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HMABAGR7A2R4N-XSTG PDF预览

HMABAGR7A2R4N-XSTG

更新时间: 2024-10-29 14:52:27
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HMABAGR7A2R4N-XSTG 数据手册

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Table 12 - IDD7 Measurement-Loop Pattern1  
Data3  
0 0  
1
ACT  
RDA  
0
0
0
1
0
1
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
-
D0=00, D1=FF  
D2=FF, D3=00  
D4=FF, D5=00  
D6=00, D7=FF  
-
2
3
D
D#  
1
1
0
1
0
1
0
1
0
1
0
0
0
0
0
32  
0
3
0
0
0
0
0
0
0
7
0
F
0
0
-
...  
1 nRRD  
nRRD + 1  
repeat pattern 2...3 until nRRD - 1, if nRCD > 4. Truncate if necessary  
ACT  
RDA  
0
0
0
1
0
1
0
0
0
1
0
0
0
1
1
1
1
0
0
0
0
0
1
0
0
0
0
0
0
-
D0=FF, D1=00  
D2=00, D3=FF  
D4=00, D5=FF  
D6=FF, D7=00  
...  
repeat pattern 2 ... 3 until 2*nRRD - 1, if nRCD > 4. Truncate if necessary  
repeat Sub-Loop 0, use BG[1:0] = 0, BA[1:0] = 2 instead  
repeat Sub-Loop 1, use BG[1:0] = 1, BA[1:0] = 3 instead  
2 2*nRRD  
3 3*nRRD  
4 4*nRRD  
repeat pattern 2 ... 3 until nFAW - 1, if nFAW > 4*nRCD. Truncate if necessary  
5 nFAW  
6 nFAW + nRRD  
repeat Sub-Loop 0, use BG[1:0] = 0, BA[1:0] = 1 instead  
repeat Sub-Loop 1, use BG[1:0] = 1, BA[1:0] = 2 instead  
7 nFAW + 2*nRRD repeat Sub-Loop 0, use BG[1:0] = 0, BA[1:0] = 3 instead  
8 nFAW + 3*nRRD repeat Sub-Loop 1, use BG[1:0] = 1, BA[1:0] = 0 instead  
9 nFAW + 4*nRRD repeat Sub-Loop 4  
10 2*nFAW  
repeat Sub-Loop 0, use BG[1:0] = 2, BA[1:0] = 0 instead  
11 2*nFAW + nRRD repeat Sub-Loop 1, use BG[1:0] = 3, BA[1:0] = 1 instead  
12 2*nFAW + 2*nRRD repeat Sub-Loop 0, use BG[1:0] = 2, BA[1:0] = 2 instead  
13 2*nFAW + 3*nRRD repeat Sub-Loop 1, use BG[1:0] = 3, BA[1:0] = 3 instead  
14 2*nFAW + 4*nRRD repeat Sub-Loop 4  
15 3*nFAW  
repeat Sub-Loop 0, use BG[1:0] = 2, BA[1:0] = 1 instead  
16 3*nFAW + nRRD repeat Sub-Loop 1, use BG[1:0] = 3, BA[1:0] = 2 instead  
17 3*nFAW + 2*nRRD repeat Sub-Loop 0, use BG[1:0] = 2, BA[1:0] = 3 instead  
18 3*nFAW + 3*nRRD  
repeat Sub-Loop 1, use BG[1:0] = 3, BA[1:0] = 0 instead  
19 3*nFAW + 4*nRRD repeat Sub-Loop 4  
20 4*nFAW  
repeat pattern 2 ... 3 until nRC - 1, if nRC > 4*nFAW. Truncate if necessary  
NOTE :  
1. DQS_t, DQS_c are VDDQ.  
2. C2 is a don’t care for 2H and 4H 3DS devices. C1 is a don’t care for 2H 3DS devices.  
3. Burst Sequence driven on each DQ signal by Read Command. Outside burst operation, DQ signals are VDDQ.  
Rev. 1.0 / Feb.2020  
63