參數(shù)資料
型號(hào): HYS72T128020GU-37-A
廠商: INFINEON TECHNOLOGIES AG
英文描述: 240-Pin Unbuffered DDR2 SDRAM Modules
中文描述: 240針無(wú)緩沖DDR2 SDRAM內(nèi)存模塊
文件頁(yè)數(shù): 29/67頁(yè)
文件大?。?/td> 1527K
代理商: HYS72T128020GU-37-A
HYS[64T[3200/6400/12802]0/72T[6400/12802]0][G/H]U–[3.7/5]–A
512 Mbit DDR2 SDRAM
Electrical Characteristics & AC Timings
Data Sheet
29
Rev. 0.87, 2004-06
09122003-GZEK-H4J6
t
REFI
Average Periodic Refresh
Interval
0
ο
C - 85
ο
C
85
ο
C - 95
ο
C
-
-
105
7.8
3.9
-
-
-
105
7.8
3.9
-
μs
1)
1)
t
RFC
Auto-refresh to Active/Auto-refresh command
period
Precharge command period
Read preamble
Read postamble
Active bank A to Active bank B
command
ns
1)
t
RP
t
RPRE
t
RPST
t
RRD
15
0.9
0.40
7.5
-
1.1
0.60
-
15
0.9
0.40
7.5
-
1.1
0.60
-
ns
t
CK
t
CK
ns
1)
1)
1)
x8
(1k page size)
x16
(2k page size)
1)
10
-
10
-
ns
1)
t
RTP
Internal read to precharge command delay
7.5
-
7.5
-
ns
1)
1)
t
QH
t
QHS
t
WPRE
t
WPST
t
WR
t
WTR
t
XARD
Data Output hold time from DQS
Data hold skew factor
Write preamble
Write postamble
Write recovery time
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
(slew exit, lower power)
Exit precharge power-down to any valid
command (other than NOP or Deselect)
Exit Self-Refresh to non-read command
t
HP
- t
QHS
-
-
0.25
0.40
15
10
2
t
HP
-t
QHS
-
0.25
0.40
15
7.5
2
-
400
-
0.60
-
-
-
1)
450
-
0.60
-
-
-
ps
t
CK
t
CK
ns
ns
t
CK
1)
1)
1)
1)
1)
1)
t
XARDS
6 - AL
-
6 - AL
-
t
CK
1)
t
XP
2
-
2
-
t
CK
1)
t
XSNR
t
RFC
+ 10 -
t
RFC
+
10
200
-
ns
1)5)
t
XSRD
Exit Self-Refresh to read command
200
-
-
t
CK
1)6)
1) For details and notes see the relevant INFINEON component datasheet
2) CL = 3
3) CL = 4 & 5
4) Timing definition and values for
t
IS
,
t
IH
,
t
DS
and
t
DH
may change due to actual JEDEC work. This may also effect the SPD
code for these parameters
5)
0 °C
T
CASE
85 °C
6) 85 °C
<
T
CASE
95 °C
Table 21
Symbol Parameter
AC Timing - Absolute Specifications –5 / –3.7
–5
DDR2–400
min.
–3.7
DDR2–533
min.
Unit Notes
max.
max.
相關(guān)PDF資料
PDF描述
HYS64T128020GU-37-A 240-Pin Unbuffered DDR2 SDRAM Modules
HYS72T64000GU-37-A 240-Pin Unbuffered DDR2 SDRAM Modules
HYS64T64000GU-37-A 240-Pin Unbuffered DDR2 SDRAM Modules
HYS64T32000GU-37-A 240-Pin Unbuffered DDR2 SDRAM Modules
HYS72T128020GU-5-A 240-Pin Unbuffered DDR2 SDRAM Modules
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HYS72T128020GU-5-A 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:240-Pin Unbuffered DDR2 SDRAM Modules
HYS72T128020HF 制造商:QIMONDA 制造商全稱:QIMONDA 功能描述:240-Pin Fully-Buffered DDR2 SDRAM Modules
HYS72T128020HFA 制造商:QIMONDA 制造商全稱:QIMONDA 功能描述:240-Pin Fully-Buffered DDR2 SDRAM Modules
HYS72T128020HFA-2.5-B 制造商:QIMONDA 制造商全稱:QIMONDA 功能描述:240-Pin Fully-Buffered DDR2 SDRAM Modules
HYS72T128020HFA-3.7-B 制造商:QIMONDA 制造商全稱:QIMONDA 功能描述:240-Pin Fully-Buffered DDR2 SDRAM Modules