M69AR048BL70ZB8T STMicroelectronics, M69AR048BL70ZB8T Datasheet - Page 9

• Manufacturer Part Number: M69AR048BL70ZB8T
• Manufacturer: STMicroelectronics

Specifications of M69AR048BL70ZB8T

• Operating Temperature (max): 85C
• Mounting: Surface Mount
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Not Compliant

uration data is written. The data of the fourth cycle
must be all 0s, and the data of the fifth cycle is the
Power-Down Configuration data (see
5., Power-Down Configuration
cycle is written into a different address, the se-
quence is aborted. In the last cycle, a read is made
from the specific Power-Down Configuration ad-
dress (see
Addresses). The Power-Down Configuration data
Table 2. Operating Modes
Note: X = V
Table 3. Power-Down Modes
Standby (Deselected)
Power-down
No Read
Lower Byte Read
Lower Byte Write
No Write
Upper Byte Read
Upper Byte Write
Word Read
Word Write
Deep Power-Down (default)
4M Partial Power-Down
8M Partial Power-Down
16M Partial Power-Down
1. Should not be kept in this logic condition for a period longer than 1µs.
2. Power-Down mode can be entered from Standby state and all DQ pins are in High-Z state. The Power-Down current and data re-
3. G can be V
Operation
tention depend on the selection of the Power-Down programming.
a. Write pulse is initiated by E1 (E1 Controlled Write timing), or cycle time of the previous operation cycle is satisfied;
b. G stays V
IH
(1)
or V
(1)
(1)
(2)
Table 6., Power-Down Configuration
IL
.
Mode
IL
(1)
(1)
(1)
(1)
IL
during the Write operation if the following conditions are satisfied:
during the entire Write cycle.
V
V
V
V
V
V
V
V
V
E1
X
IH
IL
IL
IL
IL
IL
IL
IL
IL
V
V
V
V
V
V
V
V
V
E2
V
IH
IH
IH
IH
IH
IH
IH
IH
IH
IL
Data). If the fourth
V
V
V
V
V
V
V
V
W
X
X
IH
IH
IH
IH
IL
IL
IL
IL
V
V
V
V
V
V
V
V
IH
G
X
X
IH
IH
IH
IL
IL
IL
IL
(3)
Table
Data Retention
V
V
V
V
LB
V
V
V
V
X
X
IH
IH
IH
IH
IL
IL
IL
IL
16 Mbit
4 Mbit
8 Mbit
No
UB
V
V
V
V
V
V
V
V
X
X
and address must correspond, otherwise the se-
quence is aborted.
When this sequence is performed to take the de-
vice from one Partial Power-Down mode to anoth-
er, the write data may be lost. So, if a Partial
Power-Down mode is used, this sequence should
be performed prior to any normal read or write op-
erations.
IH
IH
IH
IH
IL
IL
IL
IL
Data Output
Data Output
Data Input
Data Input
DQ0-DQ7
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Data Output
Data Output
DQ8-DQ15
Data Input
Data Input
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Retention Address
00000h – 3FFFFh
00000h – 7FFFFh
00000h – FFFFFh
N/A
Power-Down (I
Output Disable
Output Disable
I
Standby (I
CCP4
Active (I
Active (I
Active (I
Active (I
Active (I
Active (I
M69AR048B
I
Power
CCP16
, I
CCP8
CC
CC
CC
CC
CC
CC
)
SB
CCPD
)
)
)
)
)
)
or
)
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