MT28F002B5 Micron Semiconductor Products, Inc., MT28F002B5 Datasheet - Page 27

• Manufacturer Part Number: MT28F002B5
• Description: 2Mb Smart 5 Boot Block Flash Memory
• Manufacturer: Micron Semiconductor Products, Inc.

TIMING PARAMETERS
Commercial Temperature (0 C
Extended Temperature (-40 C
NOTE: 1. Address inputs are “Don’t Care” but must be held stable.
2Mb Smart 5 Boot Block Flash Memory
F50.p65 – Rev. 1/00
SYMBOL
t
t
t
t
t
t
t
t
t
t
t
WC
WC
WPH
WPH
WP
WP
AS
AH
DS
DH
CS
A0-A16/(A17)
DQ0-DQ15
DQ0-DQ7/
4
5
4
5
4
5
WP#
RP#
2. If BYTE# is LOW, data and command are 8-bit. If BYTE# is HIGH, data is 16-bit and command is 8-bit (MT28F200B5
3. Either RP# at V
4. Measurements tested under AC Test Condition 1, V
5. Measurements tested under AC Test Condition 2, V
WE#
OE#
CE#
V
PP
only).
2
3
3
V
V
PPH1
V
PPLK
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
HH
IH
IH
IH
IH
IH
IH
IH
IL
IL
IL
IL
IL
IL
IL
IL
ERASE SETUP input
t CS
t RS
WRITE SETUP or
t WP
HH
t DS
or WP# HIGH unlocks the boot block.
t AS
MIN
70
60
20
20
50
50
50
50
0
0
0
Note 1
-6
CMD
MAX
in
T
T
A
A
t AH
+85 C)
t CH
+70 C)
t WC
t WPH
WE#-CONTROLLED WRITE/ERASE
MIN
t DH
80
30
50
50
50
–
–
–
0
0
0
-8/-8 ET
WRITE or ERASE (block)
t DS
address asserted, and
WRITE data or ERASE
CONFIRM issued
t VPS1
t AS
t RHS
MAX
WRITE/ERASE CYCLE
Data-in
CMD/
A
IN
UNITS
[Unlock boot block]
[Unlock boot block]
SMART 5 BOOT BLOCK FLASH MEMORY
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
t AH
[5V V
t DH
t WED1/2/3/4
CC
CC
27
PP
t WB
= 5V 10%.
= 5V 5%.
]
SYMBOL
t
t
t
t
t
t
t
t
t
t
t
CH
VPS1
RS
RHS
WED1
WED2
WED3
WED4
WB
VPH
RHH
Micron Technology, Inc., reserves the right to change products or specifications without notice.
(SR7=0)
Status
executed, status register
checked for completion
WRITE or ERASE
(SR7=1)
MIN
Status
200
500
100
300
300
600
200
t VPH
t RHH
0
6
0
0
-6
MAX
Command for next
operation issued
MIN
200
500
100
300
300
600
200
©2000, Micron Technology, Inc.
0
6
0
0
-8/-8 ET
DON’T CARE
CMD
in
MAX
2Mb
UNITS
ms
ms
ms
ns
ns
ns
ns
ns
ns
ns
s