Datasheet > 49FCT3805B

49FCT3805B

更新时间： 2024-11-08 14:57:55

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瑞萨 - RENESAS		/
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8页	224K
描述
3.3V CMOS Buffer/Clock Driver

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49FCT3805B 数据手册

IDT49FCT3805B

COMMERCIALANDINDUSTRIALTEMPERATURERANGE

3.3VCMOSBUFFER/CLOCKDRIVER

3.3V CMOS

BUFFER/CLOCK DRIVER

IDT49FCT3805B

DESCRIPTION:

FEATURES:

The FCT3805B is a 3.3 volt, non-inverting clock driver built using

advanceddualmetalCMOStechnology. Thedeviceconsistsoftwobanks

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 FCT3805B offers low capacitance

inputs with hysteresis.

• 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

• VCC = 3.3V ± 0.3V

The FCT3805B is designed for high speed clock distribution where

signal quality and skew are critical. The FCT3805B also allows single

point-to-point transmission line driving in applications such as address

distribution, whereonesignalmustbedistributedtomultiplerecieverswith

low skew and high signal quality.

• Available in SSOP, SOIC, and QSOP packages

For more information on using the FCT3805B with two different input

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

FUNCTIONALBLOCKDIAGRAM

PINCONFIGURATION

VCCA

OA1

OA2

VCCB

OB1

OEA

OA¹- OA5

INA

OB2

OB3

OA3

GNDA

GNDB

OB4

OA4

OA5

INB

OB1 - OB5

MON

OB5

OEB

GNDQ

OEA

INA

MON

OEB

INB

SOIC/ SSOP/ QSOP

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TheIDTlogoisaregisteredtrademarkofIntegratedDeviceTechnology,Inc.

COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGE

MAY 2010

2005 Integrated Device Technology, Inc.

DSC 6879/-

12 3 4 5 6 7 8

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