HY5DU281622ETP-25 HYNIX [Hynix Semiconductor], HY5DU281622ETP-25 Datasheet - Page 28

• Manufacturer Part Number: HY5DU281622ETP-25
• Description: 128M(8Mx16) gDDR SDRAM
• Manufacturer: HYNIX [Hynix Semiconductor]

Rev. 1.0 / Oct. 2005
AC CHARACTERISTICS - I
Row Cycle Time(Manual Precharge)
Row Cycle Time(Auto Precharge)
Auto Refresh Row Cycle Time
Row Active Time
Row Address to Column Address Delay for Read
Row Address to Column Address Delay for Write
Row Active to Row Active Delay
Column Address to Column Address Delay
Row Precharge Time
Write Recovery Time
Last Data-In to Read Command
Auto Precharge Write Recovery + Precharge Time
System Clock Cycle Time
Clock High Level Width
Clock Low Level Width
Data-Out edge to Clock edge Skew
DQS-Out edge to Clock edge Skew
DQS-Out edge to Data-Out edge Skew
Data-Out hold time from DQS
Clock Half Period
Data Hold Skew Factor
Input Setup Time
Input Hold Time
Write DQS High Level Width
Write DQS Low Level Width
Clock to First Rising edge of DQS-In
Data-In Setup Time to DQS-In (DQ & DM)
Data-In Hold Time to DQS-In (DQ & DM)
DQS falling edge to CK setup time
DQS falling edge hold time from CK
Read DQS Preamble Time
Parameter
CL=4
(AC operating conditions unless otherwise noted)
tRC_APCG
Symbol
t
t
t
RCDWR
t
t
RCDRD
t
t
DQSCK
t
tDSH
t
t
t
DQSQ
t
DQSH
t
t
t
DQSL
DQSS
tDSS
t
RPRE
t
t
t
t
t
t
t
RRD
CCD
t
t
t
QHS
RFC
RAS
DRL
DAL
t
t
WR
QH
RC
CH
HP
DS
DH
RP
CK
CL
AC
IS
IH
tHPmin
-tQHS
tCH/L
0.45
0.45
0.75
0.75
0.85
0.35
0.35
Min
-0.6
-0.6
min
0.4
0.4
0.3
0.3
0.9
19
21
23
13
10
6
4
4
2
6
4
2
3
-
-
30
100K
Max
0.55
0.55
0.35
0.35
1.15
0.6
0.6
0.6
0.6
1.1
6
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
tHPmin
-tQHS
tCH/L
0.45
0.45
0.85
0.35
0.35
Min
0.75
0.75
-0.6
-0.6
min
3.3
0.4
0.4
0.3
0.3
0.9
18
20
22
12
10
6
4
4
1
6
4
2
-
-
33
100K
Max
0.55
0.55
0.35
0.35
1.15
0.6
0.6
0.6
0.6
1.1
6
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1HY5DU281622ETP
tHPmin
-tQHS
tCH/L
0.45
0.45
0.75
0.75
0.85
Min
-0.6
-0.6
min
3.6
0.4
0.4
0.4
0.4
0.3
0.3
0.9
16
18
20
11
5
3
3
1
5
3
2
8
-
-
36
100K
Max
0.55
0.55
0.35
1.15
0.6
0.6
0.4
0.6
0.6
1.1
10
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Unit
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Note
1,6
1,5
6
2
2
3
3
28