ICS542

CLOCK DIVIDER

CLOCK DIVIDER

IDT™ / ICS™ CLOCK DIVIDER

4

ICS542

REV J 051310

DC Electrical Characteristics

Unless stated otherwise, VDD = 3.3 V ±5%, Ambient Temp. 0 to +70

° C (commercial), -40 to +85° C (industrial)

AC Electrical Characteristics

Unless stated otherwise, VDD = 3.3 V ±5%, Ambient Temp. 0 to +70

° C (commercial), -40 to +85° C (industrial)

Thermal Characteristics

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Units

Operating Voltage

VDD

3.0

5.5

V

Input High Voltage,

ICLK (pin 1)

VDD/2+1

VDD/2

V

Input Low Voltage

ICLK (pin 1)

VDD/2

VDD/2-1

V

Input High Voltage

S0, S1, OE

2

V

Input Low Voltage

S0, S1, OE

0.8

V

Output High Voltage

2.4

V

Output Low Voltage

0.4

V

Operating Supply Current

No Load, 5.0 V,

11 sel

11

mA

Operating Supply Current

No Load, 3.3 V,

11 sel

7mA

Short Circuit Current

±40

mA

Input Capacitance

S0, S1, OE

4

pF

Nominal Output Impedance

at VDD/2

20

Ω

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Units

Input Frequency, clock input

VDD = 5 V

0

156

MHz

Input Frequency, clock input

VDD = 3.3 V

0

156

MHz

Output Rise Time

0.8 to 2.0 V

1

ns

Output Fall Time

2.0 to 0.8 V

1

ns

Duty Cycle

at VDD/2

45

49 to 51

55

%

Skew of Output Clocks

rising edges at VDD/2

500

ps

Propagation Delay

ICLK to CLK

15

ns

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Units

Thermal Resistance Junction to

Ambient

Still air

150

° C/W

1 m/s air flow

140

° C/W

3 m/s air flow

120

° C/W

Thermal Resistance Junction to Case

40

° C/W