參數(shù)資料
型號: HYB18L128160BF
廠商: QIMONDA
英文描述: DRAMs for Mobile Applications 128-Mbit Mobile-RAM
中文描述: 針對移動應(yīng)用的DRAM 128 - Mbit的移動RAM
文件頁數(shù): 28/55頁
文件大?。?/td> 1399K
代理商: HYB18L128160BF
Data Sheet
28
Rev. 1.71, 2007-01
05282004-NZNK-8T0D
HY[B/E]18L128160B[C/F]-7.5
128-Mbit Mobile-RAM
Functional DescriptionCommands
Figure 25
WRITE Burst (CAS Latency = 2)
Table 12
Parameter
Timing Parameters for WRITE
Symbol
- 7.5
Units
Notes
min.
max.
DQ and DQM input setup time
DQ input hold time
DQM input hold time
DQM write mask latency
ACTIVE to ACTIVE command period
ACTIVE to READ or WRITE delay
ACTIVE to PRECHARGE command period
WRITE recovery time
PRECHARGE command period
1) These parameters account for the number of clock cycles and depend on the operating frequency as follows:
no. of clock cycles = specified delay / clock period; round up to next integer.
t
IS
t
IH
1.5
0.8
0.5
0
67
19
45
14
19
100k
ns
ns
ns
t
CK
ns
ns
ns
ns
ns
1)
t
DQW
t
RC
t
RCD
t
RAS
t
WR
t
RP
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