Datasheet

Rev. 1.1 / Aug. 2013 55
Table 3 - IDD0 Measurement-Loop Pattern
a)
a) DM must be driven LOW all the time. DQS, DQS are MID-LEVEL.
b) DQ signals are MID-LEVEL.
CK, CK
CKE
Sub-Loop
Cycle
Number
Command
CS
RAS
CAS
WE
ODT
BA[2:0]
A[15:11]
A[10]
A[9:7] A[6:3]
A[2:0]
Data
b)
toggling
Static High
0
0
ACT 0 0 1 1 0 0 00 0 0 0 0 -
1,2 D, D 1 0 0 0 0 0 00 0 0 0 0 -
3,4 D
, D 1111000000 00 -
... repeat pattern 1...4 until nRAS - 1, truncate if necessary
nRAS PRE 0 0 1 0 0 0 00 0 0 0 0 -
... repeat pattern 1...4 until nRC - 1, truncate if necessary
1*nRC+0 ACT 0 0 1 1 0 0 00 0 0 F 0 -
1*nRC+1, 2 D, D 1 0 0 0 0 0 00 0 0 F 0 -
1*nRC+3, 4 D
, D 1111000000 F 0 -
... repeat pattern 1...4 until 1*nRC + nRAS - 1, truncate if necessary
1*nRC+nRAS PRE 0 0 1 0 0 0 00 0 0 F 0 -
... repeat pattern 1...4 until 2*nRC - 1, truncate if necessary
1 2*nRC repeat Sub-Loop 0, use BA[2:0] = 1 instead
2 4*nRC repeat Sub-Loop 0, use BA[2:0] = 2 instead
3 6*nRC repeat Sub-Loop 0, use BA[2:0] = 3 instead
4 8*nRC repeat Sub-Loop 0, use BA[2:0] = 4 instead
5 10*nRC repeat Sub-Loop 0, use BA[2:0] = 5 instead
6 12*nRC repeat Sub-Loop 0, use BA[2:0] = 6 instead
7 14*nRC repeat Sub-Loop 0, use BA[2:0] = 7 instead