HY5DU281622ETP-25 Datasheet, PDF (28/34 Pages) Hynix Semiconductor – 128M(8Mx16) gDDR SDRAM

1HY5DU281622ETP
AC CHARACTERISTICS - I (AC operating conditions unless otherwise noted)
Parameter
Symbol
30
Min
Max
Row Cycle Time(Manual Precharge)
tRC
19
-
Row Cycle Time(Auto Precharge)
tRC_APCG 21
-
Auto Refresh Row Cycle Time
tRFC
23
-
Row Active Time
tRAS
13
100K
Row Address to Column Address Delay for Read tRCDRD
6
-
Row Address to Column Address Delay for Write tRCDWR
4
-
Row Active to Row Active Delay
tRRD
4
-
Column Address to Column Address Delay
tCCD
2
-
Row Precharge Time
tRP
6
-
Write Recovery Time
tWR
4
-
Last Data-In to Read Command
tDRL
2
-
Auto Precharge Write Recovery + Precharge Time tDAL
10
-
System Clock Cycle Time
CL=4
tCK
3
6
Clock High Level Width
tCH
0.45
0.55
Clock Low Level Width
tCL
0.45
0.55
Data-Out edge to Clock edge Skew
tAC
-0.6
0.6
DQS-Out edge to Clock edge Skew
tDQSCK
-0.6
0.6
DQS-Out edge to Data-Out edge Skew
tDQSQ
-
0.35
Data-Out hold time from DQS
tQH
tHPmin
-tQHS
-
Clock Half Period
tHP
tCH/L
min
-
Data Hold Skew Factor
tQHS
-
0.35
Input Setup Time
tIS
0.75
-
Input Hold Time
tIH
0.75
-
Write DQS High Level Width
tDQSH
0.4
0.6
Write DQS Low Level Width
tDQSL
0.4
0.6
Clock to First Rising edge of DQS-In
tDQSS
0.85
1.15
Data-In Setup Time to DQS-In (DQ & DM)
tDS
0.35
-
Data-In Hold Time to DQS-In (DQ & DM)
tDH
0.35
-
DQS falling edge to CK setup time
tDSS
0.3
-
DQS falling edge hold time from CK
tDSH
0.3
-
Read DQS Preamble Time
tRPRE
0.9
1.1
33
Min
Max
18
-
20
-
22
-
12
100K
6
-
4
-
4
-
1
-
6
-
4
-
2
-
10
-
3.3
6
0.45
0.55
0.45
0.55
-0.6
0.6
-0.6
0.6
-
0.35
tHPmin
-tQHS
-
tCH/L
min
-
-
0.35
0.75
-
0.75
-
0.4
0.6
0.4
0.6
0.85
1.15
0.35
-
0.35
-
0.3
-
0.3
-
0.9
1.1
36
Min
Max
Unit Note
16
-
CK
18
-
20
-
CK
11
100K CK
5
-
CK
3
-
CK
3
-
CK
1
-
CK
5
-
CK
3
-
CK
2
-
CK
8
-
CK
3.6
10
ns
0.45
0.55 CK
0.45
0.55 CK
-0.6
0.6
ns
-0.6
0.6
ns
-
0.35 ns
tHPmin
-tQHS
-
ns 1,6
tCH/L
min
-
ns 1,5
-
0.4
ns 6
0.75
-
ns 2
0.75
-
ns 2
0.4
0.6 CK
0.4
0.6 CK
0.85
1.15 CK
0.4
-
ns 3
0.4
-
ns 3
0.3
-
CK
0.3
-
CK
0.9
1.1 CK
Rev. 1.0 / Oct. 2005
28