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M69AR048B Datasheet(PDF) 10 Page - STMicroelectronics

Part # M69AR048B
Description  32 Mbit (2Mb x16) 1.8V Asynchronous PSRAM
PDF  29 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M69AR048B Datasheet(HTML) 10 Page - STMicroelectronics

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Table 4. Power-Down Program Sequence
Note: 1. PDC Power-Down Configuration.
Table 5. Power-Down Configuration Data
Table 6. Power-Down Configuration Addresses
Cycle #
Operation
Address
Data
1st
Read
1FFFFFh (MSB)
Read Data (RDa)
2nd
Write
1FFFFFh
RDa
3rd
Write
1FFFFFh
RDa
4th
Write
1FFFFFh
0000h
5th
Write
1FFFFFh
PDC Data(1)
6th
Read
PDC Address(1)
Read Data (RDb)
Mode
Power-Down Configuration Data
DQ15–DQ9
DQ8-DQ2
DQ1
DQ0
Deep Power-Down (default)
0
0
1
1
4Mb Partial Power-Down
0
0
1
0
8Mb Partial Power-Down
0
0
0
1
16Mb Partial Power-Down
0
0
0
0
Mode
Power-Down Configuration Addresses
A20
A19
A18–A0
Binary
Deep Power-Down (default)
1
1
1
1FFFFFh
4Mb Partial Power-Down
0
1
1
0FFFFFh
8Mb Partial Power-Down
1
0
1
17FFFFh
16Mb Partial Power-Down
0
0
1
07FFFFh



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