ICS345

TRIPLE PLL FIELD PROGRAMMABLE SS VERSACLOCK SYNTHESIZER

EPROM CLOCK SYNTHESIZER

IDT™ / ICS™ TRIPLE PLL FIELD PROGRAMMABLE SS VERSACLOCK SYNTHESIZER 5

ICS345

REV K 110207

Recommended Operation Conditions

DC Electrical Characteristics

Unless stated otherwise, VDD = 3.3 V ±5%, Ambient Temperature -40 to +85

° C

Note 1: Example with 25 MHz crystal input with nine outputs of 33.3 MHz, no load, and VDD = 3.3 V.

Parameter

Min.

Typ.

Max.

Units

Ambient Operating Temperature (ICS345RP)

0

+70

° C

Ambient Operating Temperature (ICS345RIP)

-40

+85

° C

Power Supply Voltage (measured in respect to GND)

+3.15

+3.3

+3.45

V

Power Supply Ramp Time

4

ms

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Units

Operating Voltage

VDD

3.15

3.45

V

Operating Supply Current

Input High Voltage

IDD

Configuration Dependent -

Estimates

mA

Nine 33.3333 MHz outs,

PDTS = 1, no load, Note 1

23

mA

PDTS = 0, no load, Note 1

20

µA

Input High Voltage

S2:S0

2

V

Input Low Voltage

S2:S0

0.4

V

Input High Voltage, PDTS

VDD-0.5

V

Input Low Voltage, PDTS

0.4

V

Input High Voltage

ICLK

VDD/2+1

V

Input Low Voltage

ICLK

VDD/2-1

V

Output High Voltage

(CMOS High)

VDD-0.4

V

Output High Voltage

2.4

V

Output Low Voltage

0.4

V

Short Circuit Current

±70

mA

Nominal Output

Impedance

20

Ω

Internal Pull-up Resistor

S2:S0, PDTS

250

k

Ω

Internal Pull-down

Resistor

CLK outputs

525

k

Ω

Input Capacitance

Inputs

4

pF