lh28f400su-nc Sharp Microelectronics of the Americas, lh28f400su-nc Datasheet - Page 7

• Manufacturer Part Number: lh28f400su-nc
• Description: 512k 256k Flash Memory
• Manufacturer: Sharp Microelectronics of the Americas

4M (512K × 8, 256K × 16) Flash Memory
BUS OPERATIONS, COMMANDS AND STATUS REGISTER DEFINITIONS
Bus Operations for Word-Wide Mode (BY
Bus Operations for Byte-Wide Mode (BY
NOTES:
1. X can be V
2. RY
3. RP
4. A
5. Commands for different Erase operations, Data Write operations, and Lock-Block operations can only
6. While the WSM is running, RY
7. RY
8. Only to RP
Read
Output Disable
Standby
Deep Power-Down
Manufacturer ID
Device ID
Write
Read
Output Disable
Standby
Deep Power-Down
Manufacturer ID
Device ID
Write
power-down mode, RY
at V
Device ID Code = 6621H (x16). All other addresses are set to zero.
be successfully completed when V
RY
register read during a write operation.
0
»
»
»
»
at V
/ BY
/ BY
/ BY
OL
at GND ± 0.2 V ensures the lowest deep power-down current.
MODE
MODE
»
is independent of OE
»
»
IL
goes to V
may be at V
output is open drain. When the WSM is ready, Erase is suspended or the device is in deep
provide manufacturer ID codes. A
IH
»
, V
or V
IH
(MIN.) = 2.4 V at TTL-level input.
IL
OH
for address or control pins except for RY
OL
when the WSM is not busy or in erase suspend mode.
»
/ BY
while the WSM is busy performing various operations. For example, a status
RP
V
V
V
V
V
V
RP
V
V
V
V
V
V
V
V
IH
IH
IH
IH
IH
IH
IH
IH
IH
IH
IH
IH
IL
IL
»
will be at V
»
»
»
while a WSM operation is in progress.
»
/ BY
CE
V
CE
V
V
V
V
V
V
V
V
V
V
V
X
X
»
PP
IH
IH
IL
IL
IL
IL
IL
IL
IL
IL
IL
IL
in Level-Mode (default) stays at V
»
»
= V
OL
PPH
if it is tied to V
OE
V
V
OE
V
V
0
V
V
V
V
V
V
X
X
X
X
at V
IH
IH
IH
IH
IL
IL
IL
IL
IL
IL
.
»
»
IH
provide device ID codes. Device ID code= 21H (x8).
WE
V
V
V
V
WE
V
V
V
V
V
V
X
X
X
X
IH
IH
IH
IH
IH
IH
IH
IH
IL
IL
CC
through a resistor. When the RY
»
T E
»
/ BY
»
T E
V
V
V
V
A
A
X
X
X
X
X
X
X
X
X
X
»
IH
»
IH
, which is either V
IL
IL
»
0
0
= V
= V
OL
IL
IH
DQ
High-Z
High-Z
High-Z
00B0H
High-Z
High-Z
High-Z
until all operations are complete.
DQ
D
D
)
B0H
D
D
)
OUT
ID
OUT
ID
0-15
IN
IN
0-7
OL
RY
RY
V
V
V
V
V
V
or V
X
X
X
OH
OH
OH
X
X
X
X
OH
OH
OH
X
»
/ BY
»
/ BY
OH
»
»
»
/ BY
.
1, 2, 7
1, 6, 7
1, 6, 7
1, 5, 6
1, 2, 7
1, 6, 7
1, 6, 7
1, 5, 6
NOTE
NOTE
»
1, 3
1, 3
4
4
4
4
LH28F400SU-NC
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