Clk Alternating-Current Electrical Characteristics - Samsung S5PC110 Manual

S5PC110_UM 1 ELECTRICAL DATA

1.4 CLK ALTERNATING-CURRENT ELECTRICAL CHARACTERISTICS

Pin's Alternating-Current (AC) characteristics include input and output capacitance. These factors determine the
loading for external drivers and other load analyses.
t
XTALCYC
1/2 VDD_SYS
1/2 VDD_SYS
The clock input from the X pin.
NOTE: TIpll
Figure 1-1 XTIpll Clock Timing
t
EXTCYC
t t
EXTHIGH EXTLOW
V
IH
V
IH
1/2 VDD_SYS
1/2 VDD_SYS
V
V IL
IL
NOTE: The clock input from the EXTCLK pin.
Figure 1-2 EXTCLK Clock Input Timing
1-8