IDT5T2110_2 datasheet(4/24 Pages) IDT

Part #	IDT5T2110

Description	2.5V ZERO DELAY PLL DIFFERENTIAL CLOCK DRIVER TERACLOCK?

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Manufacturer	IDT [Integrated Device Technology]

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INDUSTRIALTEMPERATURERANGE

IDT5T2110

2.5VZERODELAYPLLDIFFERENTIALCLOCKDRIVER TERACLOCK

Symbol

Description

Max

Unit

VDDQ, VDD Power Supply Voltage(2)

–0.5 to +3.6

V

VI

Input Voltage

–0.5 to +3.6

V

VO

Output Voltage

–0.5 to VDDQ +0.5

V

VREF

Reference Voltage(3)

–0.5 to +3.6

V

TJ

Junction Temperature

150

°C

TSTG

Storage Temperature

–65 to +165

°C

ABSOLUTE MAXIMUM RATINGS(1)

NOTES:

1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause

permanent damage to the device. This is a stress rating only and functional operation

of the device at these or any other conditions above those indicated in the operational

sections of this specification is not implied. Exposure to absolute maximum rating

conditions for extended periods may affect reliability.

2. VDDQ and VDD internally operate independently. No power sequencing requirements

need to be met.

3. Not to exceed 3.6V.

PIN DESCRIPTION

Symbol

I/O

Type

Description

REF[1:0]

I

Adjustable(1)

Clock input. REF[1:0] is the "true" side of the differential clock input. If operating in single-ended mode, REF[1:0] is the clock input.

REF[1:0]/

I

Adjustable(1)

Complementaryclockinput. REF[1:0]/VREF[1:0] isthe"complementary"sideofREF[1:0] iftheinputisindifferentialmode. Ifoperating

VREF[1:0]

insingle-endedmode,REF[1:0]/VREF[1:0]isleftfloating. Forsingle-endedoperationindifferentialmode,REF[1:0]/VREF[1:0]shouldbeset

tothedesiredtogglevoltageforREF[1:0]:

2.5VLVTTL

VREF =1250mV(SSTL2compatible)

1.8V LVTTL, eHSTL

VREF = 900mV

HSTL

VREF = 750mV

LVEPECL

VREF = 1082mV

FB

I

Adjustable(1)

Clockinput. FBisthe"true"sideofthedifferentialfeedbackclockinput. Ifoperatinginsingle-endedmode,FBisthedifferentialfeedback

clockinput.

FB/VREF2

I

Adjustable(1)

Complementaryfeedbackclockinput. FB/VREF2isthe"complementary"sideofFBiftheinputisindifferentialmode. Ifoperatinginsingle-

endedmode,FB/VREF2isleftfloating. Forsingle-endedoperationindifferentialmode, FB/VREF2shouldbesettothedesiredtogglevoltage

for FB:

2.5VLVTTL

VREF =1250mV(SSTL2compatible)

1.8V LVTTL, eHSTL

VREF = 900mV

HSTL

VREF = 750mV

LVEPECL

VREF = 1082mV

NOTE:

1. Inputs are capable of translating the following interface standards. User can select between:

Single-ended 2.5V LVTTL levels

Single-ended 1.8V LVTTL levels

or

Differential 2.5V/1.8V LVTTL levels

Differential HSTL and eHSTL levels

Differential LVEPECL levels

Symbol

Description

Min.

Typ.

Max.

Unit

TA

AmbientOperatingTemperature

–40

+25

+85

°C

VDD(1)

InternalPowerSupplyVoltage

2.3

2.5

2.7

V

HSTL Output Power Supply Voltage

1.4

1.5

1.6

V

VDDQ(1)

Extended HSTL and 1.8V LVTTL Output Power Supply Voltage

1.65

1.8

1.95

V

2.5V LVTTL Output Power Supply Voltage

VDD

V

VT

TerminationVoltage

VDDQ / 2

V

RECOMMENDED OPERATING RANGE

NOTE:

1. All power supplies should operate in tandem. If VDD or VDDQ is at maximum, then VDDQ or VDD (respectively) should be at maximum, and vice-versa.

NOTE:

1. Capacitance applies to all inputs except RxS, TxS, nF[2:1], FBF[2:1],and DS[1:0].

CAPACITANCE(TA=+25°C,f=1MHz,VIN=0V)

Parameter

Description

Min.

Typ.

Max.

Unit

CIN

InputCapacitance

2.5

3

3.5

pF

COUT

OutputCapacitance

—

6.3

7

pF

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