參數(shù)資料
型號: HY5DU283222F-33
廠商: HYNIX SEMICONDUCTOR INC
元件分類: DRAM
英文描述: 128M(4Mx32) GDDR SDRAM
中文描述: 4M X 32 DDR DRAM, 0.9 ns, PBGA144
封裝: 12 X 12 MM, 0.80 MM PITCH, FBGA-144
文件頁數(shù): 24/30頁
文件大?。?/td> 359K
代理商: HY5DU283222F-33
Rev. 1.2/Sep. 02
24
HY5DU283222F
AC CHARACTERISTICS - I
(AC operating conditions unless otherwise noted)
Parameter
Symbol
26
28
33
Unit
Note
Min
Max
Min
Max
Min
Max
Row Cycle Time
t
RC
59.8
-
61.6
-
62.7
-
ns
Auto Refresh Row Cycle Time
t
RFC
65
-
64.4
-
66
-
ns
Row Active Time
t
RAS
41.6
120K
42
120K
42.9
120K
ns
Row Address to Column Address Delay for Read
t
RCDRD
7
-
7
-
6
-
CK
Row Address to Column Address Delay for Write
t
RCDWR
4
-
4
-
3
-
CK
Row Active to Row Active Delay
t
RRD
2
-
2
-
2
-
CK
Column Address to Column Address Delay
t
CCD
1
-
1
-
1
-
CK
Row Precharge Time
t
RP
7
-
7
-
6
-
CK
Write Recovery Time
t
WR
3
-
3
-
3
-
CK
Last Data-In to Read Command
t
DRL
2
-
2
-
2
-
CK
Auto Precharge Write Recovery + Precharge Time
t
DAL
10
-
10
-
9
-
CK
System Clock Cycle Time
CL=4
t
CK
2.6
6
2.8
6
3.3
6
ns
CL=3
-
-
-
-
-
-
ns
Clock High Level Width
t
CH
0.45
0.55
0.45
0.55
0.45
0.55
CK
Clock Low Level Width
t
CL
0.45
0.55
0.45
0.55
0.45
0.55
CK
Data-Out edge to Clock edge Skew
t
AC
-0.9
0.9
-0.9
0.9
-0.9
0.9
ns
DQS-Out edge to Clock edge Skew
t
DQSCK
-0.7
0.7
-0.7
0.7
-0.7
0.7
ns
DQS-Out edge to Data-Out edge Skew
t
DQSQ
-
0.4
-
0.4
-
0.4
ns
Data-Out hold time from DQS
t
QH
tHPmin
-tQHS
-
tHPmin
-tQHS
-
tHPmin
-tQHS
-
ns
1,6
Clock Half Period
t
HP
tCH/L
min
-
tCH/L
min
-
tCH/L
min
-
ns
1,5
Data Hold Skew Factor
t
QHS
-
0.5
-
0.5
-
0.5
ns
6
Input Setup Time
t
IS
0.75
-
0.75
-
0.75
-
ns
2
Input Hold Time
t
IH
0.75
-
0.75
-
0.75
-
ns
2
Write DQS High Level Width
t
DQSH
0.4
0.6
0.4
0.6
0.4
0.6
CK
Write DQS Low Level Width
t
DQSL
0.4
0.6
0.4
0.6
0.4
0.6
CK
Clock to First Rising edge of DQS-In
t
DQSS
0.75
1.25
0.75
1.25
0.75
1.25
CK
Data-In Setup Time to DQS-In (DQ & DM)
t
DS
0.4
-
0.4
-
0.4
-
ns
3
Data-In Hold Time to DQS-In (DQ & DM)
t
DH
0.4
-
0.4
-
0.4
-
ns
3
Read DQS Preamble Time
t
RPRE
0.7
1.1
0.7
1.1
0.7
1.1
CK
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