Datasheet

AS4C32M16D1A-C&I
42 Rev. 1.0 Mar. /2015
Figure 25. Write to Precharge Max tDQSS, Interrupting
CK
CK
COMMAND
WRITE
NOP NOP
PRE
Bank a,
Col n
ADDRESS
T0 T1 T2 T3
T4
T5 T6 T7
T8 T9
NOP
DQS
DQ
tDQSS (max)
DM
DI
n
T10 T11
NOP
tWR
tRP
*1
*2
Don’t Care
DI n = Data In for column n
tWR is referenced from the first positive CK edge after the last Data In Pair
DM= UDM & LDM
An interrupted burst of 4 or 8 is shown, 2 data elements are written
A10 is LOW with the WRITE command (AUTO PRECHARGE is disabled)
*1 = can be don't care for programmed burst length of 4
*2 = for programmed burst length of 4, DQS becomes don't care at this point
*1 *1 *1
Bank
(a or all)