參數(shù)資料
型號: HYS64T16000HDL-2.5-A
廠商: INFINEON TECHNOLOGIES AG
元件分類: DRAM
英文描述: 16M X 64 DDR DRAM MODULE, 0.4 ns, DMA200
封裝: GREEN, SODIMM-200
文件頁數(shù): 20/46頁
文件大?。?/td> 833K
代理商: HYS64T16000HDL-2.5-A
Data Sheet
24
Rev. 1.1, 2005-06
02182004-HWZ1-64OM
HYS64T[16/32/64]0xxxHDL–[2.5/3.7/5]–A
Small Outline DDR2 SDRAM Modules
Electrical Characteristics
3.3.3
ODT AC Electrical Characteristics
Table 17
ODT AC Electrical Characteristics and Operating Conditions for DDR2-800
Symbol
Parameter / Condition
Values
Unit
Note
Min.
Max.
t
AOND
ODT turn-on delay
2
t
CK
t
AON
ODT turn-on
t
AC.MIN
t
AC.MAX +0.7 ns
ns
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.
t
AONPD
ODT turn-on (Power-Down Modes)
t
AC.MIN + 2 ns
2
t
CK + tAC.MAX +1 ns
ns
t
AOFD
ODT turn-off delay
2.5
t
CK
t
AOF
ODT turn-off
t
AC.MIN
t
AC.MAX +0.6 ns
ns
2)
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.
t
AOFPD
ODT turn-off (Power-Down Modes)
t
AC.MIN + 2 ns
2.5
t
CK + tAC.MAX + 1 ns ns
t
ANPD
ODT to Power Down Mode Entry Latency 3
t
CK
t
AXPD
ODT Power Down Exit Latency
8
t
CK
Table 18
ODT AC Characteristics and Operating Conditions for DDR2-533 and DDR2-400
Symbol
Parameter / Condition
Values
Unit
Note
Min.
Max.
t
AOND
ODT turn-on delay
2
t
CK
t
AON
ODT turn-on
t
AC.MIN
t
AC.MAX + 1 ns
ns
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.
t
AONPD
ODT turn-on (Power-Down Modes)
t
AC.MIN + 2 ns
2
t
CK + tAC.MAX + 1 ns
ns
t
AOFD
ODT turn-off delay
2.5
t
CK
t
AOF
ODT turn-off
t
AC.MIN
t
AC.MAX + 0.6 ns
ns
2)
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.
t
AOFPD
ODT turn-off (Power-Down Modes)
t
AC.MIN + 2 ns
2.5
t
CK + tAC.MAX + 1 ns ns
t
ANPD
ODT to Power Down Mode Entry Latency 3
t
CK
t
AXPD
ODT Power Down Exit Latency
8
t
CK
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