ICS650-27

NETWORKING CLOCK SOURCE

CLOCK SYNTHESIZER

IDT™ / ICS™ NETWORKING CLOCK SOURCE

5

ICS650-27

REV F 051310

DC Electrical Characteristics

Unless stated otherwise, VDD = 3.3 V ±10%, Ambient Temperature -40 to +85

° C

AC Electrical Characteristics

Unless stated otherwise, VDD = 3.3 V±10%, Ambient Temperature -40 to +85

° C

Note 1: Measured with 15 pF load

Thermal Characteristics

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Units

Operating Voltage

VDD

3.0

3.3

3.6

V

Input High Voltage

VIH

X1 pin only, CLK input

VDD/2+1

VDD/2

V

Input Low Voltage

VIL

X1 pin only, CLK input

VDD/2

VDD/2-1

V

Input High Voltage

VIH

all tri-level type inputs

VDD-0.5

V

Input Low Voltage

VIL

all tri-level type inputs

0.5

V

Input High Voltage

VIH

all other inputs

2

V

Input Low Voltage

VIL

all other inputs

0.8

V

Output High Voltage

VOH

IOH = -25 mA

2.4

V

Output Low Voltage

VOL

IOL = 25mA

0.8

V

Output High Voltage, CMOS level

VOH

IOH = -8 mA

VDD-0.4

V

Operating Supply Current

IDD

No Load

50

mA

Short Circuit Current

IOS

Each output

±50

mA

Internal pull-up resistor

RPU

BCS1, OE pins

510

k

Ω

ACSI pin

120

k

Ω

Nominal output impedance

ZOUT

20

Ω

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Units

Input Frequency

10

12.5 or

25

27

MHz

Output Rise Time

tOR

0.8 to 2.0 V, Note 1

1.5

ns

Output Fall Time

tOF

2.0 to 0.8 V, Note 1

1.5

ns

Output Clock Duty Cycle

At VDD/2, Note 1

40

50

60

%

Frequency Error

All clocks

0

ppm

Absolute Jitter, short term

Variation from mean,

Note 1

±150

ps

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Units

Thermal Resistance Junction to Ambient

θJA

Still air

135

° C/W

θJA

1 m/s air flow

93

° C/W

θJA

3 m/s air flow

78

° C/W

Thermal Resistance Junction to Case

θJC

60

° C/W