ICS844246DI Data Sheet

FEMTOCLOCK® CRYSTAL-TO-LVDS FREQUENCY SYNTHESIZER w/FANOUT BUFFER

ICS844246DGI REVISION A NOVEMBER 28, 2012

5

©2012 Integrated Device Technology, Inc.

Table 4C. LVCMOS/LVTTL DC Characteristics, VDD = 3.3V ± 5% VDDO = 3.3V ± 5% or 2.5V ± 5%, TA = -40°C to 85°C

Table 4D. LVDS DC Characteristics, VDD = 3.3V ± 5%, VDDO = 3.3V ± 5% or 2.5V ± 5%, TA = -40°C to 85°C

Table 5. Crystal Characteristics

NOTE: Characterized using an 18pF parallel resonant crystal.

Symbol

Parameter

Test Conditions

Minimum

Typical

Maximum

Units

VIH

Input High Voltage

VDD = 3.465V

2

VDD + 0.3

V

VIL

Input Low Voltage

VDD = 3.465V

-0.3

0.8

V

IIH

Input

High Current

N_SEL[1:0],

PLL_BYPASS

VDD = VIN = 3.465V or 2.625V

5

µA

FB_SEL

VDD = VIN = 3.465V or 2.625V

150

µA

IIL

Input

Low Current

N_SEL[1:0],

PLL_BYPASS

VDD = 3.465V or 2.625V, VIN = 0V

-150

µA

FB_SEL

VDD = 3.465V or 2.625V, VIN = 0V

-5

µA

Symbol

Parameter

Test Conditions

Minimum

Typical

Maximum

Units

VOD

Differential Output Voltage

247

454

mV

V

OD

VOD Magnitude Change

100

mV

VOS

Offset Voltage

1.10

1.50

V

V

OS

VOS Magnitude Change

120

mV

Parameter

Test Conditions

Minimum

Typical

Maximum

Units

Mode of Oscillation

Fundamental

Frequency

25

33.333

MHz

Equivalent Series Resistance (ESR)

50



Shunt Capacitance

7pF