參數(shù)資料
型號(hào): HYS72T512020HR-3.7-A
廠商: QIMONDA AG
元件分類: DRAM
英文描述: 240-Pin Registered-DDR2-SDRAM Modules
中文描述: 512M X 72 DDR DRAM MODULE, 0.5 ns, DMA240
封裝: GREEN, DIMM-240
文件頁(yè)數(shù): 16/37頁(yè)
文件大?。?/td> 892K
代理商: HYS72T512020HR-3.7-A
Internet Data Sheet
Rev. 1.11, 2006-09
03062006-TZ8J-GNDA
18
HYS72T512020HR–[3.7/5]–A
Registered DDR2 SDRAM Modules
3.3.2
AC Timing Parameters
This chapter contains the AC Timing Parameters.
TABLE 12
Timing Parameter by Speed Grade - DDR2-400 & DDR2-533
Parameter
Symbol
DDR2–533
DDR2–400
Unit
Note
1)2)
3)4)5)6)7)
Min.
Max.
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)
Four Activate Window period
t
AC
t
CCD
t
CH
t
CKE
–500
2
0.45
3
+500
0.55
–600
2
0.45
3
+600
0.55
ps
t
CK
t
CK
t
CK
t
CL
t
DAL
0.45
WR +
t
RP
0.55
0.45
WR +
t
RP
0.55
t
CK
t
CK
t
DELAY
t
IS
+
t
CK
+
t
IH
––
t
IS
+
t
CK
+
t
IH
ns
t
DH
(base)
225
––
275
––
ps
t
DH1
(base)
–25
25
ps
t
DIPW
0.35
0.35
t
CK
t
DQSCK
t
DQSL,H
–450
0.35
+
450
–500
0.35
+
500
ps
t
CK
t
DQSQ
300
350
ps
t
DQSS
– 0.25
+ 0.25
– 0.25
+ 0.25
t
CK
t
DS
(base)
100
150
ps
t
DS1
(base)
–25
25
ps
t
DSH
0.2
0.2
t
CK
t
DSS
0.2
0.2
t
CK
t
FAW
37.5
50
MIN. (
t
CL,
t
CH
)
37.5
50
MIN. (
t
CL,
t
CH
)
ns
ns
8)
Clock half period
Data-out high-impedance time from
CK/CK
Address and control input hold time
t
HP
t
HZ
t
AC.MAX
t
AC.MAX
ps
t
IH
(base)
375
475
ps
相關(guān)PDF資料
PDF描述
HYS72T512020HR-5-A 240-Pin Registered-DDR2-SDRAM Modules
HYS72T512022EP 240-Pin Dual Die Registered DDR2 SDRAM Modules
HYS72T512022EP-3.7-B 240-Pin Dual Die Registered DDR2 SDRAM Modules
HYS72T512022EP-3S-B 240-Pin Dual Die Registered DDR2 SDRAM Modules
HYS72T512022ER 240-Pin Dual Die Registered DDR2 SDRAM Modules
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HYS72T512020HR-5-A 制造商:QIMONDA 制造商全稱:QIMONDA 功能描述:240-Pin Registered-DDR2-SDRAM Modules
HYS72T512022EP 制造商:QIMONDA 制造商全稱:QIMONDA 功能描述:240-Pin Dual Die Registered DDR2 SDRAM Modules
HYS72T512022EP-3.7-B 制造商:QIMONDA 制造商全稱:QIMONDA 功能描述:240-Pin Dual Die Registered DDR2 SDRAM Modules
HYS72T512022EP-3S-B 制造商:QIMONDA 制造商全稱:QIMONDA 功能描述:240-Pin Dual Die Registered DDR2 SDRAM Modules
HYS72T512022ER 制造商:QIMONDA 制造商全稱:QIMONDA 功能描述:240-Pin Dual Die Registered DDR2 SDRAM Modules