MDS 728 B

5

Revision 012505

www.ics t.co m

ICS728

DC Electrical Characteristics

VDD=3.3 V ±5% , Ambient temperature 0 to +70

°C, unless stated otherwise

AC Electrical Characteristics

VDD = 3.3 V ±5%, Ambient Temperature 0 to +70

° C, unless stated otherwise

Note 1: External crystal device must conform with Pullable Crystal Specifications listed on page 3.

Thermal Characteristics

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Units

Operating Voltage

VDD

3.15

3.45

V

Output High Voltage

2.4

V

Output Low Voltage

0.4

V

Output High Voltage (CMOS

Level)

VDD-0.4

V

Operating Supply Current

IDD

Output = 27 MHz,

no load

12

mA

Short Circuit Current

±50

mA

VIN, VCXO Control Voltage

03.3

V

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Units

Output Frequency

27

MHz

Crystal Pullability

0V< VIN < 3.3 V, Note 1

+ 110

ppm

VCXO Gain

VIN = VDD/2 +1 V, Note 1

120

ppm/V

Output Rise Time

1.5

ns

Output Fall Time

1.5

ns

Output Clock Duty Cycle

40

50

60

%

Maximum Output Jitter,

short term

100

ps

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Units

Thermal Resistance Junction to

Ambient

θ

JA

Still air

150

°C/W

θ

JA

1 m/s air flow

140

°C/W

θ

JA

3 m/s air flow

120

°C/W

Thermal Resistance Junction to Case

θ

JC

40

°C/W