mr4a16b Everspin Technologies, Inc, mr4a16b Datasheet - Page 3

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mr4a16b

Manufacturer Part Number
mr4a16b
Description
1m X 16 Mram
Manufacturer
Everspin Technologies, Inc
Datasheet

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Everspin Technologies © 2010
DEVICE PIN ASSIGNMENT
1
2
Hi-Z = high impedance
H = high, L = low, X = don’t care
E
H
L
L
L
L
L
L
L
L
1
G
H
X
X
X
X
X
L
L
L
1
DQU14
DQU15
W
DQU9
DQU8
A18
V
LB
V
H
H
H
H
X
X
1
L
L
L
SS
DD
1
DQU10
DQU11
DQU12
DQU13
UB
NC
Figure 1.2 Pin Diagrams for Available Packages (Top View)
A8
G
2
LB
H
H
H
X
X
L
L
L
L
48-Pin BGA
1
A17
A14
A12
DC
A9
A0
A3
A5
3
UB
H
H
H
X
X
L
L
L
L
A16
A15
A13
A10
A4
A6
A7
A1
4
1
Upper Byte Write
Upper Byte Read
Lower Byte Write
Lower Byte Read
DQL3
Output disabled
Output disabled
DQL1
DQL4
DQL5
A11
A2
W
5
E
Not selected
Table 1.2 Operating Modes
Word Write
Word Read
Mode
DQL2
A19
DQL0
DQL6
DQL7
NC
V
V
6
DD
SS
A
B
C
D
E
F
G
H
3
V
DD
DQ
DQ
DQ
DQ
DQ
DQ
DQ
I
DQ
Document Number: MR4A16B Rev. 5, 4/2010
V
V
NC
A
NC
NC
NC
SB1
A
A
A
A
A
A
A
A
A
A
W
Current
DD
SS
E
I
I
I
I
I
I
I
I
DDW
DDW
DDW
DDR
DDR
DDR
DDR
DDR
, I
SB2
7
16
25
1
2
3
4
5
6
8
9
10
11
12
13
14
15
17
18
19
20
21
22
23
24
26
27
54-Pin TSOP
DQL[7:0]
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
D
D
D
D
Out
Out
in
in
MR4A16B
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
2
NC
A
A
A
A
G
UB
LB
DQ
DQ
DQ
DQ
V
V
DQ
DQ
DQ
DQ
DC
A
A
A
A
A
NC
NC
NC
SS
DD
DQU[15:8]
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
D
D
D
D
Out
Out
in
in
2

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