TMS320C6421_0711 Datasheet, PDF (154/223 Pages) Texas Instruments – Fixed-Point Digital Signal Processor

TMS320C6421
Fixed-Point Digital Signal Processor
SPRS346C – JANUARY 2007 – REVISED NOVEMBER 2007
www.ti.com
Table 6-20. Switching Characteristics Over Recommended Operating Conditions for CLKOUT0⁽¹⁾⁽²⁾
(see Figure 6-13)
NO.
PARAMETER
-4/-4Q/-4S
-5/-5Q/-5S
-6
UNIT
MIN
MAX
1 t_C
2 t_w(CLKOUT0H)
3 t_w(CLKOUT0L)
4 t_t(CLKOUT0)
Cycle time, CLKOUT0
Pulse duration, CLKOUT0 high
Pulse duration, CLKOUT0 low
Transition time, CLKOUT0
33.3
0.45P
0.45P
66.7 ns
0.55P ns
0.55P ns
0.05P ns
(1) The reference points for the rise and fall transitions are measured at V_OL MAX and V_OH MIN.
(2) P = 1/CLKOUT0 clock frequency in nanoseconds (ns). For example, when CLKOUT0 frequency is 30 MHz, use P = 33.3 ns.
2
1
4
CLK_OUT0
(Divide-by-1)
3
4
Figure 6-13. CLKOUT0 Timing
154 Peripheral Information and Electrical Specifications
Submit Documentation Feedback