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M69AR048B View Datasheet(PDF) - STMicroelectronics

Part NameDescriptionManufacturer
M69AR048B 32 Mbit (2Mb x16) 1.8V Asynchronous PSRAM ST-Microelectronics
STMicroelectronics ST-Microelectronics
M69AR048B Datasheet PDF : 29 Pages
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M69AR048B
Table 4. Power-Down Program Sequence
Cycle #
Operation
1st
Read
2nd
Write
3rd
Write
4th
Write
5th
Write
6th
Read
Note: 1. PDC Power-Down Configuration.
Table 5. Power-Down Configuration Data
Mode
Deep Power-Down (default)
4Mb Partial Power-Down
8Mb Partial Power-Down
16Mb Partial Power-Down
DQ15–DQ9
0
0
0
0
Address
1FFFFFh (MSB)
1FFFFFh
1FFFFFh
1FFFFFh
1FFFFFh
PDC Address(1)
Data
Read Data (RDa)
RDa
RDa
0000h
PDC Data(1)
Read Data (RDb)
Power-Down Configuration Data
DQ8-DQ2
DQ1
0
1
0
1
0
0
0
0
DQ0
1
0
1
0
Table 6. Power-Down Configuration Addresses
Mode
Power-Down Configuration Addresses
A20
A19
A18–A0
Deep Power-Down (default)
1
1
1
4Mb Partial Power-Down
0
1
1
8Mb Partial Power-Down
1
0
1
16Mb Partial Power-Down
0
0
1
Binary
1FFFFFh
0FFFFFh
17FFFFh
07FFFFh
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