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DM368ZCEZ Datasheet(PDF) 83 Page - Texas Instruments |
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DM368ZCEZ Datasheet(HTML) 83 Page - Texas Instruments |
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83 / 208 page  CLKOUT0/1 1 2 4 4 MXI1/CLKIN 5 6 3 MXI1/CLKIN CLKOUT2 1 2 3 4 5 6 4 TMS320DM368 www.ti.com SPRS668C – APRIL 2010 – REVISED JUNE 2011 Table 6-5. Switching Characteristics Over Recommended Operating Conditions for CLKOUT0/CLKOUT1(1) (2) (see Figure 6-7) DEVICE NO. PARAMETER UNIT MIN TYP MAX 1 tC(CLKOUT0/CLKOUT1) Cycle time, CLKOUT0/CLKOUT1 27.7 ns 2 tw(CLKOUT0H/CLKOUT1H) Pulse duration, CLKOUT0/CLKOUT1 high .45P .55P ns 3 tw(CLKOUT0L/CLKOUT1L) Pulse duration, CLKOUT0/CLKOUT1 low .45P .55P ns 4 tt(CLKOUT0/CLKOUT1) Transition time, CLKOUT0/CLKOUT1 3 ns Delay time, MXI1/CLKIN1 high to CLKOUT0/CLKOUT1 5 td(MXI1H-CLKOUT0H/CLKOUT1H) 1 8 ns high Delay time, MXI1/CLKIN1I low to CLKOUT0/CLKOUT1 6 td(MXI1L-CLKOUT0L/CLKOUT1L) 1 8 ns low (1) The reference points for the rise and fall transitions are measured at VOL MAX and VOHMIN. (2) P = 1/CLKOUT0/1 clock frequency in nanoseconds (ns). For example, when CLKOUT1 frequency is 24 MHz use P = 41.6 ns. Figure 6-7. CLKOUT1 Timing Table 6-6. Switching Characteristics Over Recommended Operating Conditions for CLKOUT2(1) (2) (see Figure 6-8) DEVICE NO. PARAMETER UNIT MIN TYP MAX 1 tC(CLKOUT2) Cycle time, CLKOUT2 20 ns 2 tw(CLKOUT2H) Pulse duration, CLKOUT2 high .45P .55P ns 3 tw(CLKOUT2L) Pulse duration, CLKOUT2 low .45P .55P ns 4 tt(CLKOUT2) Transition time, CLKOUT2 3 ns td(MXI1H- 5 Delay time, MXI1/CLKIN1 high to CLKOUT2 high 1 8 ns CLKOUT2H) td(MXI1L- 6 Delay time, MXI1/CLKIN1 low to CLKOUT2 low 1 8 ns CLKOUT2L) (1) The reference points for the rise and fall transitions are measured at VOL MAX and VOH MIN. (2) P = 1/CLKOUT2 clock frequency in nanoseconds (ns). For example, when CLKOUT2 frequency is 8 MHz use P = 125 ns. Figure 6-8. CLKOUT2 Timing Copyright © 2010–2011, Texas Instruments Incorporated Peripheral Information and Electrical Specifications 83 Submit Documentation Feedback Product Folder Link(s): TMS320DM368 |
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