參數(shù)資料
型號(hào): HY5DU281622AT-H
英文描述: DDR Synchronous DRAM
中文描述: DDR同步DRAM
文件頁數(shù): 29/37頁
文件大?。?/td> 336K
代理商: HY5DU281622AT-H
Rev. 0.3 / Dec. 01
29
HY5DU12422T
HY5DU12822T
HY5DU121622T
AC CHARACTERISTICS
(AC operating conditions unless otherwise noted)
Parameter
Symbol
-K(DDR266A)
-H(DDR266B)
-L(DDR200)
Unit
Note
Min
Max
Min
Max
Min
Max
Row Cycle Time
t
RC
65
-
65
-
70
-
ns
Auto Refresh Row Cycle Time
t
RFC
75
-
75
-
80
-
ns
Row Active Time
t
RAS
45
120K
45
120K
50
120K
ns
Active to Read with Auto Precharge Delay
t
RAP
20
-
20
-
20
-
ns
16
Row Address to Column Address Delay
t
RCD
20
-
20
-
20
-
ns
Row Active to Row Active Delay
t
RRD
15
-
15
-
15
-
ns
Column Address to Column Address Delay
t
CCD
1
-
1
-
1
-
CK
Row Precharge Time
t
RP
20
-
20
-
20
-
ns
Write Recovery Time
t
WR
15
-
15
-
20
-
ns
Last Data-In to Read Command
t
DRL
1
-
1
-
1
-
CK
Auto Precharge Write Recovery + Precharge
Time
t
DAL
5
-
5
-
4
-
CK
15
System Clock Cycle Time
CL = 2.5
t
CK
7.5
15
7.5
15
10
15
ns
CL = 2
7.5
15
10
15
10
15
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
-0.75
0.75
-0.75
0.75
-0.8
0.8
ns
DQS-Out edge to Clock edge Skew
t
DQSCK
-0.75
0.75
-0.75
0.75
-0.8
0.8
ns
DQS-Out edge to Data-Out edge Skew
t
DQSQ
-
0.5
-
0.5
-
0.6
ns
Data-Out hold time from DQS
t
QH
t
HPmin
-t
QHS
-
t
HPmin
-t
QHS
-
t
HPmin
-t
QHS
-
ns
1, 10
Clock Half Period
t
HP
t
CH/L
min
-
t
CH/L
min
-
t
CH/L
min
-
ns
1,9
Data Hold Skew Factor
t
QHS
-
0.75
-
0.75
-
1
ns
10
Valid Data Output Window
t
DV
t
QH
-t
DQSQ
t
QH
-t
DQSQ
t
QH
-t
DQSQ
ns
Data-out high-impedance window from CK, /CK
t
HZ
-0.7
0.75
-0.7
0.75
-0.8
0.8
ns
Data-out low-impedance window from CK, /CK
t
LZ
-0.7
0.75
-0.7
0.75
-0.8
0.8
ns
Input Setup Time (fast slew rate)
t
IS
0.9
-
0.9
-
1.2
-
ns
2,3,5,6
Input Hold Time (fast slew rate)
t
IH
0.9
-
0.9
-
1.2
-
ns
2,3,5,6
Input Setup Time (slow slew rate)
t
IS
1.0
-
1.0
-
1.2
-
ns
2,4,5,6
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HY5DU281622AT-K 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SDRAM|DDR|4X2MX16|CMOS|TSSOP|66PIN|PLASTIC
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