參數(shù)資料
型號(hào)： HYS72T128000HP
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)： 26/49頁(yè)
文件大?。?/td> 1434K
代理商： HYS72T128000HP
Internet Data Sheet
Rev. 1.02, 2007-07
03292006-08VU-L8WK
26
HYS72T[64/128/256]xx0HP–[3S/3.7]–A
Registered DDR2 SDRAM Modules
TABLE 17
ODT AC Character. and Operating Conditions for DDR2-533
Symbol
Parameter / Condition
Values
Unit
Note
Min.
Max.
t
AOND
t
AON
t
AONPD
t
AOFD
t
AOF
t
AOFPD
t
ANPD
t
AXPD
ODT turn-on delay
ODT turn-on
ODT turn-on (Power-Down Modes)
ODT turn-off delay
ODT turn-off
ODT turn-off (Power-Down Modes)
ODT to Power Down Mode Entry Latency
ODT Power Down Exit Latency
2
t
AC.MIN
t
AC.MIN
+ 2 ns
2.5
t
AC.MIN
t
AC.MIN
+ 2 ns
3
8
2
t
AC.MAX
+ 1 ns
2
t
CK +
t
AC.MAX
+ 1 ns
2.5
t
AC.MAX
+ 0.6 ns
2.5
t
CK +
t
AC.MAX
+ 1 ns
—
—
t
CK
ns
ns
t
CK
ns
ns
t
CK
t
CK
1)
1) ODT turn on time min is when the device leaves high impedance and ODT resistance begins to turn on. ODT turn on time max is when the
ODT resistance is fully on. Both are measured from
t
AOND
, which is interpreted differently per speed bin. For DDR2-400/533,
t
AOND
is 10 ns
(= 2 x 5 ns) after the clock edge that registered a first ODT HIGH if
t
CK
= 5 ns.
2) ODT turn off time min. is when the device starts to turn off ODT resistance. ODT turn off time max is when the bus is in high impedance.
Both are measured from
t
AOFD
. Both are measured from
t
AOFD
, which is interpreted differently per speed bin. For DDR2-400/533,
t
AOFD
is
12.5 ns (= 2.5 x 5 ns) after the clock edge that registered a first ODT HIGH if
t
CK
= 5 ns.
2)
相關(guān)PDF資料
PDF描述
HYS72T128000HP-3.7-A 240-Pin Registered DDR2 SDRAM Modules
HYS72T128000HP-3S-A 240-Pin Registered DDR2 SDRAM Modules
HYS72T128020HP 240-Pin Registered DDR2 SDRAM Modules
HYS72T128020HP-3.7-A 240-Pin Registered DDR2 SDRAM Modules
HYS72T128020HP-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
HYS72T128000HP-2.5-B 制造商:QIMONDA 制造商全稱:QIMONDA 功能描述:240-Pin Registered DDR2 SDRAM Modules
HYS72T128000HP-25F-B 制造商:QIMONDA 制造商全稱:QIMONDA 功能描述:240-Pin Registered DDR2 SDRAM Modules
HYS72T128000HP-3.7-A 制造商:QIMONDA 制造商全稱:QIMONDA 功能描述:240-Pin Registered DDR2 SDRAM Modules
HYS72T128000HP-3.7-B 制造商:QIMONDA 制造商全稱:QIMONDA 功能描述:240-Pin Registered DDR2 SDRAM Modules
HYS72T128000HP-3-B 制造商:QIMONDA 制造商全稱:QIMONDA 功能描述:240-Pin Registered DDR2 SDRAM Modules
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