hyb18tc256160af-3.7 Infineon Technologies Corporation, hyb18tc256160af-3.7 Datasheet - Page 98

• Manufacturer Part Number: hyb18tc256160af-3.7
• Description: Consumer Dram Ddr2
• Manufacturer: Infineon Technologies Corporation

7.3
Table 53
Symbol
t
t
t
t
t
t
t
t
1) ODT turn on time min. is when the device leaves high impedance and ODT resistance begins to turn on. ODT turn on time
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
Table 54
Symbol
t
t
t
t
t
t
t
t
1) ODT turn on time min. is when the device leaves high impedance and ODT resistance begins to turn on. ODT turn on time
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
Data Sheet
AOND
AON
AONPD
AOFD
AOF
AOFPD
ANPD
AXPD
AOND
AON
AONPD
AOFD
AOF
AOFPD
ANPD
AXPD
max is when the ODT resistance is fully on. Both are measure from
impedance. Both are measured from
max is when the ODT resistance is fully on. Both are measure from
impedance. Both are measured from
Parameter / Condition
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 3
ODT Power Down Exit Latency
Parameter / Condition
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 3
ODT Power Down Exit Latency
ODT AC Electrical Characteristics
ODT AC Electrical Characteristics and Operating Conditions for DDR2-667
ODT AC Electrical Characteristics and Operating Conditions for DDR2-533
t
t
AOFD
AOFD
.
.
Values
Min.
2
t
t
2.5
t
t
8
Values
Min.
2
t
t
2.5
t
t
8
AC.MIN
AC.MIN
AC.MIN
AC.MIN
AC.MIN
AC.MIN
AC.MIN
AC.MIN
98
+ 2 ns
+ 2 ns
+ 2 ns
+ 2 ns
t
t
AOND
AOND
.
.
Max.
2
t
2
2.5
t
2.5
—
—
Max.
2
t
2
2.5
t
2.5
—
—
AC.MAX
AC.MAX
AC.MAX
AC.MAX
t
t
CK +
CK +
t
t
CK +
CK +
t
t
HYB18TC256160AF–[3S/3.7]
AC.MAX
AC.MAX
+ 0.7 ns
+ 0.6 ns
+ 1 ns
+ 0.6 ns
t
t
AC.MAX
AC.MAX
256-Mbit DDR2 SDRAM
+ 1 ns
+ 1 ns
+ 1 ns ns
Electrical Characteristics
+ 1 ns ns
07212005-A7MT-J7NM
Unit
t
ns
ns
t
ns
t
t
Unit
t
ns
ns
t
ns
t
t
CK
CK
CK
CK
CK
CK
CK
CK
Rev. 1.0, 2005-07
Note
1)
2)
Note
1)
2)