參數(shù)資料
型號: HYS72T256023
廠商: QIMONDA
英文描述: 240-Pin Registered DDR2 SDRAM Modules
中文描述: 240針DDR2 SDRAM的注冊模塊
文件頁數(shù): 24/41頁
文件大小: 1063K
代理商: HYS72T256023
Internet Data Sheet
Rev. 1.2, 2007-01
03292006-AYVF-ZIIJ
24
HYS72T[512/256]02xHR–[3S/3.7/5]–A
Registered DDR2 SDRAM Modules
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
Data hold skew factor
Average periodic refresh Interval
Average periodic refresh Interval
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
Active bank A to Active bank B command
period
Internal Read to Precharge command delay
Write preamble
Write postamble
Write recovery time for write without Auto-
Precharge
Internal Write to Read command delay
Exit power down to any valid command
(other than NOP or Deselect)
Exit active power-down mode to Read
command (slow exit, lower power)
t
DS1
(base)
–25
ps
11)
t
DSH
0.2
t
CK
0.2
37.5
50
MIN. (
t
CL,
t
CH
)
475
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
t
QHS
t
REFI
t
REFI
350
2
×
t
AC.MIN
t
AC.MIN
2
0
t
HP
t
QHS
127.5
t
AC.MAX
t
AC.MAX
12
450
7.8
3.9
ps
ps
ps
t
CK
ns
ps
μ
s
μ
s
ns
11)
14)
14)
14)15)
16)18)
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
1.1
0.60
ns
ns
t
CK
t
CK
ns
14)
14)
14)18)
t
RRD
10
ns
16)22)
t
RTP
t
WPRE
t
WPST
t
WR
7.5
0.25
0.40
15
0.60
ns
t
CK
t
CK
ns
19)
t
WTR
t
XARD
10
2
ns
t
CK
20)
21)
t
XARDS
6 – AL
t
CK
21)
Parameter
Symbol
DDR2–400
Unit
Note
1)2)3)4)5)6)7)
Min.
Max.
相關(guān)PDF資料
PDF描述
HYS72T256023HR 240-Pin Registered DDR2 SDRAM Modules
HYS72T256023HR-5-A 240-Pin Registered DDR2 SDRAM Modules
HYS72T512022HR 240-Pin Registered DDR2 SDRAM Modules
HYS72T512022HR-3.7-A 240-Pin Registered DDR2 SDRAM Modules
HYS72T512022HR-3S-A 240-Pin Registered DDR2 SDRAM Modules
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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HYS72T256040HP 制造商:QIMONDA 制造商全稱:QIMONDA 功能描述:240-Pin Registered DDR2 SDRAM Modules
HYS72T256040HP-3.7-A 制造商:QIMONDA 制造商全稱:QIMONDA 功能描述:240-Pin Registered DDR2 SDRAM Modules
HYS72T256040HP-3S-A 制造商:QIMONDA 制造商全稱:QIMONDA 功能描述:240-Pin Registered DDR2 SDRAM Modules