HMT351U6AFR8C-G7 Datasheet, PDF (36/47 Pages) Hynix Semiconductor – 240pin DDR3 SDRAM Unbuffered DIMMs

Table 4 - IDD1 Measurement-Loop Pattern^a)
HMT351U6AFR8C
HMT351U7AFR8C
Data^b)
00
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 1 1 1 1 0 0 00 0 0 0 0
-
...
repeat pattern 1...4 until nRCD - 1, truncate if necessary
nRCD
RD 0 1
0
1
0
0 00 0 0
0
0
0000000
0
...
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 1 1 1 1 0 0 00 0 0 F 0
-
...
repeat pattern nRC + 1,...4 until nRC + nRCE - 1, truncate if necessary
1*nRC+nRCD RD 0 1
0
1
0
0 00 0 0
F
0
0011001
1
...
repeat pattern nRC + 1,...4 until nRC + nRAS - 1, truncate if necessary
1*nRC+nRAS PRE 0 0 1 0 0 0 00 0 0 F 0
-
...
repeat pattern nRC + 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
a) DM must be driven LOW all the time. DQS, DQS are used according to RD Commands, otherwise FLOATING.
b) Burst Sequence driven on each DQ signal by Read Command. Outside burst operation, DQ signals are FLOATING.
Rev. 0.02 / Apr 2009
36