MR25H256CDC EverSpin Technologies Inc, MR25H256CDC Datasheet - Page 14

• Manufacturer Part Number: MR25H256CDC
• Description: IC MRAM 256KBIT 40MHZ 8DFN
• Manufacturer: EverSpin Technologies Inc

Specifications of MR25H256CDC

• Format - Memory: RAM
• Memory Type: MRAM (Magnetoresistive RAM)
• Memory Size: 256K (32K x 8)
• Speed: 40MHz
• Interface: SPI Serial
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-VDFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 819-1015

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Everspin Technologies © 2010
Automotive t
TIMING SPECIFICATIONS
Synchronous Data Timing
Parameter
SCK Clock Frequency
Input Rise Time
Input Fall Time
SCK High Time
SCK Low Time
Synchronous Data Timing (See figure 4.4)
CS High Time
CS Setup Time
CS Hold Time
Data In Setup Time
Data In Hold Time
Output Valid
Output Hold Time
HOLD Timing (See figure 4.5)
HOLD Setup Time
HOLD Hold Time
HOLD to Output Low Impedance
HOLD to Output High Impedance
Other Timing Specifications
WP Setup To CS
WP Hold From CS
Sleep Mode Entry Time
Sleep Mode Exit Time
Output Disable Time
Operating Temperature Range, V
2
V
is TBD.
DD
=2.7 to 3.6 V, C
Table 4.4 AC Timing Parameters
Symbol
f
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
SCK
RI
RF
WH
WL
CS
CSS
CSH
SU
H
V
HO
HD
CD
LZ
HZ
WPS
WPH
DP
RDP
DIS
L
= 30 pF
Min
0
-
-
11
11
40
10
10
5
5
0
0
10
10
-
-
5
5
3
400
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Document Number: MR25H256 Rev. 2, 4/2010
Typical
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1
Max
40
50
50
-
-
-
-
-
-
-
9
-
-
-
20
20
-
-
-
-
-
MR25H256
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
μs
μs
ns