ICS309 datasheet(6/8 Pages) ICST

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SERIAL PROGRAMMABLE TRIPLE PLL SS VERSACLOCK SYNTHESIZER

MDS 309 G

Revision 122704

In te gr ated Circuit Systems ● 525 Ra ce Street, San Jose, CA 9512 6 ● tel (4 08) 297 -1 201 ● www.icst.com

ICS309

DC Electrical Characteristics

VDD=3.3 V ±10%, Ambient temperature -40 to +85°C, unless stated otherwise

AC Electrical Characteristics

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

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Units

Operating Voltage

VDD

3.00

3.60

Operating Supply Current

Input High Voltage

IDD

Configuration

Dependent - See

VersaClockTM

Estimates

Ex. 25 MHz crystal,

VDD=3.3V, No load,

9 - 33.3333 MHz outs,

PDTS = 1

PDTS = 0

µA

Input High Voltage

VIH

X1/ICLK only

(VDD/2)+1

Input Low Voltage

VIL

X1/ICLK only

(VDD/2)-1

Input High Voltage

VIH

VDD-0.5

Input Low Voltage

VIL

PDTS, SCLK, DATA,

STROBE

0.8

Output High Voltage

VOH

IOH = -8 mA

2.4

Output Low Voltage

VOL

IOL = 8 mA

0.4

Output High Voltage,

CMOS level

VOH

IOH = -4 mA

VDD-0.4

Short Circuit Current

CLK outputs

+70

Input Capacitance

CIN

PDTS pin

Internal pull-down resistor

RPD

CLK outputs

525

Ω

Internal Pull-up Resistor

RPU

PDTS pin

250

Ω

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Units

Input Frequency

FIN

Fundamental crystal

MHz

Input Clock

MHz

Output Frequency

VDD=3.3 V

0.25

200

MHz

Output Clock Rise Time

tOR

20% to 80%, Note 1

0.8

Output Clock Fall Time

tOF

80% to 20%, Note 1

0.8

Output Clock Duty Cycle

Note 2

49-51

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