Samsung S3C2451X User Manual page 753

S3C2451X RISC MICROPROCESSOR
Table 29-25. USB Full Speed Output Buffer Electrical Characteristics
(VDDi= 1.3V± 0.05V (400MHz), VDDi= TBD V± 0.05V (533MHz), TA = -40 to 85°C, VDDA33x = 3.3V ± 0.3V)
Parameter
Driver Characteristics
Transition Time
Rise Time
Fall Time
Rise/Fall Time Matching
Output Signal Crossover
Voltage
Drive Output Resistance
Table 29-26. USB High Speed Output Buffer Electrical Characteristics
(VDDi= 1.3V± 0.05V (400MHz), VDDi= TBD V± 0.05V (533MHz), TA = -40 to 85°C, VDDA33x = 3.3V ± 0.3V)
Parameter
Driver Characteristics
Transition Time
Rising Time
Falling Time
Drive Output Resistance
Table 29-27. High Speed SDMMC Interface Transmit/Receive Timing Constants
(VDDi= 1.3V± 0.05V (400MHz), VDDi= TBD V± 0.05V (533MHz), TA = -40 to 85°C, VDD_SD = 3.3V ± 0.3V)
Parameter
SD Command output Delay time
SD Command input Setup time
SD Command input Hold time
SD Data output Delay time
SD Data input Setup time
SD Data input Hold time
Symbol
TR CL = 50pF
TF CL = 50pF
TRFM (TR / TF )
VCRS
ZDRV Steady state drive
Symbol
TR
TF
ZDRV Steady state drive
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
Condition
Condition
Symbol Min
t
0.4
SDCD
t
12.2
SDCS
t
-
SDCH
t
0.4
SDDD
t
12.3
SDDS
t -
SDDH
ELECTRICAL DATA
Min Max
4.0 20
4.0 20
90 110
1.3 2.0
28 43
Min Max
500
500
40.5 49.5
Typ. Max
– 6.8
– –
– 0.1
– 6.6
– –
– 0.1
Unit
ns
%
V
ohm
Unit
ps
ps
ohm
Unit
ns
ns
ns
ns
ns
ns
29-29