參數(shù)資料
型號: HYS64V8220GCDL
廠商: SIEMENS AG
英文描述: 3.3V SDRAM Modules(3.3V SDRAM 模塊)
中文描述: 3.3V的內(nèi)存模塊(3.3V的內(nèi)存模塊)
文件頁數(shù): 9/18頁
文件大小: 133K
代理商: HYS64V8220GCDL
HYS 64Vx20(2)0GCDL
144-pin SO-DIMM SDRAM Modules
Data Book
9
12.99
AC Characteristics
1), 2)
T
A
= 0 to 70
°
C;
V
SS
= 0 V;
V
DD
= 3.3 V
±
0.3 V,
t
T
= 1 ns
Parameter
Symbol
Limit Values
Unit
Note
-7.5
PC133-333
-8
PC100-222
min.
max.
min.
max.
Clock and Access Time
Clock Cycle Time
CAS Latency = 3
CAS Latency = 2
t
CK
7.5
10
10
10
ns
ns
Clock Frequency
CAS Latency = 3
CAS Latency = 2
f
CK
133
100
100
100
MHz
MHz
Access Time from Clock
CAS Latency = 3
CAS Latency = 2
t
AC
5.4
6
6
6
ns
ns
2), 3)
Clock High Pulse Width
t
CH
t
CL
t
T
2.5
3
ns
Clock Low Pulse Width
2.5
3
ns
Transition Time
0.3
1.2
0.5
10
ns
Setup and Hold Parameters
Input Setup Time
t
IS
t
IH
t
SB
t
PDE
t
RSC
1.5
2
ns
4)
Input Hold Time
0.8
1
ns
4)
Power Down Mode Entry Time
1
1
CLK
4)
Power Down Mode Exit Setup Time
0.8
1
CLK
4)
Mode Register Set-up Time
2
2
CLK
Common Parameters
Row to Column Delay Time
t
RCD
t
RP
t
RAS
t
RC
t
RRD
20
20
ns
5)
Row Precharge Time
20
20
ns
5)
Row Active Time
45
100k
50
100k
ns
5)
Row Cycle Time
67
70
ns
5)
Activate (a) to Activate (b) Command
Period
14
16
ns
5)
CAS(a) to CAS(b) Command Period
t
CCD
1
1
CLK
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