参数资料
型号: V85C2256164SAS8
厂商: MOSEL-VITELIC
元件分类: DRAM
英文描述: 16M X 16 DDR DRAM, 0.8 ns, PBGA60
封装: 0.80 X 1 MM PITCH, SOC, BGA-60
文件页数: 54/61页
文件大小: 814K
代理商: V85C2256164SAS8
58
V58C2256(804/404/164)S Rev. 1.4 October 2002
MOSEL VITELIC
V58C2256(804/404/164)S
Figure 47 - BANK WRITE ACCESS
CK
/CK
COMMAND
NOP
WRITE
ACT
CKE
RA
A10
BA0, BA1
Bank
x
Bank
x
DON'T CARE
DI
n = Data In for column n
Burst Length = 4 in the case shown
3 subsequent elements of Data In are applied in the programmed order following DI
n
DIS AP = Disable Autoprecharge
* = "Don't Care", if A10 is HIGH at this point
PRE = PRECHARGE, ACT = ACTIVE, RA = Row Address
NOP commands are shown for ease of illustration; other valid commands may be possible at these times
NOP
PRE
DIS AP
ONE BANK
ALL BANKS
tCK
tCH
tCL
tIS
tIH
tIS
tIH
tRCD
tRAS
tIH
tIS tIH
RA
x4:A0-A9
x8:A0-A8
x16:A0-A7
x4:A11
x8:A9, A11
x16:A8, A9, A11
Col
n
*Bank
x
RA
tWR
DQ
DM
DQS
DI
n
t
tDQSS
t
Case 1:
tDQSS = min
Case 2:
tDQSS = max
DQ
DM
DQS
DI
n
t
tDQSS
t
WPST
DQSH
DQSL
tWPRES
WPST
DQSH
DQSL
WPRE
WPRES
tWPRE
tDSS
tDSH
tQOH MAX
tQCK
/QFC
(optional)
tQCK
tQOH MIN
/QFC
(optional)
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