參數(shù)資料
型號: KMM374S203CTL
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: 2Mx72 SDRAM DIMM(2Mx72 動態(tài) RAM模塊)
中文描述: 2Mx72 SDRAM的內(nèi)存(2Mx72動態(tài)內(nèi)存模塊)
文件頁數(shù): 8/13頁
文件大?。?/td> 138K
代理商: KMM374S203CTL
KMM374S203CTL
REV. 3 Mar. '98
PC66 SDRAM MODULE
1. Parameters depend on programmed CAS latency.
2. If clock rising time is longer than 1ns, (tr/2-0.5)ns should be added to the parameter.
3. Assumed input rise and fall time (tr & tf) = 1ns.
If tr & tf is longer than 1ns, transient time compensation should be considered,
i.e., [(tr + tf)/2-1]ns should be added to the parameter.
Notes :
AC CHARACTERISTICS
(AC operating conditions unless otherwise noted)
REFER TO THE INDIVIDUAL COMPONENET, NOT THE WHOLE MODULE.
Parameter
Symbol
-
0
Unit
Note
Min
Max
CLK cycle time
CAS latency=3
t
CC
10
1000
ns
1
CAS latency=2
13
CLK to valid
output delay
CAS latency=3
t
SAC
7
ns
1,2
CAS latency=2
8
Output data
hold time
CAS latency=3
t
OH
3
ns
1,2
CAS latency=2
3
CLK high pulse width
t
CH
3.5
ns
3
CLK low pulse width
t
CL
3.5
ns
3
Input setup time
t
SS
2.5
ns
3
Input hold time
t
SH
1
ns
3
CLK to output in Low-Z
t
SLZ
1
ns
2
CLK to output
in Hi-Z
CAS latency=3
t
SHZ
7
ns
1
CAS latency=2
8
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