1HY5DS283222BF(P)
AC CHARACTERISTICS - I (AC operating conditions unless otherwise noted)
28
33
36
4
Unit Note
Parameter
Symbol
Min
17
Max
Min
15
17
9
Max
Min
14
16
9
Max
Min
13
15
8
Max
Row Cycle Time
tRC
tRFC
tRAS
-
-
-
-
-
-
-
-
CK
CK
CK
Auto Refresh Row Cycle Time
Row Active Time
19
10
100K
100K
100K
100K
Row Address to Column Address
Delay for Read
6
-
6
-
5
-
5
-
tRCDRD
CK
Row Address to Column Address
Delay for Write
4
4
1
-
-
-
3
3
1
-
-
-
2
3
1
-
-
-
2
3
1
-
-
-
tRCDWR
tRRD
CK
CK
CK
Row Active to Row Active Delay
Column Address to Column Address
Delay
tCCD
6
4
2
-
-
-
6
3
2
-
-
-
5
3
2
-
-
-
5
3
2
-
-
-
Row Precharge Time
tRP
tWR
tDRL
CK
CK
CK
Write Recovery Time
Last Data-In to Read Command
Auto Precharge Write Recovery +
Precharge Time
10
-
9
-
8
-
8
-
tDAL
tCK
CK
ns
CL=5
System Clock Cycle Time
CL=4
2.8
-
10
-
3.3
-
10
-
3.6
-
10
-
4
10
10
4
Clock High Level Width
tCH
tCL
0.45
0.45
-0.6
-0.6
0.55
0.55
0.6
0.6
0.45
0.45
-0.6
-0.6
0.55
0.55
0.6
0.6
0.45
0.45
-0.6
-0.6
0.55
0.55
0.6
0.6
0.45
0.45
-0.6
-0.6
0.55
0.55
0.6
CK
CK
ns
ns
Clock Low Level Width
Data-Out edge to Clock edge Skew
DQS-Out edge to Clock edge Skew
tAC
tDQSCK
0.6
DQS-Out edge to Data-Out edge
Skew
-
0.35
-
0.35
-
0.4
-
0.4
tDQSQ
ns
tHPmin
-tQHS
tHPmin
-tQHS
tHPmin
-tQHS
tHPmin
-tQHS
Data-Out hold time from DQS
Clock Half Period
tQH
tHP
-
-
-
-
-
-
-
-
ns
ns
1,6
1,5
tCH/L
min
tCH/L
min
tCH/L
min
tCH/L
min
Data Hold Skew Factor
Input Setup Time
tQHS
tIS
-
0.35
-
-
0.35
-
-
0.4
-
-
0.4
-
ns
ns
6
2
2
0.75
0.75
0.4
0.75
0.75
0.4
0.75
0.75
0.4
0.75
0.75
0.4
Input Hold Time
tIH
-
-
-
-
ns
Write DQS High Level Width
Write DQS Low Level Width
Clock to First Rising edge of DQS-In
tDQSH
tDQSL
tDQSS
0.6
0.6
1.15
0.6
0.6
1.15
0.6
0.6
1.15
0.6
0.6
1.15
CK
CK
CK
0.4
0.4
0.4
0.4
0.85
0.85
0.85
0.85
Rev. 1.0 / Feb. 2005
24
HYNIX [ HYNIX SEMICONDUCTOR ]
