 pages)
Specifications of MT28F400B5WP-8 B TR
Format - Memory
FLASH
Memory Type
FLASH - Nor
Memory Size
4M (512K x 8 or 256K x 16)
Speed
80ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
0°C ~ 70°C
Package / Case
48-TSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
TRUTH TABLE (MT28F004B5)
Notes: 1. L = V
09005aef8075d1f1
MT28F004B5.fm - Rev. 4, Pub. 2/2004
FUNCTION
Standby
RESET
READ
READ
Output Disable
WRITE/ERASE (EXCEPT BOOT BLOCK)2
ERASE SETUP
ERASE CONFIRM
WRITE SETUP
WRITE
READ ARRAY
WRITE/ERASE (BOOT BLOCK)
ERASE SETUP
ERASE CONFIRM
ERASE CONFIRM
WRITE SETUP
WRITE
WRITE
READ ARRAY
DEVICE IDENTIFICATION
Manufacturer Compatibility
Device (top boot)
Device (bottom boot)
4
4
4, 6
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# = V
7. A1–A8, A10–A18 = V
PPH
5
5
IL
= 5V.
3
3
3, 6
, H = V
IH
, X = V
IH
7
, RP# may be at V
2
IL
IL
.
or V
RP#
V
V
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
HH
HH
IH
.
1
IH
CE#
H
X
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
or V
HH
SMART 5 BOOT BLOCK FLASH MEMORY
.
OE#
H
H
H
H
H
H
H
H
H
H
H
H
H
X
X
L
L
L
L
6
WE#
H
H
H
H
H
X
X
L
L
L
L
L
L
L
L
L
L
L
L
Micron Technology, Inc., reserves the right to change products or specifications without notice.
WP#
X
X
X
X
X
X
X
X
X
X
X
H
X
X
H
X
X
X
X
A0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
H
H
L
A9
V
V
V
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
ID
ID
ID
V
V
V
V
V
V
V
PPH
PPH
PPH
PPH
PPH
PPH
X
X
X
X
X
X
X
X
X
X
X
X
X
PP
©2002 Micron Technology, Inc.
DQ0–DQ7
Data-Out
10h/40h
10h/40h
Data-In
Data-In
Data-In
4Mb
High-Z
High-Z
High-Z
D0h
D0h
D0h
20h
20h
89h
78h
79h
FFh
FFh