TNETV6446AINZWT datasheet(106/227 Pages) TI1

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MXI/CLKIN

TMS320DM6446

SPRS283H – DECEMBER 2005 – REVISED SEPTEMBER 2010

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Table 6-17. Timing Requirements for M24XI (-594) Devices(1) (2) (3) (see Figure 6-15)

A-513,

NO.

-594,

UNIT

-810

MIN

TYP

MAX

tc(M24XI)

Cycle time, M24XI

41.6

tw(M24XIH)

Pulse duration, M24XI high

0.45C

0.55C

tw(M24XIL)

Pulse duration, M24XI low

0.45C

0.55C

tt(M24XI)

Transition time, M24XI

0.05C

tJ(M24XI)

Period jitter, M24XI

0.02C

(1)

The reference points for the rise and fall transitions are measured at VIL MAX and VIH MIN.

(2)

For more details on the PLL, see the TMS320DM644x DMSoC Universal Serial Bus (USB) Controller User's Guide (literature number

SPRUE35).

(3)

C = M24XI cycle time in ns. For example, when M24XI frequency is 24 MHz, use C = 41.6 ns.

Figure 6-15. M24XI Timing

106

Peripheral and Electrical Specifications

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