Rev. 1.01
K4B2G0446D
K4B2G0846D
datasheet
DDR3L SDRAM
[ Table 34 ] IDD0 Measurement - Loop Pattern1)
0
0
1,2
ACT
D, D
D, D
0
1
1
0
0
1
1
0
1
1
0
1
0
0
0
0
0
0
00
00
00
0
0
0
0
0
0
0
0
0
0
0
0
-
-
-
3,4
...
repeat pattern 1...4 until nRAS - 1, truncate if necessary
PRE
repeat pattern 1...4 until nRC - 1, truncate if necessary
nRAS
0
0
1
0
0
0
00
0
0
0
0
-
...
1*nRC + 0
1*nRC + 1, 2
1*nRC + 3, 4
...
ACT
D, D
D, D
0
1
1
0
0
1
1
0
1
1
0
1
0
0
0
0
0
0
00
00
00
0
0
0
0
0
0
F
F
F
0
0
0
-
-
-
repeat pattern 1...4 until 1*nRC + nRAS - 1, truncate if necessary
PRE 00
1*nRC + nRAS
...
0
0
1
0
0
0
0
0
F
0
repeat 1...4 until 2*nRC - 1, truncate if necessary
repeat Sub-Loop 0, use BA[2:0] = 1 instead
repeat Sub-Loop 0, use BA[2:0] = 2 instead
repeat Sub-Loop 0, use BA[2:0] = 3 instead
repeat Sub-Loop 0, use BA[2:0] = 4 instead
repeat Sub-Loop 0, use BA[2:0] = 5 instead
repeat Sub-Loop 0, use BA[2:0] = 6 instead
repeat Sub-Loop 0, use BA[2:0] = 7 instead
1
2
3
4
5
6
7
2*nRC
4*nRC
6*nRC
8*nRC
10*nRC
12*nRC
14*nRC
NOTE :
1. DM must be driven LOW all the time. DQS, DQS are MID-LEVEL.
2. DQ signals are MID-LEVEL.
- 36 -
SAMSUNG [ SAMSUNG ]
