Rev. 1.11 - UBiio

Internet Data Sheet
HY[B/I]18T256[40/80/16]0B[C/F](L)
256-Mbit Double-Data-Rate-Two SDRAM
Symbol Parameter DDR2-533
Min. Max. Unit
CIO
CDIO
Input/output capacitance,
DQ, DM, DQS, DQS, RDQS, RDQS
Input/output capacitance delta,
DQ, DM, DQS, DQS, RDQS, RDQS
2.5 4.0 pF
— 0.5 pF
TABLE 42
Input / Output Capacitance for DDR2-400
Symbol Parameter DDR2-400
Min. Max. Unit
CCK Input capacitance, CK and CK 1.0 2.0 pF
CDCK Input capacitance delta, CK and CK — 0.25 pF
CI Input capacitance, all other input-only pins 1.0 2.0 pF
CDI Input capacitance delta, all other input-only pins — 0.25 pF
CIO
Input/output capacitance,
2.5 4.0 pF
DQ, DM, DQS, DQS, RDQS, RDQS
CDIO Input/output capacitance delta,
DQ, DM, DQS, DQS, RDQS, RDQS
— 0.5 pF
Rev. 1.11, 2007-07 37
11172006-LBIU-F1TN