lh28f004su-nc Sharp Microelectronics of the Americas, lh28f004su-nc Datasheet - Page 6

• Manufacturer Part Number: lh28f004su-nc
• Description: 512k Flash Memory
• Manufacturer: Sharp Microelectronics of the Americas

LH28F004SU-NC
BUS OPERATIONS, COMMANDS AND STATUS REGISTER DEFINITIONS
Bus Operations
NOTES:
1. X can be V
2. RY
3. RP
4. A
5. Commands for different Erase operations, Data Write
6. While the WSM is running, RY
7. RY
8. Only to RP
6
Read
Output Disable
Standby
Deep Power-Down
Manufacturer ID
Device ID
Write
power-down mode, RY
at V
All other addresses are set to zero.
be successfully completed when V
RY
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
»
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 register
RP
V
V
V
V
V
V
V
IH
IH
IH
IH
IH
IH
IL
»
will be at V
»
»
while a WSM operation is in progress.
»
/ BY
CE
V
V
V
V
V
V
X
»
PP
IH
IL
IL
IL
IL
IL
in Level-Mode (default) stays at V
»
= V
OH
PPH
if it is tied to V
OE
V
V
0
V
V
V
X
X
at V
IH
IH
IL
IL
IL
.
»
IH
provide device ID codes. Device ID code = 21H.
WE
V
V
V
V
V
X
X
O
IH
IH
IH
IH
IL
perations, and Lock-Block operations can only
CC
through a resistor. When the RY
»
/ BY
V
V
A
X
X
X
X
X
»
IH
, which is either V
IL
0
OL
High-Z
High-Z
High-Z
until all operations are complete.
DQ
D
B0H
D
OUT
ID
IN
0-7
OL
RY
V
V
V
or V
X
X
X
OH
OH
OH
X
»
/ BY
OH
»
»
.
/ BY
1, 2, 7
1, 6, 7
1, 6, 7
1, 5, 6
NOTE
»
1, 3
4
4
4M (512K × 8) Flash Memory