k4t56043qf Samsung Semiconductor, Inc., k4t56043qf Datasheet - Page 16

• Manufacturer Part Number: k4t56043qf
• Description: 256mb F-die Ddr2 Sdram Specification
• Manufacturer: Samsung Semiconductor, Inc.

256Mb F-die DDR2 SDRAM
V
V
V
V
V
V
IL(dc)
IL(ac)
DDQ
REF
IH(ac)
IH(dc)
Setup Slew Rate
Setup Slew Rate
Hold Slew Rate
Hold Slew Rate
Rising Signal
Rising Signal
Falling Signal
DQS
Falling Signal
DQS
max
max
min
min
V
SS
dc to ac
region
Setup
Delta TF
<Figure. a>
Setup
Time
=
=
=
=
Vih(ac)min - Vih(dc)min
Vil(dc)max - Vil(ac)max
Vref - Vil(dc)max
Vih(dc)min - Vref
Hold Delta TR
Hold
Time
Hold Delta TF
Setup Delta TF
Setup
Hold
Delta TR
Delta TR
Setup
Delta TR
Setup
Time
Hold
Time
Delta TF
Hold
dc to ac
region
Page 16 of 36
V
V
V
V
V
V
IL(dc)
IL(ac)
DDQ
REF
IH(ac)
IH(dc)
Setup Slew Rate
Hold Slew Rate
Setup Slew Rate
Hold Slew Rate
Rising Signal
Falling Signal
CK
CK
Falling Signal
Rising Signal
max
max
min
min
V
SS
dc to ac
region
Setup
Delta TF
=
=
Setup
Time
=
=
tangent line[Vih(ac)min - Vih(dc)min]
tangent line[Vil(dc)max - Vil(ac)max]
<Figure. b>
tangent line [ Vih(dc)min - Vref ]
tangent line [ Vref - Vil(dc)max ]
Hold
Time
Hold
Delta TR
Setup Delta TR
Setup Delta TF
Hold Delta TF
Hold Delta TR
Rev. 0.91 (Sep. 2003)
DDR2 SDRAM
Setup
Delta TR
Setup
Time
Preliminary
Hold
Time
Hold
Delta TF
dc to ac
region