49FCT3805BPYGI8中文资料应用文章市场行情现货热卖使用介绍-中国IC网-芯三七

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

1

2

VCCB

OB1

20

19

OEA

5

OA¹- OA5

INA

3

4

18

17

OB2

OB3

OA3

GNDA

GNDB

OB4

16

15

14

13

12

11

5

6

OA4

OA5

5

INB

OB1 - OB5

MON

OB5

7

OEB

GNDQ

OEA

INA

MON

OEB

8

9

INB

10

SOIC/ SSOP/ QSOP

TOP VIEW

TheIDTlogoisaregisteredtrademarkofIntegratedDeviceTechnology,Inc.

COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGE

MAY 2010

1

c

2005 Integrated Device Technology, Inc.

DSC 6879/-

IDT49FCT3805B

3.3VCMOSBUFFER/CLOCKDRIVER

COMMERCIALANDINDUSTRIALTEMPERATURERANGE

ABSOLUTEMAXIMUMRATINGS⁽¹⁾

PINDESCRIPTION

Symbol

Description

Max

Unit

V

Pin Names

OEA, OEB

INA, INB

Description

3-StateOutputEnableInputs(ActiveLOW)

ClockInputs

(2)

VTERM

TerminalVoltagewithRespecttoGND

–0.5to+4.6

–0.5 to +7

(3)

VTERM

V

(4)

VTERM

TerminalVoltagewithRespecttoGND –0.5toVCC+0.5

V

OAn, OBn

MON

ClockOutputs

TSTG

IOUT

StorageTemperature

DCOutputCurrent

–65to+150

–60to+60

°C

mA

MonitorOutput

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. VCC terminals.

FUNCTION TABLE⁽¹⁾

Inputs

Outputs

OEA, OEB

INA, INB

OAn, OBn

MON

L

H

L

H

Z

L

H

L

3. Input terminals.

4. Outputs and I/O terminals.

H

CAPACITANCE (TA = +25^OC, f = 1.0MHz)

NOTE:

1. H = HIGH

L = LOW

Symbol

CIN

Parameter⁽¹⁾

Conditions Typ.

Max. Unit

Z = High-Impedance

InputCapacitance

OutputCapacitance

VIN = 0V

4.5

5.5

6

8

pF

COUT

VOUT = 0V

NOTE:

1. This parameter is measured at characterization but not tested.

2

IDT49FCT3805B

COMMERCIALANDINDUSTRIALTEMPERATURERANGE

3.3VCMOSBUFFER/CLOCKDRIVER

DCELECTRICALCHARACTERISTICSOVEROPERATINGRANGE

FollowingConditionsApplyUnlessOtherwiseSpecified

Commercial: TA = 0°C to +70°C, Industrial: TA = -40°C to +85°C, VCC = 3.3V ± 0.3V

Symbol

Parameter

TestConditions⁽¹⁾

Min.

2

Typ.

—

Max.

Unit

VIH

Input HIGH Level (Input pins)

Input HIGH Level (I/O pins)

Input LOW Level (Input and I/O pins)

Input HIGH Current (Input pins)

Input HIGH Current (I/O pins)

InputLOWCurrent(Inputpins)

Input LOW Current (I/O pins)

HighImpedenceOutputCurrent

(3-StateOutputPins)

Guaranteed Logic HIGH Level

5.5

V

2

—

VCC + 0.5

VIL

IIH

GuaranteedLogicLOWLevel

VCC = Max.

–0.5

—

0.8

1

V

VI = 5.5V

VI = VCC

—

1

µA

IIL

VCC = Max.

VI = GND

VO = VCC

VO = GND

—

1

—

1

IOZH

IOZL

VIK

VCC = Max.

—

1

µA

—

1

ClampDiodeVoltage

VCC = Min., IIN = –18mA

—

–0.7

–60

90

–1.2

–110

200

—

V

IODH

IODL

VOH

Output HIGH Current

VCC = 3.3V, VIN = VIH or VIL, VO = 1.5V⁽³⁾

–36

50

mA

OutputLOWCurrent

Output HIGH Voltage

VCC = Min.

IOH = –0.1mA

IOH = –8mA

IOL = 0.1mA

IOL = 16mA

IOL = 24mA

VCC–0.2

2.4⁽⁵⁾

—

VIN = VIH or VIL

VCC = Min.

3

—

V

VOL

OutputLOWVoltage

—

0.2

0.4

0.5

1

VIN = VIH or VIL

—

0.2

0.3

—

IOFF

IOS

InputPowerOffLeakage

ShortCircuitCurrent⁽⁴⁾

InputHysteresis

VCC = 0V, VIN = 4.5V

VCC = Max., VO = GND⁽³⁾

—

µA

mA

mV

µA

–60

—

–135

150

0.1

–240

—

VH

ICCL

ICCH

Quiescent Power Supply Current

VCC = Max.

—

10

VIN = GND or VCC

ICCZ

NOTES:

1. For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for the applicable device type.

2. Typical values are at Vcc = 3.3V, +25°C ambient.

3. Not more than one output should be shorted at one time. Duration of the test should not exceed one second.

4. This parameter is guaranteed but not tested.

5. VOH = Vcc - 0.6V at rated current.

3

IDT49FCT3805B

3.3VCMOSBUFFER/CLOCKDRIVER

COMMERCIALANDINDUSTRIALTEMPERATURERANGE

POWERSUPPLYCHARACTERISTICS

Symbol

Parameter

TestConditions⁽¹⁾

Min.

Typ.⁽²⁾

Max.

Unit

∆ICC

Quiescent Power Supply Current

VCC = Max.

VIN = VCC –0.6V⁽³⁾

—

10

30

µA

TTL Inputs HIGH

ICCD

Dynamic Power Supply Current⁽⁴⁾

VCC = Max.

VIN = VCC

—

0.035

0.06

mA/MHz

OutputsOpen

VIN = GND

OEA = OEB = GND

PerOutputToggling

50% Duty Cycle

VCC = Max.

IC

TotalPowerSupplyCurrent⁽⁶⁾

VIN = VCC

—

0.9

20

1.6

OutputsOpen

VIN = GND

fO = 25MHz

50% Duty Cycle

OEA = OEB = VCC

Mon.OutputToggling

VCC = Max.

VIN = VCC –0.6V

VIN = GND

VIN = VCC

33⁽⁵⁾

mA

OutputsOpen

VIN = GND

fO = 50MHz

50% Duty Cycle

OEA = OEB = GND

ElevenOutputsToggling

VIN = VCC –0.6V

VIN = GND

20

NOTES:

1. For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for the applicable device type.

2. Typical values are at VCC = 3.3V, +25°C ambient.

3. Per TTL driven input (VIN = VCC -0.6V); all other inputs at VCC or GND.

4. This parameter is not directly testable, but is derived for use in Total Power Supply calculations.

5. Values for these conditions are examples of the IC formula. These limits are guaranteed but not tested.

6. IC = IQUIESCENT + IINPUTS + IDYNAMIC

IC = ICC + ∆ICC DHNT + ICCD (fONO)

ICC = Quiescent Current (ICCL, ICCH and ICCZ)

∆ICC = Power Supply Current for a TTL High Input (VIN = VCC -0.6V)

DH = Duty Cycle for TTL Inputs High

NT = Number of TTL Inputs at DH

ICCD = Dynamic Current Caused by an Input Transition Pair (HLH or LHL)

fO = Output Frequency

NO = Number of Outputs at fO

All currents are in milliamps and all frequencies are in megahertz.

4

IDT49FCT3805B

COMMERCIALANDINDUSTRIALTEMPERATURERANGE

3.3VCMOSBUFFER/CLOCKDRIVER

SWITCHINGCHARACTERISTICSOVEROPERATINGRANGE^(3,4)

Commercial

Industrial

(2)

Symbol Parameter

Conditions⁽¹⁾

CL = 50pF

Min.

Max.

Unit

tPLH

tPHL

tR

PropagationDelay

1.5

5

1.5

5.2

ns

INA to OAn, INB to OBn

RL = 500Ω

OutputRiseTime

—

2

—

2

ns

tF

OutputFallTime

tSK(O)

Outputskew:skewbetweenoutputsofallbanksof

samepackage(inputstiedtogether)

Pulseskew:skewbetweenoppositetransitions

ofsameoutput(|tPHL-–tPLH|)

0.5

0.6

tSK(P)

tSK(T)

—

1

—

1

ns

Packageskew:skewbetweenoutputsofdifferent

packagesatsamepowersupplyvoltage,

temperature,packagetypeandspeedgrade

OutputEnableTime

1.2

tPZL

tPZH

tPLZ

tPHZ

1.5

6

5

1.5

6

5

ns

OEA to OAn, OEB to OBn

OutputDisableTime

OEA to OAn, OEB to OBn

NOTES:

1. See test circuits and waveforms.

2. Minimum limits are guaranteed but not tested on Propagation Delays.

3. tPLH, tPHL, tSK(t) are production tested. All other parameters guaranteed but not production tested.

4. Propagation delay range indicated by Min. and Max. limit is due to VCC, operating temperature and process parameters. These propagation delay limits do not imply skew.

5

IDT49FCT3805B

3.3VCMOSBUFFER/CLOCKDRIVER

COMMERCIALANDINDUSTRIALTEMPERATURERANGE

TESTCIRCUITSANDWAVEFORMS

SWITCHPOSITION

Test

Switch

6V

VCC

Disable LOW

Enable LOW

6V

GND

Disable HIGH

Enable HIGH

GND

500

VOUT

VIN

DEFINITIONS:

CL = Load capacitance: includes jig and probe capacitance.

RT = Termination resistance: should be equal to ZOUT of the Pulse Generator.

Pulse

Generator

D.U.T.

50pF

RT

Test Circuits for All Outputs

3V

1.5V

0V

INPUT

1.5V

0V

tPLH1

tPHL1

INPUT

VOH

1.5V

VOL

tPLH

tPHL

OUTPUT 1

OUTPUT 2

VOH

1.5V

VOL

2.0V

0.8V

tSK(o)

VOH

1.5V

VOL

OUTPUT

tPLH2

tF

tPHL2

tR

tSK(o) = |tPLH2 - tPLH1| or |tPHL2 - tPHL1|

Package Delay

Output Skew - tSK(O)

3V

1.5V

0V

3V

INPUT

1.5V

0V

tPHL

tPLH

VOH

1.5V

VOL

tPHL1

tPLH1

VOH

1.5V

VOL

PACKAGE 1

OUTPUT

tSK(t)

tSK(p) = |tPHL - tPLH|

tSK(t)

VOH

1.5V

VOL

PACKAGE 2

OUTPUT

Pulse Skew - tSK(P)

tPLH2

tPHL2

tSK(t) = |tPLH2 - tPLH1| or |tPHL2 - tPHL1|

ENABLE

DISABLE

3V

Package Skew - tSK(T)

CONTROL

INPUT

1.5V

0V

tPZL

tPLZ

3.5V

1.5V

3.5V

V_OL

OUTPUT

NORMALLY

LOW

SWITCH

CLOSED

0.3V

tPHZ

tPZH

OUTPUT

NORMALLY

HIGH

0.3V V_OH

0V

SWITCH

OPEN

1.5V

0V

NOTES:

1. Diagram shown for input Control Enable-LOW and input Control Disable-HIGH

2. Pulse Generator for All Pulses: f ≤1.0MHz; tF ≤2.5ns; tR ≤2.5ns

Output Skew - tSK(X)

6

IDT49FCT3805B

COMMERCIALANDINDUSTRIALTEMPERATURERANGE

3.3VCMOSBUFFER/CLOCKDRIVER

ORDERINGINFORMATION

XXXX

X

IDT49FCT

Device Type

Package

Blank

I

Commercial (0°C to +70°C)

Industrial (-40°C to +85°C)

Small Outline IC

SOIC - Green

Shrink Small Outline IC

SSOP - Green

SO

SOG

PY

PYG

Quarter-size Small Outline IC

QSOP - Green

Q

QG

3805B

Non-Inverting 3.3V Buffer/Clock Driver

CORPORATE HEADQUARTERS

6024 Silver Creek Valley Road

San Jose, CA 95138

for SALES:

800-345-7015 or 408-284-8200

fax: 408-284-2775

for Tech Support:

clockhelp@idt.com

www.idt.com

7

型号:	49FCT3805DPYGI
Brand Name：	Integrated Device Technology
是否无铅：	不含铅
是否Rohs认证：	符合
生命周期：	Transferred
IHS 制造商：	INTEGRATED DEVICE TECHNOLOGY INC
零件包装代码：	SSOP
包装说明：	SOP, SSOP20,.3
针数：	20
制造商包装代码：	PYG20
Reach Compliance Code：	compliant
ECCN代码：	EAR99
HTS代码：	8542.39.00.01
风险等级：	2.91
Samacsys Description：	SSOP 5.3 MM
系列：	FCT
输入调节：	STANDARD
JESD-30 代码：	R-PDSO-G20
JESD-609代码：	e3
逻辑集成电路类型：	LOW SKEW CLOCK DRIVER
最大I（ol）：	0.012 A
湿度敏感等级：	1
功能数量：	2
反相输出次数：
端子数量：	20
实输出次数：	5
最高工作温度：	85 °C
最低工作温度：	-40 °C
输出特性：	3-STATE
封装主体材料：	PLASTIC/EPOXY
封装代码：	SOP
封装等效代码：	SSOP20,.3
封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE
峰值回流温度（摄氏度）：	260
电源：	3.3 V
Prop。Delay @ Nom-Sup：	3 ns
传播延迟（tpd）：	3 ns
认证状态：	Not Qualified
Same Edge Skew-Max（tskwd）：	0.27 ns
子类别：	Clock Drivers
最大供电电压 (Vsup)：	3.6 V
最小供电电压 (Vsup)：	3 V
标称供电电压 (Vsup)：	3.3 V
表面贴装：	YES
技术：	CMOS
温度等级：	INDUSTRIAL
端子面层：	Matte Tin (Sn) - annealed
端子形式：	GULL WING
端子节距：	0.635 mm
端子位置：	DUAL
处于峰值回流温度下的最长时间：	30

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