Datasheet

Table 85. IDD2NT and IDDQ2NT Measurement - Loop Pattern
[1]
CK/
CK#
CKE
Sub-
Loop
Cycle
Number
CMD
CS#
ACT#
RAS#/
A16
CAS#/
A15
WE#/
A14
ODT
BG0-1
[2]
BA0-1
A12
/BC#
A13,
A11
A10
A9-A7
A6-A3
A2-A0
Data
[3]
Toggling
Static High
0
0
D,D
1
0
0
0
0
0
0
0
0
0
0
0
0
0
-
0
1
D,D
1
0
0
0
0
0
0
0
0
0
0
0
0
0
-
0
2
D#,D#
1
1
1
1
1
0
3
[2]
3
0
0
0
7
F
0
-
0
3
D#,D#
1
1
1
1
1
0
3
[2]
3
0
0
0
7
F
0
-
1
4-7
Repeat Sub-Loop 0, but ODT = 1 and BG[1:0] = 1, BA[1:0] = 1 instead
2
8-11
Repeat Sub-Loop 0, but ODT = 0 and BG[1:0] = 0, BA[1:0] = 2 instead
3
12-15
Repeat Sub-Loop 0, but ODT = 1 and BG[1:0] = 1, BA[1:0] = 3 instead
4
16-19
Repeat Sub-Loop 0, but ODT = 0 and BG[1:0] = 0, BA[1:0] = 1 instead
5
20-23
Repeat Sub-Loop 0, but ODT = 1 and BG[1:0] = 1, BA[1:0] = 2 instead
6
24-27
Repeat Sub-Loop 0, but ODT = 0 and BG[1:0] = 0, BA[1:0] = 3 instead
7
28-31
Repeat Sub-Loop 0, but ODT = 1 and BG[1:0] = 1, BA[1:0] = 0 instead
8
32-35
Repeat Sub-Loop 0, but ODT = 0 and BG[1:0] = 2, BA[1:0] = 0 instead
For x4
and
x8 only
9
36-39
Repeat Sub-Loop 0, but ODT = 1 and BG[1:0] = 3, BA[1:0] = 1 instead
10
40-43
Repeat Sub-Loop 0, but ODT = 0 and BG[1:0] = 2, BA[1:0] = 2 instead
11
44-47
Repeat Sub-Loop 0, but ODT = 1 and BG[1:0] = 3, BA[1:0] = 3 instead
12
48-51
Repeat Sub-Loop 0, but ODT = 0 and BG[1:0] = 2, BA[1:0] = 1 instead
13
52-55
Repeat Sub-Loop 0, but ODT = 1 and BG[1:0] = 3, BA[1:0] = 2 instead
14
56-59
Repeat Sub-Loop 0, but ODT = 0 and BG[1:0] = 2, BA[1:0] = 3 instead
15
60-63
Repeat Sub-Loop 0, but ODT = 1 and BG[1:0] = 3, BA[1:0] = 0 instead
Note 1. DQS, DQS# are V
DDQ
.
Note 2. BG1 is don’t care and AL is not supported for x16 device.
Note 3. DQ signals are V
DDQ
.
AS4C256M16D4
Confidential
- 173 of 201 -
Rev.1.0 Aug.2019