HMT351U6AFR8C-G7 Datasheet, PDF (41/47 Pages) Hynix Semiconductor – 240pin DDR3 SDRAM Unbuffered DIMMs

HMT351U6AFR8C
HMT351U7AFR8C
Table 10 - IDD7 Measurement-Loop Pattern^a)
ATTENTION! Sub-Loops 10-19 have inverse A[6:3] Pattern and Data Pattern than Sub-Loops 0-9
Data^b)
00
ACT 0 0 1 1 0 0 00 0 0 0 0
-
1
RDA 0 1 0 1 0 0 00 1 0 0 0 00000000
2
D 1 0 0 0 0 0 00 0 0 0 0
-
...
repeat above D Command until nRRD - 1
nRRD
ACT 0 0 1 1 0 1 00 0 0 F 0
-
nRRD+1
1
nRRD+2
RDA 0 1 0 1 0 1 00 1 0 F 0 00110011
D 1 0 0 0 0 1 00 0 0 F 0
-
...
repeat above D Command until 2* nRRD - 1
2 2*nRRD
repeat Sub-Loop 0, but BA[2:0] = 2
3 3*nRRD
repeat Sub-Loop 1, but BA[2:0] = 3
4
4*nRRD
...
D 1 0 0 0 0 3 00 0 0 F 0
-
Assert and repeat above D Command until nFAW - 1, if necessary
5 nFAW
repeat Sub-Loop 0, but BA[2:0] = 4
6 nFAW+nRRD
repeat Sub-Loop 1, but BA[2:0] = 5
7 nFAW+2*nRRD repeat Sub-Loop 0, but BA[2:0] = 6
8 nFAW+3*nRRD repeat Sub-Loop 1, but BA[2:0] = 7
9
nFAW+4*nRRD
...
D 1 0 0 0 0 7 00 0 0 F 0
-
Assert and repeat above D Command until 2* nFAW - 1, if necessary
2*nFAW+0
ACT 0 0 1 1 0 0 00 0 0 F 0
-
2*nFAW+1
10
2&nFAW+2
RDA 0 1 0 1 0 0 00 1 0 F
D 1 0 0 0 0 0 00 0 0 F
Repeat above D Command until 2* nFAW + nRRD - 1
0 00110011
0
-
2*nFAW+nRRD ACT 0 0 1 1 0 1 00 0 0 0 0
-
2*nFAW+nRRD+1 RDA 0 1 0 1 0 1 00 1 0 0
11
2&nFAW+nRRD+ ^{D 1 0 0 0 0 1 00 0 0 0}
2
Repeat above D Command until 2* nFAW + 2* nRRD - 1
0 00000000
0
-
12 2*nFAW+2*nRRD repeat Sub-Loop 10, but BA[2:0] = 2
13 2*nFAW+3*nRRD repeat Sub-Loop 11, but BA[2:0] = 3
D
1 0 0 0 0 0 00 0 0 0 0
-
14 2*nFAW+4*nRRD
Assert and repeat above D Command until 3* nFAW - 1, if necessary
15 3*nFAW
repeat Sub-Loop 10, but BA[2:0] = 4
16 3*nFAW+nRRD repeat Sub-Loop 11, but BA[2:0] = 5
17 3*nFAW+2*nRRD repeat Sub-Loop 10, but BA[2:0] = 6
18 3*nFAW+3*nRRD repeat Sub-Loop 11, but BA[2:0] = 7
D
1 0 0 0 0 0 00 0 0 0 0
-
14 3*nFAW+4*nRRD
Assert and repeat above D Command until 4* nFAW - 1, if necessary
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
41