参数资料
型号: M69AW024B
厂商: 意法半导体
英文描述: 16 Mbit (1M x16) 3V Asynchronous PSRAM
中文描述: 16兆位(1米× 16)3V的异步移动存储芯片
文件页数: 8/29页
文件大小: 429K
代理商: M69AW024B
M69AW024B
8/29
Table 2. Operating Modes
Note: 1. X = V
IH
or V
IL
.
2. Output Disable mode should not be kept longer than 1μs.
3. Power-down mode can be entered from Stand-by state, and all DQ pins are in Hi-Z state.
4. Can be either VIL or VIH but must be valid before Read or Write.
5. Byte Read is not supported.
6. Either or both LB and UB must be Low, V
IL
, for Read operations.
Operation
E2
E1
W
G
LB
UB
A0-A19
DQ0-DQ7
DQ8-
DQ15
I
CC
Data Re-
tention
Standby (Deselect)
V
IH
V
IH
X
(1)
X
(1)
X
(1)
X
(1)
X
(1)
Hi-Z
Hi-Z
I
SB
Yes
Output Disabled
(2)
V
IH
V
IL
V
IH
V
IH
X
(1)
X
(1)
Note
(4)
Hi-Z
Hi-Z
I
CC
Yes
Output Disabled
(No Read)
V
IH
V
IL
V
IH
V
IL
V
IH
V
IH
Valid
Hi-Z
Hi-Z
I
CC
Yes
Word Read(5)
V
IH
V
IL
V
IH
V
IL
V
IL(6)
Valid
Output Valid
I
CC
Yes
Word Read
V
IH
V
IL
V
IH
V
IL
V
IL
V
IL
Valid
Output Valid
I
CC
Yes
Upper Byte Write
V
IH
V
IL
V
IL
V
IH
V
IH
V
IL
Valid
Invalid
Input Valid
I
CC
Yes
Lower Byte Write
V
IH
V
IL
V
IL
V
IH
V
IL
V
IH
Valid
Input Valid
Invalid
I
CC
Yes
Word Write
V
IH
V
IL
V
IL
V
IH
V
IL
V
IL
Valid
Input Valid
Input Valid
I
CC
Yes
Power-down
(3)
V
IL
X
(1)
X
(1)
X
(1)
X
(1)
X
(1)
X
(1)
Hi-Z
Hi-Z
I
PD
No
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