Datasheet

Table 89. IDD5B 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
REF
1
0
0
0
0
0
0
0
0
0
0
0
0
0
-
1
1
D
1
0
0
0
0
0
0
0
0
0
0
0
0
0
-
1
2
D
1
0
0
0
0
0
0
0
0
0
0
0
0
0
-
1
3
D#,D#
1
1
1
1
1
0
3
[2]
3
0
0
0
7
F
0
-
1
4
D#,D#
1
1
1
1
1
0
3
[2]
3
0
0
0
7
F
0
-
1
5-8
Repeat pattern 1...4, use BG[1:0]=1, BA[1:0]=1 instead
1
9-12
Repeat pattern 1...4, use BG[1:0]=0, BA[1:0]=2 instead
1
13-16
Repeat pattern 1...4, use BG[1:0]=1, BA[1:0]=3 instead
1
17-20
Repeat pattern 1...4, use BG[1:0]=0, BA[1:0]=1 instead
1
21-24
Repeat pattern 1...4, use BG[1:0]=1, BA[1:0]=2 instead
1
25-28
Repeat pattern 1...4, use BG[1:0]=0, BA[1:0]=3 instead
1
29-32
Repeat pattern 1...4, use BG[1:0]=1, BA[1:0]=0 instead
1
33-36
Repeat pattern 1...4, use BG[1:0]=2, BA[1:0]=0 instead
For x4
and
x8 only
1
37-40
Repeat pattern 1...4, use BG[1:0]=3, BA[1:0]=1 instead
1
41-44
Repeat pattern 1...4, use BG[1:0]=2, BA[1:0]=2 instead
1
45-48
Repeat pattern 1...4, use BG[1:0]=3, BA[1:0]=3 instead
1
49-52
Repeat pattern 1...4, use BG[1:0]=2, BA[1:0]=1 instead
1
53-56
Repeat pattern 1...4, use BG[1:0]=3, BA[1:0]=2 instead
1
57-60
Repeat pattern 1...4, use BG[1:0]=2, BA[1:0]=3 instead
1
61-64
Repeat pattern 1...4, use BG[1:0]=3, BA[1:0]=0 instead
2
65…nRFC-1
Repeat sub-loop 1, Truncate, if necessary
Note 1. DQS, DQS# are V
DDQ
.
Note 2. BG1 is don’t care for x16 device.
Note 3. DQ signals are V
DDQ
.
AS4C256M16D4
Confidential
- 177 of 201 -
Rev.1.0 Aug.2019