EDJ1104BBSE, EDJ1108BBSE, EDJ1116BBSE
IDD0 Measurement-Loop Pattern
CK,
/CK
Sub Cycle
Com-
A11
A7
A3
A0
Data*2
CKE
-Loop number mand /CS /RAS /CAS /WE ODT BA*3 -A13 A10 -A9 -A6 -A2
0
ACT
D, D
0
1
0
0
1
0
1
0
0
0
0
0
00
00
0
0
0
0
0
0
0
0
1, 2
/D,
/D
3, 4
1
1
1
1
0
0
00
0
0
0
0
…
Repeat pattern 1...4 until nRAS − 1, truncate if necessary
nRAS
PRE
0
0
1
0
0
0
00
0
0
0
0
…
Repeat pattern 1...4 until nRC − 1, truncate if necessary
1 × nRC
0
ACT
D, D
0
1
1
0
0
1
1
0
1
1
0
1
0
0
0
0
0
0
00
00
00
0
0
0
0
0
0
F
F
F
0
0
0
+ 0
1 × nRC
+1, 2,
1 × nRC /D,
+ 3, 4
…
1 × nRC
+ nRAS
...
/D
Toggling Static H
Repeat pattern nRC + 1,...,4 until 1 × nRC + nRAS − 1, truncate if necessary
PRE 00
Repeat nRC + 1,...,4 until 2 × nRC − 1, truncate if necessary
0
0
1
0
0
0
0
0
F
0
1
2
3
4
5
6
7
2 × nRC Repeat Sub-Loop 0, use BA= 1 instead
4 × nRC Repeat Sub-Loop 0, use BA= 2 instead
6 × nRC Repeat Sub-Loop 0, use BA= 3 instead
8 × nRC Repeat Sub-Loop 0, use BA= 4 instead
10 × nRC Repeat Sub-Loop 0, use BA= 5 instead
12 × nRC Repeat Sub-Loop 0, use BA= 6 instead
14 × nRC Repeat Sub-Loop 0, use BA= 7 instead
Notes: 1. DM must be driven low all the time. DQS, /DQS are FLOATING.
2. DQ signals are FLOATING.
3. BA: BA0 to BA2.
Data Sheet E1375E50 (Ver. 5.0)
38
ELPIDA [ ELPIDA MEMORY ]
