EMD3D256M08BS1
EMD3D256M16BS1
Ball Functions and Descriptions (Concluded)
Symbol
Type
Name
Description
Reference
Voltage for
Data
V
Reference voltage for data: V
device operation.
must be maintained at all times for proper
REFDQ
Supply
REFDQ
External Ref-
Refer-
ence
erence Ball for External reference ball for output drive calibration: This ball is tied to an external
Output Drive 240Ω resistor (RZQ), which is tied to V
Calibratoin
ZQ
.
SSQ
NC
NF
-
-
No Connect
No Function
No Connect: These balls should be left unconnected (the ball has no connection).
No Function
EMD3D256M08BS1/16BS1 Revision 1.3 10/2018
Copyright © 2018 Everspin Technologies
14
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