IDT2305(2007) Ver la hoja de datos (PDF) - Integrated Device Technology

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IDT2305
(Rev.:2007)

3.3V ZERO DELAY CLOCK BUFFER

Integrated Device Technology 

IDT2305

3.3V ZERO DELAY CLOCK BUFFER

PIN CONFIGURATION

REF

1

8

CLK2

2

7

CLK1

3

6

GND

4

5

SOIC

TOP VIEW

APPLICATIONS:

• SDRAM

• Telecom

• Datacom

• PC Motherboards/Workstations

• Critical Path Delay Designs

CLKOUT

CLK4

VDD

CLK3

COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES

ABSOLUTE MAXIMUM RATINGS(1)

Symbol

Rating

Max. Unit

VDD

Supply Voltage Range

–0.5 to +4.6 V

VI (2)

Input Voltage Range (REF) –0.5 to +5.5 V

VI

Input Voltage Range

–0.5 to

V

IIK (VI < 0)

(except REF)

Input Clamp Current

VDD+0.5

–50

mA

IO (VO = 0 to VDD) ContinuousOutputCurrent

±50

mA

VDD or GND

TA = 55°C

(in still air)(3)

Continuous Current

±100

mA

Maximum Power Dissipation

0.7

W

TSTG

StorageTemperatureRange –65 to +150 ° C

Operating

Commercial Temperature

0 to +70 ° C

Temperature

Range

Operating

Industrial Temperature

-40 to +85 ° C

Temperature

Range

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. The input and output negative-voltage ratings may be exceeded if the input and output

clamp-current ratings are observed.

3. The maximum package power dissipation is calculated using a junction temperature

of 150°C and a board trace length of 750 mils.

PIN DESCRIPTION

Pin Name

REF(1)

CLK2(2)

CLK1(2)

GND

CLK3(2)

VDD

CLK4(2)

CLKOUT(2)

Pin Number

1

2

3

4

5

6

7

8

NOTES:

1. Weak pull down.

2. Weak pull down on all outputs.

Type

IN

Out

Out

Ground

Out

PWR

Out

Out

Functional Description

Input reference clock, 5 Volt tolerant input

Output clock

Output clock

Ground

Output clock

3.3V Supply

Output clock

Output clock, internal feedback on this pin

2

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