49FCT3805QG Integrated Device Technology (Idt), 49FCT3805QG Datasheet

49FCT3805QG

Manufacturer Part Number

49FCT3805QG

Description

Clock Buffer 10-OUT 20-Pin QSOP Tube

Manufacturer

Integrated Device Technology (Idt)

Datasheet

1.49FCT3805APYG.pdf (7 pages)

Specifications of 49FCT3805QG

Package

20QSOP

Number Of Outputs Per Chip

Maximum Propagation Delay Time @ Maximum Cl

5.8@3.3V ns

Operating Supply Voltage

3.3 V

Lead Free Status / Rohs Status

RoHS Compliant part Electrostatic Device

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The IDT logo is a registered trademark of Integrated Device Technology, Inc.

FEATURES:

• 0.5 MICRON CMOS Technology

• Guaranteed low skew < 500ps (max.)

• Very low duty cycle distortion < 1.0ns (max.)

• Very low CMOS power levels

• TTL compatible inputs and outputs

• Inputs can be driven from 3.3V or 5V components

• Two independent output banks with 3-state control

• 1:5 fanout per bank

• "Heartbeat" monitor output

• V

• Available in SSOP, SOIC, and QSOP packages

COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGE

FUNCTIONAL BLOCK DIAGRAM

IDT49FCT3805/A

3.3V CMOS BUFFER/CLOCK DRIVER

2005 Integrated Device Technology, Inc.

= 3.3V ± 0.3V

3.3V CMOS

BUFFER/CLOCK DRIVER

O A

O B

M ON

- O A

- O B

DESCRIPTION:

advanced dual metal CMOS technology. The device consists of two banks

of drivers, each with a 1:5 fanout and its own output enable control. The

device has a "heartbeat" monitor for diagnostics and PLL driving. The

MON output is identical to all other outputs and complies with the output

specifications in this document. The FCT3805 offers low capacitance inputs

with hysteresis.

quality and skew are critical. The FCT3805 also allows single point-to-

point transmission line driving in applications such as address distribution,

where one signal must be distributed to multiple recievers with low skew

and high signal quality.

frequencies on bank A and B, please see AN-236.

PIN CONFIGURATION

The FCT3805 is a 3.3 volt, non-inverting clock driver built using

The FCT3805 is designed for high speed clock distribution where signal

For more information on using the FCT3805 with two different input

COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGE

GND

CCA

SOIC/ SSOP/ QSOP

TOP VIEW

IDT49FCT3805/A

GND

MON

MAY 2010

CCB

DSC-3102/6

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49FCT3805QG Summary of contents

Page 1

IDT49FCT3805/A 3.3V CMOS BUFFER/CLOCK DRIVER FEATURES: • 0.5 MICRON CMOS Technology • Guaranteed low skew < 500ps (max.) • Very low duty cycle distortion < 1.0ns (max.) • Very low CMOS power levels • TTL compatible inputs and outputs • ...

Page 2

IDT49FCT3805/A 3.3V CMOS BUFFER/CLOCK DRIVER ABSOLUTE MAXIMUM RATINGS Symbol Description TERM (2) V Terminal Voltage with Respect to GND TERM (3) V Terminal Voltage with Respect to GND TERM (4) V Terminal Voltage with Respect to GND T Storage Temperature ...

Page 3

IDT49FCT3805/A 3.3V CMOS BUFFER/CLOCK DRIVER DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE Following Conditions Apply Unless Otherwise Specified Commercial 0°C to +70°C, Industrial Symbol Parameter V Input HIGH Level (Input pins) IH Input HIGH Level (I/O pins) ...

Page 4

IDT49FCT3805/A 3.3V CMOS BUFFER/CLOCK DRIVER POWER SUPPLY CHARACTERISTICS Symbol Parameter ∆I Quiescent Power Supply Current CC TTL Inputs HIGH I Dynamic Power Supply Current CCD I Total Power Supply Current C NOTES: 1. For conditions shown as Max. or Min., ...

Page 5

IDT49FCT3805/A 3.3V CMOS BUFFER/CLOCK DRIVER SWITCHING CHARACTERISTICS OVER OPERATING RANGE - COMMERCIAL Symbol Parameter t Propagation Delay PLH OAn OBn PHL Output Rise Time R t Output Fall Time F t Output ...

Page 6

IDT49FCT3805/A 3.3V CMOS BUFFER/CLOCK DRIVER TEST CIRCUITS AND WAVEFORMS Pulse D.U.T. Generator R T Test Circuits for All Outputs INPUT t PLH OUTPUT t R Package Delay INPUT t PLH OUTPUT ...

Page 7

IDT49FCT3805/A 3.3V CMOS BUFFER/CLOCK DRIVER ORDERING INFORMATION XXXX IDT49FCT Device Type Package CORPORATE HEADQUARTERS 6024 Silver Creek Valley Road San Jose, CA 95138 COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGE X X Package Blank I SO SOG PY PYG Q QG 3805 ...

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