AS4C4M32D1A-5BIN Datasheet, PDF (31/64 Pages) Alliance Semiconductor Corporation – DLL aligns DQ and DQS transitions

AS4C4M32D1A-5BIN
AS4C4M32D1A-5BCN
Read to Write Required CAS Latencies (CL=2.5)
CK
CK
COMMAND
READ
BST
NOP
NOP
WRITE
NOP
ADDRESS
DQS
Bank,
Col n
CL=2.5
Bank,
Col o
tDQSS
min
DQ
DO
DI
n
o
DM
DO n (or o)= Data Out from column n (or column o)
Burst Length= 4 in the cases shown (applies for bursts of 8 as well; if burst length is 2, the BST
command shown can be NOP)
1 subsequent element of Data Out appears in the programmed order following DO n
Data in elements are applied following DI o in the programmed order
Don’t Care
Confidential
- 31/64 -
Rev.1.0 May 2016