Datasheet

Table 82. IDD0, IDD0A and IPP0 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
ACT
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-
0
1-2
D,D
1
0
0
0
0
0
0
0
0
0
0
0
0
0
-
0
3-4
D#,D#
1
1
1
1
1
0
3
[2]
3
0
0
0
7
F
0
-
0
…
Repeat pattern 1...4 until nRAS - 1; truncate if necessary
0
nRAS
PRE
0
1
0
1
0
0
0
0
0
0
0
0
0
0
-
0
…
Repeat pattern 1...4 until nRC - 1; truncate if necessary
1
1×nRC
Repeat sub-loop 0, use BG[1:0]=1, BA[1:0]=1 instead
2
2×nRC
Repeat sub-loop 0, use BG[1:0]=0, BA[1:0]=2 instead
3
3×nRC
Repeat sub-loop 0, use BG[1:0]=1, BA[1:0]=3 instead
4
4×nRC
Repeat sub-loop 0, use BG[1:0]=0, BA[1:0]=1 instead
5
5×nRC
Repeat sub-loop 0, use BG[1:0]=1, BA[1:0]=2 instead
6
6×nRC
Repeat sub-loop 0, use BG[1:0]=0, BA[1:0]=3 instead
7
7×nRC
Repeat sub-loop 0, use BG[1:0]=1, BA[1:0]=0 instead
8
8×nRC
Repeat sub-loop 0, use BG[1:0]=2, BA[1:0]=0 instead
For x4
and
x8 only
9
9×nRC
Repeat sub-loop 0, use BG[1:0]=3, BA[1:0]=1 instead
10
10×nRC
Repeat sub-loop 0, use BG[1:0]=2, BA[1:0]=2 instead
11
11×nRC
Repeat sub-loop 0, use BG[1:0]=3, BA[1:0]=3 instead
12
12×nRC
Repeat sub-loop 0, use BG[1:0]=2, BA[1:0]=1 instead
13
13×nRC
Repeat sub-loop 0, use BG[1:0]=3, BA[1:0]=2 instead
14
14×nRC
Repeat sub-loop 0, use BG[1:0]=2, BA[1:0]=3 instead
15
15×nRC
Repeat sub-loop 0, use 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
- 170 of 201 -
Rev.1.0 Aug.2019