mr4a16b Everspin Technologies, Inc, mr4a16b Datasheet - Page 8

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

Everspin Technologies © 2010
Timing Specifications
Read Mode
1
2
3
Addresses valid before or at the same time E goes low.
Parameter
Read cycle time
Address access time
Enable access time
Output enable access time
Byte enable access time
Output hold from address change
Enable low to output active
Output enable low to output active
Byte enable low to output active
Enable high to output Hi-Z
Output enable high to output Hi-Z
Byte high to output Hi-Z
W is high for read cycle. Power supplies must be properly grounded and decoupled, and bus contention conditions must be
minimized or eliminated during read or write cycles.
This parameter is sampled and not 100% tested. Transition is measured ±200 mV from the steady-state voltage.
LB, UB (BYTE ENABLE)
G (OUTPUT ENABLE)
E (CHIP ENABLE)
Q (DATA OUT)
A (ADDRESS)
Q (DATA OUT)
Note: Device is continuously selected (E≤V
A (ADDRESS)
2
3
3
3
Previous Data Valid
3
3
3
IL
, G≤V
t
AXQX
IL
).
Table 3.3 Read Cycle Timing
Figure 3.3A Read Cycle 1
Figure 3.3B Read Cycle 2
t
t
AVQV
ELQX
t
t
GLQX
BLQX
t
AVQV
t
ELQV
t
t
GLQV
BLQV
8
t
t
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
AVAV
AVAV
AVAV
AVQV
ELQV
GLQV
BLQV
AXQX
ELQX
GLQX
BLQX
EHQZ
GHQZ
BHQZ
Document Number: MR4A16B Rev. 5, 4/2010
Min
35
-
-
-
-
3
3
0
0
0
0
0
1
Data Valid
Data Valid
t
BHQZ
t
GHQZ
t
EHQZ
Max
-
35
35
15
15
-
-
-
-
15
10
10
MR4A16B
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns