HYB18TC256800BF Datasheet, PDF (29/62 Pages) Qimonda AG – 256-Mbit Double-Data-Rate-Two SDRAM

Internet Data Sheet
HYB18TC256[80/16]0BF
256-Mbit Double-Data-Rate-Two SDRAM
5.5
Input / Output Capacitance
This chapter contains the input / output capacitance.
Symbol
Parameter
CCK
CDCK
CI
CDI
CIO
CDIO
Input capacitance, CK and CK
Input capacitance delta, CK and CK
Input capacitance, all other input-only pins
Input capacitance delta, all other input-only pins
Input/output capacitance,
DQ, DM, DQS, DQS, RDQS, RDQS
Input/output capacitance delta,
DQ, DM, DQS, DQS, RDQS, RDQS
TABLE 35
Input / Output Capacitance for DDR2-800
DDR2-800
Min. Max. Unit
1.0 2.0
pF
—
0.25 pF
1.0 1.75 pF
—
0.25 pF
2.5 3.5
pF
—
0.5
pF
Symbol
Parameter
CCK
CDCK
CI
CDI
CIO
CDIO
Input capacitance, CK and CK
Input capacitance delta, CK and CK
Input capacitance, all other input-only pins
Input capacitance delta, all other input-only pins
Input/output capacitance,
DQ, DM, DQS, DQS, RDQS, RDQS
Input/output capacitance delta,
DQ, DM, DQS, DQS, RDQS, RDQS
TABLE 36
Input / Output Capacitance for DDR2-667
DDR2-667
Min. Max. Unit
1.0 2.0
pF
—
0.25 pF
1.0 2.0
pF
—
0.25 pF
2.5 3.5
pF
—
0.5
pF
Rev. 1.3, 2007-05
29
07182006-DD60-22E6