EDJ1108BABG, EDJ1116BABG
T0
T3
T4
T5
T6
T7
T8
T9
T10
T11
T12
T13 T14 T15
CK
/CK
Command*3
READ
WRIT
NOP
NOP
tWR
READ to WRIT command delay = RL + tCCD + 2tCK − WL
tBL = 4 clocks
tWTR
Bank
Col n
Bank
Col b
Address*4
tRPRE
tRPST
tWPRE
tWPST
DQS, /DQS
DQ*2
Dout Dout Dout Dout Dout Dout Dout Dout
Din Din Din Din
n
n+1 n+2 n+3 n+4 n+5 n+6 n+7
b
b+1 b+2 b+3
RL = 5
WL = 5
VIH or VIL
Notes: 1. RL = 5 (CL = 5, AL = 0), WL = 5 (CWL = 5, AL = 0).
2. Dout n = data-out from column n, n Din b= data-in from column b.
3. NOP commands are shown for ease of illustration; other commands may be valid at these times.
4. BL8 setting activated by MR0 bit [A1, A0] = [0, 1] and A12 = 1 during READ command at T0.
BC4 setting activated by MR0 bit [A1, A0] = [0, 1] and A12 = 0 during WRIT command at T6.
READ (BL8) to WRITE (BC4) OTF
T0
T1
T2
T3
T4
T5
T6
T7
T8
T9
T10
T11
CK
/CK
Command*3
Address*4
PRE
READ
NOP
NOP
tRTP = 4 nCK
tRP
Bank
Col n
tRPST
tRPRE
DQS, /DQS
DQ*2
Dout Dout Dout
n+1 n+2 n+3
Dout Dout Dout
n+5 n+6 n+7
Dout
n
Dout
n+4
CL = 5
RL = AL + CL
VIH or VIL
Notes: 1. BL8, AL = 0, RL = 5, CL = 5
2. Dout n = data-out from column n.
3. NOP commands are shown for ease of illustration; other commands may be valid at these times.
4. BL8 setting activated by MR0 bit [A1, A0] = [0, 0] or MR0 bit [A1, A0] = [0, 1] and A12 = 1 during READ command at T0.
Burst Read Precharge Operation, RL = 5
Data Sheet E1248E40 (Ver. 4.0)
107
ELPIDA [ ELPIDA MEMORY ]
