TMS320C44 datasheet(21/42 Pages) TI

21 / 42 page

TMS320C44

DIGITAL SIGNAL PROCESSOR

SPRS031B – AUGUST 1994 – REVISED DECEMBER 1995

POST OFFICE BOX 1443

• HOUSTON, TEXAS 77251–1443

timing for X2 / CLKIN, H1, H3 (see Figure 8 and Figure 9)

TMS320C44- 50

TMS320C44- 60

UNIT

NO.

MIN

MAX

MIN

MAX

UNIT

tf(CI)

Fall time, CLKIN

5†

tw(CIL)

Pulse duration, CLKIN low, tc(CI) = MIN

tw(CIH)

Pulse duration, CLKIN high, tc(CI) = MIN

tr(CI)

Rise time, CLKIN

5†

tc(CI)

Cycle time, CLKIN

242.5

16.67

242.5

tf(H)

Fall time, H1 and H3

tw(HL)

Pulse duration, H1 and H3 low

tc(CI) –6 tc(CI) +6 tc(CI) –6 tc(CI) +6

tw(HH)

Pulse duration, H1 and H3 high

tc(CI) –6 tc(CI) +6 tc(CI) –6 tc(CI) +6

tr(H)

Rise time, H1 and H3

9.1

td(HL - HH)

Delay time from H1 low to H3 high or from H3 low to H1 high

–1

tc(H)

Cycle time, H1 and H3‡

485

33.3

485

† This value is specified by design but not tested.

‡ Maximum cycle time is not limited during IDLE2 operation.

X2 / CLKIN

Figure 8. X2 / CLKIN Timing

9.1

Figure 9. H1 and H3 Timings

TMS320C44 Datasheet(PDF) 21 Page - Texas Instruments

TMS320C44 Datasheet(HTML) 21 Page - Texas Instruments

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42

Datasheet Download

Link URL