參數(shù)資料
型號: LRS1331
廠商: Sharp Corporation
英文描述: Stacked Chip 16M Flash Memory and 4M SRAM
中文描述: 堆疊1,600閃存芯片和4M的SRAM
文件頁數(shù): 4/26頁
文件大?。?/td> 216K
代理商: LRS1331
LRS1331
Stacked Chip (16M Flash & 4M SRAM)
4
Data Sheet
NOTES:
1. L = V
IL
, H = V
IH
, X = H or L. Refer to DC Characteristics.
2. Refer to the
Flash Memory Command Definition
section for valid
address input and D
IN
during a write operation.
3. F-WP set to V
IL
or V
IH
.
4. SRAM standby data. See Table 2a.
5. Command writes involving block erase or word write are reliably
executed when V
CCWH
(2.7 V to 3.6 V) and F-V
CC
= 2.7 V to
3.6 V. Block erase or word write with F-V
CCW
< V
CCWH
(MIN.)
produce spurious results and should not be attempted.
6. Never hold F-OE LOW and F-WE LOW at the same timing.
7. S-LB, S-UB Control Mode. See Table 2b.
Table 2. Truth Table
1
FLASH
SRAM
F-CE
F-RP
F-OE
F-WE
S-CE
1
S-CE
2
S-OE
S-WE
S-LB
S-UB
DQ
0
-
DQ
7
DQ
8
-
DQ
15
NOTES
Read
Standby
L
H
L
H
See Note 4
X
X
See Note 4
D
OUT
HIGH-Z
2, 3
Output Disable
Standby
L
H
H
H
X
X
3
Write
Standby
L
H
H
L
X
X
D
IN
2, 3, 5, 6
Standby
Read
H
H
X
X
L
H
L
H
See Note 7
Output
Disable
H
H
X
X
L
H
H
H
X
X
HIGH-Z
H
H
X
X
L
H
X
X
H
H
HIGH-Z
Write
H
H
X
X
L
H
L
L
See Note 7
Reset
Read
X
L
X
X
L
H
L
H
Output
Disable
X
L
X
X
L
H
H
H
X
X
HIGH-Z
X
L
X
X
L
H
X
X
H
H
HIGH-Z
Write
X
L
X
X
L
H
L
L
See Note 7
Standby
Standby
H
H
X
X
See Note 4
X
X
See Note 4
HIGH-Z
3
Reset
Standby
X
L
X
X
X
X
HIGH-Z
3
Table 2a.
MODE
PINS
S-CE
1
S-CE
2
S-LB
S-UB
Standby
(SRAM)
H
X
X
X
X
L
X
X
X
X
H
H
Table 2b.
MODE
(SRAM)
PINS
S-LB
S-UB
DQ
0
- DQ
7
DQ
8
- DQ
15
Read/Write
L
L
D
OUT
/D
IN
D
OUT
/D
IN
HIGH-Z
D
OUT
/D
IN
HIGH-Z
L
H
H
L
D
OUT
/D
IN
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