Appendix A –Capacitor Specifications
Revision 3.1
SanDisk iNAND Product Manual
© 2006 SanDisk Corporation
A-1
12/07/06
Appendix A
Capacitor Specifications
A.1
SanDisk iNAND Operation
In order for iNAND to operate at 3V, an external capacitor must be added to the FCAP
(G8) pin and grounded to VSS. The capacitor’s specifications and its placement
instructions are detailed below.
The trace requirements from the FCAP (G8) pin to the capacitor are as follows:
•
Resistance: <2 ohm
•
Inductance: <5 nH
The capacitor requirements are as follows:
•
Capacitance: >=2.2uF
•
Voltage: >=6.3 V
•
Dielectric: X7R or X5R
A6
VDD
G8
FCAP
F1
VDD
VSS
VSS
Capacitor
Requirements:
VSS
Capacitance > =2.2uF
Voltage > =6.3V
Dielectric X7R or XR5
Trace
Requirements:
Resistance < 2 ohm
Inductance < 5 nH
VSS
VSS
C1
C2
C3
C4
C1=C3>=2.2uF
C2=C4<=100nF
C1, C2: X7R or XR5
Close to ball F1
C1=C3>=2.2uF
C2=C4<=100nF
C3, C4: X7R or XR5
Close to ball A6
Bottom View
