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ICS844256

FEMTOCLOCKS™ CRYSTAL-TO-LVDS FREQUENCY SYNTHESIZER W/INTEGRATED FANOUT BUFFER

Integrated Device Technology 

ICS844256

FEMTOCLOCKS™ CRYSTAL-TO-LVDS FREQUENCY SYNTHESIZER W/INTEGRATED FANOUT BUFFER PRELIMINARY

TABLE 4D. LVDS DC CHARACTERISTICS, VDD = VDDO = 3.3V±5% TA = 0°C TO 70°C

Symbol Parameter

Test Conditions

Minimum

VOD

Differential Output Voltage

Δ VOD

VOD Magnitude Change

VOS

Offset Voltage

Δ VOS

VOS Magnitude Change

NOTE: Please refer to Parameter Measurement Information for output information.

Typical

350

40

1.25

50

Maximum

Units

mV

mV

V

mV

TABLE 4E. LVDS DC CHARACTERISTICS, VDD = 3.3V±5%, VDDO = 2.5V±5%, TA = 0°C TO 70°C

Symbol Parameter

Test Conditions

Minimum Typical

VOD

Δ VOD

VOS

Δ VOS

Differential Output Voltage

VOD Magnitude Change

Offset Voltage

VOS Magnitude Change

350

40

1.25

50

Maximum

Units

mV

mV

V

mV

TABLE 5. CRYSTAL CHARACTERISTICS

Parameter

Mode of Oscillation

Frequency

Test Conditions

Equivalent Series Resistance (ESR)

Shunt Capacitance

Drive Level

NOTE: Characterized using an 18pF parallel resonant crystal.

Minimum Typical Maximum Units

Fundamental

15.625

25.5

MHz

50

Ω

7

pF

1

mW

IDT™ / ICS™ LVDS FREQUENCY SYNTHESIZER W/FANOUT BUFFER 5

ICS844256BG REV. B NOVEMBER 19, 2007

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