CS5466

8

SWITCHING CHARACTERISTICS

•

Min / Max characteristics and specifications are guaranteed over all Operating Conditions.

•

Typical characteristics and specifications are measured at nominal supply voltages and TA = 25 °C.

•

VA+ = 5 V ±5% VD+ = 3.3 V ±5% or 5 V ±5%; AGND = DGND = 0 V. All voltages with respect to 0 V.

•

Logic Levels: Logic 0 = 0 V, Logic 1 = VD+.

11.

Oscillator start-up time varies with crystal parameters. This specification does not apply when using an external

clock source.

12.

Pulse output timing is specified at MCLK = 4.096 MHz. Current and voltage signals are at unity power factor. Refer

to Section 5.3 for more information on pulse output pins.

13.

Timing is proportional to the frequency of MCLK.

14.

When FREQ2 = 0, FREQ1=1 and FREQ0=1, FOUT will have a typical pulse width of 20

µs at MCLK = 4.096 MHz.

Parameter

Symbol

Min

Typ

Max

Unit

Rise Times

Any Digital Input

(Note 10)

Any Digital Output

-

-

-

50

1.0

-

µs

ns

Fall Times

Any Digital Input

(Note 10)

Any Digital Output

-

-

-

50

1.0

-

µs

ns

Start-up

Oscillator Start-Up Time

XTAL = 4.096 MHz (Note 11)

-60

-

ms

E1 and E2 Timing (Note 12 and 13)

Period

500

-

ms

Pulse Width

250

-

-

ms

Rising Edge to Falling Edge

250

ms

E1 Falling Edge to E2 Falling Edge

250

-

ms

FOUT Timing (Note 12 and 13)

Period

0.10

ms

Pulse Width

(Note 14)

90

ms

FOUT low

-ms

E1

E2

FOUT

t

1

t

2

t

3

t

5

t

6

t

4

t

7

t

3

t

1

t

2

Figure 1. Timing Diagram for E1, E2 and FOUT