ICS4231-03

MDS 4231-03 A

4

Revision 110404

In te gr ated Circuit Systems

DC Electrical Characteristics

°C

Note 1: Pins X1 and X2 each have 34 pF capacitance. When used with a crystal, the total combined

capacitance as seen by the crystal is 17 pF. If driving X1 with a clock input, the load capacitance will be

34 pF.

AC Electrical Characteristics

° C, C

Note 1: Measured with 15pF load

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Units

Operating Voltage

VDD

4.5

5

5.5

V

Supply Current

IDD

No load, at 3.3V

18

32

mA

Input High Voltage

0.7VDD

V

Input Low Voltage

0.15VDD

V

Output High Voltage

2.5

V

Output Low Voltage

0.4

V

Input Capacitance

All pins except X1, X2

5

7

pF

Load Capacitance

X1, X2, as seen by the

xtal, Note 1

17

pF

Output Impedance

Rout

20

Ω

Input Pull-Up Resistor

500

K

Ω

Power-Up Time

First locked clock

cycle after Power

Good

5ms

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Units

Input Frequency

Input Clock

10

33

MHz

Output Frequency

10

33

MHz

Input Clock Duty Cycle

Time above VDD/2

40

60

%

Output Clock Duty Cycle

Note 1

45

50

55

%

Output Rise Time

0.8 to 2.4V, note 1

2

5

ns

Output Fall Time

2.4 to 0.8V, note 1

2

5

ns

Jitter

cycle-to-cycle

300

ps

Harmonic Reduction

8

dB