MR25H10 Everspin Technologies, Inc, MR25H10 Datasheet - Page 9
MR25H10
Manufacturer Part Number
MR25H10
Description
Mr25h10 1mb Serial Spi Mram
Manufacturer
Everspin Technologies, Inc
Datasheet
1.MR25H10.pdf
(18 pages)
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Enter Sleep Mode (SLEEP)
The Enter Sleep Mode (SLEEP) command turns off all MRAM power regulators in order to reduce the overall
chip standby power to 3 μA typical. The SLEEP command is entered by driving CS low, sending the com-
mand code, and then driving CS high. The standby current is achieved after time, t
Exit Sleep Mode (WAKE)
The Exit Sleep Mode (WAKE) command turns on internal MRAM power regulators to allow normal operation.
The WAKE command is entered by driving CS low, sending the command code, and then driving CS high.
The memory returns to standby mode after t
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SPI COMMUNICATIONS PROTOCOL
SCK
SCK
CS
CS
SO
SO
SI
SI
1
1
0
0
0
0
1
1
1
1
2
2
Active Current
Instruction (B9h)
Instruction (ABh)
1
0
3
3
Sleep Mode Current
1
1
4
4
RDP
Figure 2.7 SLEEP
Figure 2.8 WAKE
. The CS pin must remain high until the t
0
0
5
5
0
1
9
6
6
1
1
7
7
Document Number: MR25H10 Rev. 4, 2/2010
Standby Current
t
t
RDP
DP
DP
.
MR25H10
RDP
Sleep Mode Current
period is over.
Standby Current
Mode 3
Mode 0
Mode 3
Mode 0