參數(shù)資料
型號(hào)： HYS72T64001HR
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
文件頁數(shù)： 32/67頁
文件大小： 1462K
代理商： HYS72T64001HR
Internet Data Sheet
Rev. 1.21, 2007-03
09152006-J5FK-C565
32
HYS72T[32/64]0xxHR–[2.5/3/3S/3.7/5]–A
Registered DDR2 SDRAM Modules
3.3.3
ODT AC Electrical Characteristics
This chapter contains the ODT AC electrical characteristics tables.
TABLE 20
ODT AC Characteristics and Operating Conditions for DDR2-667 & DDR2-800
TABLE 21
ODT AC Characteristics and Operating Conditions for DDR2-533/DDR2-400
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
+ 0.7 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 measure from
t
AOND
.
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
.
—
—
2)
—
—
—
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 measure from
t
AOND
.
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
.
—
—
2)
—
—
—
相關(guān)PDF資料
PDF描述
HYS72T64001HR-2.5-A 240-Pin Registered DDR2 SDRAM Modules
HYS72T64001HR-3.7-A 240-Pin Registered DDR2 SDRAM Modules
HYS72T64001HR-3-A 240-Pin Registered DDR2 SDRAM Modules
HYS72T64001HR-3S-A 240-Pin Registered DDR2 SDRAM Modules
HYS72T64001HR-5-A 240-Pin Registered DDR2 SDRAM Modules
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HYS72T64001HR-2.5-A 制造商:QIMONDA 制造商全稱:QIMONDA 功能描述:240-Pin Registered DDR2 SDRAM Modules
HYS72T64001HR-3.7-A 制造商:QIMONDA 制造商全稱:QIMONDA 功能描述:240-Pin Registered DDR2 SDRAM Modules
HYS72T64001HR-3-A 制造商:QIMONDA 制造商全稱:QIMONDA 功能描述:240-Pin Registered DDR2 SDRAM Modules
HYS72T64001HR-3S-A 制造商:QIMONDA 制造商全稱:QIMONDA 功能描述:240-Pin Registered DDR2 SDRAM Modules
HYS72T64001HR-5-A 制造商:QIMONDA 制造商全稱:QIMONDA 功能描述:240-Pin Registered DDR2 SDRAM Modules
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