Datasheet

Table 18: I
DD7
Measurement Loop
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
3
Toggling
Static HIGH
0
0 ACT00110000000 –
1 RDA0101000100000000000
2 D10000000000 –
3 Repeat cycle 2 until nRRD - 1
1
nRRD ACT001101000F0 –
nRRD + 1 RDA 010101010F000110011
nRRD + 2 D 100001000F0 –
nRRD + 3 Repeat cycle nRRD + 2 until 2 × nRRD - 1
2 2 × nRRD Repeat sub-loop 0, use BA[2:0] = 2
3 3 × nRRD Repeat sub-loop 1, use BA[2:0] = 3
4
4 × nRRD D100003000F0 –
4 × nRRD + 1 Repeat cycle 4 × nRRD until nFAW - 1, if needed
5 nFAW Repeat sub-loop 0, use BA[2:0] = 4
6 nFAW + nRRD Repeat sub-loop 1, use BA[2:0] = 5
7 nFAW + 2 × nRRD Repeat sub-loop 0, use BA[2:0] = 6
8 nFAW + 3 × nRRD Repeat sub-loop 1, use BA[2:0] = 7
9
nFAW + 4 × nRRD D 100007000F0 –
nFAW + 4 × nRRD + 1 Repeat cycle nFAW + 4 × nRRD until 2 × nFAW - 1, if needed
10
2 × nFAW ACT001100000F0 –
2 × nFAW + 1 RDA010100010F000110011
2 × nFAW + 2 D100000000F0 –
2 × nFAW + 3 Repeat cycle 2 × nFAW + 2 until 2 × nFAW + nRRD - 1
11
2 × nFAW + nRRD ACT00110100000 –
2 × n
FAW + nRRD + 1
RDA 0 101010100000000000
2 × nFAW +
nRRD + 2 D 1 0 000100000 –
2 × nFAW + nRRD + 3 Repeat cycle 2 × nFAW + nRRD + 2 until 2 × nFAW + 2 × nRRD - 1
12 2 × nFAW + 2 × nRRD Repeat sub-loop 10, use BA[2:0] = 2
13 2 × nFAW + 3 × nRRD Repeat sub-loop 11, use BA[2:0] = 3
14
2 × nFAW + 4 × nRRD D10000300000 –
2 × nFAW + 4 × nRRD + 1 Repeat cycle 2 × nFAW + 4 × nRRD until 3 × nFAW - 1, if needed
15 3 × nFAW Repeat sub-loop 10, use BA[2:0] = 4
8Gb: x4, x8, x16 DDR3L SDRAM
Electrical Specifications – I
DD
Specifications and Conditions
36
Rev.2.0 June 2016
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