參數(shù)資料
型號(hào): HYS72T256000ER
廠商: QIMONDA
英文描述: 240-Pin Registered DDR2 SDRAM Modules
中文描述: 240針DDR2 SDRAM的注冊(cè)模塊
文件頁(yè)數(shù): 17/33頁(yè)
文件大?。?/td> 892K
代理商: HYS72T256000ER
Internet Data Sheet
Rev. 1.0, 2006-10
10202006-EHWJ-OT02
17
HYS72T256000ER-[3.7/5]-B
Registerd DDR2 SDRAM Module
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
t
DS
(base)
100
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
13)
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
Data hold skew factor
Average periodic refresh Interval
t
HP
t
HZ
t
IH
(base)
t
IPW
12)
t
AC.MAX
13)
11)
t
IS
(base)
t
LZ(DQ)
t
LZ(DQS)
t
MRD
t
OIT
t
QH
t
QHS
t
REFI
250
2
×
t
AC.MIN
t
AC.MIN
2
0
t
HP
t
QHS
127.5
t
AC.MAX
t
AC.MAX
12
400
7.8
3.9
ps
ps
ps
t
CK
ns
ps
μ
s
μ
s
ns
11)
14)
14)
14)15)
16)18)
Auto-Refresh to Active/Auto-Refresh
command period
Precharge-All (4 banks) command period
Precharge-All (8 banks) command period
Read preamble
Read postamble
Active bank A to Active bank B command
period
t
RFC
17)
t
RP
t
RP
t
RPRE
t
RPST
t
RRD
t
RP
+ 1
t
CK
15 + 1
t
CK
0.9
0.40
7.5
10
7.5
0.25 x
t
CK
0.40
15
1.1
0.60
0.60
ns
ns
t
CK
t
CK
ns
ns
ns
t
CK
t
CK
ns
14)
14)
14)18)
16)20)
Internal Read to Precharge command delay
Write preamble
Write postamble
Write recovery time for write without Auto-
Precharge
Write recovery time for write with Auto-
Precharge
Internal Write to Read command delay
Exit power down to any valid command
(other than NOP or Deselect)
t
RTP
t
WPRE
t
WPST
t
WR
19)
WR
t
WR
/
t
CK
t
CK
20)
t
WTR
t
XARD
7.5
2
ns
t
CK
21)
22)
Parameter
Symbol
DDR2–533
Unit
Note
1)2)3)4)5)
6)7)
Min.
Max.
相關(guān)PDF資料
PDF描述
HYS72T256000ER-3.7-B 240-Pin Registered DDR2 SDRAM Modules
HYS72T256000ER-5-B 240-Pin Registered DDR2 SDRAM Modules
HYS72T256020EU-2.5-B 240-Pin unbuffered DDR2 SDRAM Modules
HYS72T256020EU-25F-B 240-Pin unbuffered DDR2 SDRAM Modules
HYS72T256020EU-3.7-B 240-Pin unbuffered DDR2 SDRAM Modules
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HYS72T256000ER-3.7-B 制造商:QIMONDA 制造商全稱(chēng):QIMONDA 功能描述:240-Pin Registered DDR2 SDRAM Modules
HYS72T256000ER-5-B 制造商:QIMONDA 制造商全稱(chēng):QIMONDA 功能描述:240-Pin Registered DDR2 SDRAM Modules
HYS72T256000HR 制造商:QIMONDA 制造商全稱(chēng):QIMONDA 功能描述:240-Pin Registered DDR SDRAM Modules
HYS72T256000HR-3.7-A 制造商:QIMONDA 制造商全稱(chēng):QIMONDA 功能描述:240-Pin Registered DDR SDRAM Modules
HYS72T256000HR-3S-A 制造商:QIMONDA 制造商全稱(chēng):QIMONDA 功能描述:240-Pin Registered DDR SDRAM Modules