mr4a16b Everspin Technologies, Inc, mr4a16b Datasheet - Page 2

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

Everspin Technologies © 2010
A[19:0]
1. DEVICE PIN ASSIGNMENT
UB
LB
20
W
G
E
Signal Name
A
E
W
G
UB
LB
DQ
V
V
DC
NC
DD
SS
ADDRESS
OUTPUT
ENABLE
ENABLE
ENABLE
ENABLE
BUFFER
BUFFER
BUFFER
BUFFER
BUFFER
WRITE
BYTE
CHIP
UB
LB
Function
Address Input
Chip Enable
Write Enable
Output Enable
Upper Byte Enable
Lower Byte Enable
Data I/O
Power Supply
Ground
Do Not Connect
No Connection
10
10
DECODER
ROW
Figure 1.1 Block Diagram
MEMORY
Table 1.1 Pin Functions
1M x 16
ARRAY
BIT
UPPER BYTE OUTPUT ENABLE
LOWER BYTE OUTPUT ENABLE
LOWER BYTE WRITE ENABLE
UPPER BYTE WRITE ENABLE
DECODER
COLUMN
16
2
16
DRIVERS
WRITE
SENSE
AMPS
FINAL
Document Number: MR4A16B Rev. 5, 4/2010
8
8
8
8
DRIVER
OUTPUT
OUTPUT
BUFFER
BUFFER
DRIVER
LOWER
LOWER
UPPER
UPPER
WRITE
WRITE
BYTE
BYTE
BYTE
BYTE
MR4A16B
8
8
8
8
DQU[15:8]
DQL[7:0]