MT28F400B3WG-8 TET TR Micron Technology Inc, MT28F400B3WG-8 TET TR Datasheet - Page 25
![IC FLASH 4MBIT 80NS 48TSOP](/photos/7/22/72295/557-48-tsop_sml.jpg)
MT28F400B3WG-8 TET TR
Manufacturer Part Number
MT28F400B3WG-8 TET TR
Description
IC FLASH 4MBIT 80NS 48TSOP
Manufacturer
Micron Technology Inc
Datasheet
1.MT28F004B3VG-8_B.pdf
(30 pages)
Specifications of MT28F400B3WG-8 TET TR
Format - Memory
FLASH
Memory Type
FLASH - Nor
Memory Size
4M (512K x 8 or 256K x 16)
Speed
80ns
Interface
Parallel
Voltage - Supply
3 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Package / Case
48-TSOP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Timing Parameters
Commercial Temperature (0°C ≤ T
Extended Temperature (-40°C ≤ T
NOTE:
09005aef8114a789
F45.fm - Rev. E 6/04 EN
t
t
t
t
t
t
t
t
t
t
1. Address inputs are “Don’t Care” but must be held stable.
2. If BYTE# is LOW, data and command are 8-bit. If BYTE# is HIGH, data is 16-bit and command is 8-bit (MT28F400B3 only).
3. Either RP# at
WC
WPH
WP
AS
AH
DS
DH
CS
CH
VPS1
SYMBOL
A0–A17/(A18)
DQ0–DQ15
DQ0–DQ7/
WP#
RP#
WE#
OE#
CE#
V
V
PP
HH
2
3
3
MIN
V
V
V
200
PPH2
PPH1
V
PPLK
80
20
50
50
50
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
0
0
0
0
HH
or WP# HIGH unlocks the boot block.
IH
IH
IH
IH
IH
IH
IH
IL
IL
IL
IL
IL
IL
IL
IL
-8/-8 ET
ERASE SETUP input
t CS
t RS
WRITE SETUP or
t WP
t DS
t AS
A
A
MAX
≤ +85°C)
Note 1
≤ +70°C)
CMD
in
Figure 12: WRITE/ERASE Cycle
WE#-Controlled WRITE/ERASE
t AH
t CH
t WC
t WPH
t DH
WRITE or ERASE (block)
t DS
WRITE data or ERASE
address asserted, and
CONFIRM issued
t VPS1
UNITS
t AS
t VPS2
t RHS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Data-in
CMD/
A
IN
SMART 3 BOOT BLOCK FLASH MEMORY
[Unlock boot block]
[Unlock boot block]
t AH
[3.3V V
[3.3V V
[5V V
t DH
t WED1/2/3/4
25
PP
t WB
PP
PP
]
]
]
t
t
t
t
t
t
t
t
t
t
VPS2
RS
RHS
WED1
WED2
WED3
WED4
WB
VPH
RHH
SYMBOL
(SR7=0)
Micron Technology, Inc., reserves the right to change products or specifications without notice.
Status
executed, status register
checked for completion
WRITE or ERASE
1,000
MIN
100
100
100
100
500
200
2
0
0
(SR7=1)
Status
t VPH
t RHH
-8/-8 ET
©2003 Micron Technology, Inc. All rights reserved.
Command for next
operation issued
MAX
DON’T CARE
CMD
in
UNITS
4Mb
ms
ms
ms
ns
ns
ns
µs
ns
ns
ns