參數(shù)資料
型號(hào): HYS72T512022ER
廠商: QIMONDA
英文描述: 240-Pin Dual Die Registered DDR2 SDRAM Modules
中文描述: 240針雙模具注冊(cè)DDR2 SDRAM內(nèi)存模塊
文件頁(yè)數(shù): 21/36頁(yè)
文件大小: 980K
代理商: HYS72T512022ER
Internet Data Sheet
Rev. 1.0, 2007-03
03292007-RHOW-C5L6
21
HYS72T[512/1G]0x2EP–[3S/3.7]–B
Registerd DDR2 SDRAM Module
TABLE 14
DRAM Component Timing Parameter by Speed Grade - DDR2–533
Parameter
Symbol
DDR2–533
Unit
Note
1)2)3)4)5)
6)7)
Min.
Max.
DQ output access time from CK / CK
CAS A to CAS B command period
CK, CK high-level width
CKE minimum high and low pulse width
CK, CK low-level width
Auto-Precharge write recovery + precharge
time
Minimum time clocks remain ON after CKE
asynchronously drops LOW
DQ and DM input hold time (differential data
strobe)
DQ and DM input hold time (single ended data
strobe)
DQ and DM input pulse width (each input)
DQS output access time from CK / CK
DQS input low (high) pulse width (write cycle)
DQS-DQ skew (for DQS & associated DQ
signals)
Write command to 1st DQS latching transition
DQ and DM input setup time (differential data
strobe)
DQ and DM input setup time (single ended data
strobe)
DQS falling edge hold time from CK (write
cycle)
DQS falling edge to CK setup time (write cycle)
t
DSS
Four Activate Window period
Four Activate Window period
Clock half period
Data-out high-impedance time from CK / CK
Address and control input hold time
Address and control input pulse width
(each input)
Address and control input setup time
DQ low-impedance time from CK / CK
DQS low-impedance from CK / CK
Mode register set command cycle time
OCD drive mode output delay
Data output hold time from DQS
t
AC
t
CCD
t
CH
t
CKE
t
CL
t
DAL
–500
2
0.45
3
0.45
WR +
t
RP
+500
0.55
0.55
ps
t
CK
t
CK
t
CK
t
CK
t
CK
8)18)
t
DELAY
t
IS
+
t
CK
+
t
IH
ns
9)
t
DH
(base)
225
ps
10)
t
DH1
(base)
–25
ps
11)
t
DIPW
t
DQSCK
t
DQSL,H
t
DQSQ
0.35
–450
0.35
+
450
300
t
CK
ps
t
CK
ps
11)
t
DQSS
t
DS
(base)
– 0.25
100
+ 0.25
t
CK
ps
11)
t
DS1
(base)
–25
ps
11)
t
DSH
0.2
t
CK
0.2
37.5
50
MIN. (
t
CL,
t
CH
)
375
0.6
t
CK
ns
ns
ps
ps
t
CK
t
FAW
t
FAW
t
HP
t
HZ
t
IH
(base)
t
IPW
13)
12)
t
AC.MAX
13)
11)
t
IS
(base)
t
LZ(DQ)
t
LZ(DQS)
t
MRD
t
OIT
t
QH
250
2
×
t
AC.MIN
t
AC.MIN
2
0
t
HP
t
QHS
t
AC.MAX
t
AC.MAX
12
ps
ps
ps
t
CK
ns
11)
14)
14)
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