See figure 25) – Texas Instruments TMS320C6712D User Manual

Page 69

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TMS320C6712D

FLOATINGĆPOINT DIGITAL SIGNAL PROCESSOR

SPRS293A − OCTOBER 2005 − REVISED NOVEMBER 2005

69

POST OFFICE BOX 1443

HOUSTON, TEXAS 77251−1443

INPUT AND OUTPUT CLOCKS (CONTINUED)

switching characteristics over recommended operating conditions for ECLKOUT

†‡§

(see Figure 25)

NO.

PARAMETER

−150

UNIT

NO.

PARAMETER

MIN

MAX

UNIT

1

tc(EKO)

Cycle time, ECLKOUT

E − 0.9

E + 0.9

ns

2

tw(EKOH)

Pulse duration, ECLKOUT high

EH − 0.9

EH + 0.9

ns

3

tw(EKOL)

Pulse duration, ECLKOUT low

EL − 0.9

EL + 0.9

ns

4

tt(EKO)

Transition time, ECLKOUT

2

ns

5

td(EKIH-EKOH)

Delay time, ECLKIN high to ECLKOUT high

1

6.5

ns

6

td(EKIL-EKOL)

Delay time, ECLKIN low to ECLKOUT low

1

6.5

ns

† The reference points for the rise and fall transitions are measured at VOL MAX and VOH MIN.

‡ E = ECLKIN period in ns
§ EH is the high period of ECLKIN in ns and EL is the low period of ECLKIN in ns.

5

6

1

2

3

ECLKIN

ECLKIN

ECLKOUT

4

4

Figure 25. ECLKOUT Timings

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