參數(shù)資料
型號： HYS72T256020HFA-3S-B
廠商： QIMONDA AG
元件分類： DRAM
英文描述： 240-Pin Fully-Buffered DDR2 SDRAM Modules
中文描述： 256M X 72 DDR DRAM MODULE, DMA240
封裝： GREEN, DIMM-240
文件頁數(shù)： 16/47頁
文件大?。?/td> 1378K
代理商： HYS72T256020HFA-3S-B
HYS72T[64/128/256]4[00/20]HFA–[2.5/3S/3.7]–B
Fully-Buffered DDR2 SDRAM Modules
Internet Data Sheet
Rev.1.01, 2007-06-20
10062006-RQWY-GI6S
16
4
Electrical Characteristics
This chapter describes the electrical characteristics.
4.1
Operating Conditions
This chapter describes the operating conditions.
TABLE 8
Absolute Maximum Ratings
Attention: Stresses greater than those listed under “Absolute Maximum Ratings” may cause permanent damage to
the device. This is a stress rating only and functional operation of the device at these or any other
conditions above those indicated in the operational sections of this specification is not implied. Exposure
to absolute maximum rating conditions for extended periods may affect reliability.
TABLE 9
Operating Temperature Range
Symbol
Parameter
Rating
Unit
Notes
Min.
Max.
V
DD
V
CC
V
DDQ
V
DDL
V
IN
,
V
OUT
T
STG
V
TT
Voltage on
V
DD
pin relative to
V
SS
Voltage on
V
CC
pin relative to
V
SS
Voltage on
V
DDQ
pin relative to
V
SS
Voltage on
V
DDL
pin relative to
V
SS
Voltage on any pin relative to
V
SS
Storage Temperature
Voltage on
V
TT
pin relative to
V
SS
–0.5
–0,3
–0.5
–0.5
–0.3
–55
–0.5
+2.3
1.75
+2.3
+2.3
+1.75
+100
2.3
V
V
V
V
V
°C
V
1)
1) When
V
DD
and
V
DDQ
and
V
DDL
are less than 500 mV;
V
REF
may be equal to or less than 300 mV.
2) Storage Temperature is the case surface temperature on the center/top side of the DRAM.
–
1)2)
1)2)
1)
1)2)
–
Symbol
Parameter
Values
Unit
Note
Min.
Max.
T
CASE
T
CASE
DRAM Component Case Temperature Range
AMB Component Case Temperature Range
0
0
+95
+110
°C
°C
1)2)3)
1) Within the DRAM Component Case Temperature range all DRAM specification will be supported.
2) Self-Refresh period is hard-coded in the DRAMs and therefore it is imperative that the system ensures the DRAM is below 85C case
temperature before initiating self-refresh operation.
3) Above 85C DRAM case temperature the Auto-Refresh command interval has to be reduced to tREFI = 3.9
μ
s.
1)
相關(guān)PDF資料
PDF描述
HYS72T64400HFA 240-Pin Fully-Buffered DDR2 SDRAM Modules
HYS72T64400HFA-2.5-B 240-Pin Fully-Buffered DDR2 SDRAM Modules
HYS72T64400HFA-3.7-B 240-Pin Fully-Buffered DDR2 SDRAM Modules
HYS72T64400HFA-3S-B 240-Pin Fully-Buffered DDR2 SDRAM Modules
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HYS72T256020HR-5-A 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:DDR2 Registered Memory Modules
HYS72T256020HU-3.7-A 制造商:QIMONDA 制造商全稱:QIMONDA 功能描述:240-Pin Unbuffered DDR2 SDRAM Modules
HYS72T256020HU-3-A 制造商:QIMONDA 制造商全稱:QIMONDA 功能描述:240-Pin Unbuffered DDR2 SDRAM Modules
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