Digital Media System-on-Chip (DMSoC) Product Preview

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PRODUCT PREVIEW
5 6
1
2 3
4
4
MXI/CLKIN
CLKOUT3
TMS320DM355
Digital Media System-on-Chip (DMSoC)
SPRS463A – SEPTEMBER 2007 – REVISED SEPTEMBER 2007
Table 5-9. Switching Characteristics Over Recommended Operating Conditions for CLKOUT3
(1) (2)
(see
Figure 5-11 )
DM355
NO. PARAMETER UNIT
MIN TYP MAX
1 t
C(CLKOUT3)
Cycle time, CLKOUT3 t
c(MXI1)
/8
2 t
w(CLKOUT3H)
Pulse duration, CLKOUT3 high 0.45P 0.55P ns
3 t
w(CLKOUT3L)
Pulse duration, CLKOUT3 low 0.45P 0.55P ns
4 t
t(CLKOUT3)
Transition time, CLKOUT3 0.05P ns
t
d(MXI2H-
5 Delay time, CLKIN/MXI high to CLKOUT3 high 1 8 ns
CLKOUT3H)
t
d(MXI2L-
6 Delay time, CLKIN/MXI low to CLKOUT3 low 1 8 ns
CLKOUT3L)
(1) The reference points for the rise and fall transitions are measured at V
OL
MAX and V
OH
MIN.
(2) P = 1/CLKOUT3 clock frequency in nanoseconds (ns). For example, when CLKOUT3 frequency is 3 MHz use P = 333. 3 ns.
Figure 5-11. CLKOUT3 Timing
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