74FCT166244ATPA [IDT]

Bus Driver, FCT Series, 4-Func, 4-Bit, True Output, CMOS, PDSO48, TSSOP-48;


型号：	74FCT166244ATPA
厂家：	INTEGRATED DEVICE TECHNOLOGY
描述：	Bus Driver, FCT Series, 4-Func, 4-Bit, True Output, CMOS, PDSO48, TSSOP-48 光电二极管
文件：	总6页 (文件大小：66K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

IDT74FCT166244AT/CT

FASTCMOS16-BITBUFFER/LINEDRIVER

INDUSTRIALTEMPERATURERANGE

IDT74FCT166244AT/CT

FAST CMOS 16-BIT

BUFFER/LINE DRIVER

DESCRIPTION:

FEATURES:

The FCT166244T 16-Bit Buffer/Line Driver is for bus interface or signal

bufferingapplicationsrequiringhighspeedandlowpowerdissipation. These

deviceshaveaflowthroughpinorganization,andshrinkpackagingtosimplify

board layout. All inputs are designed with hysteresis for improved noise

margin. Thethree-statecontrolsallowindependent4-bit,8-bitorcombined16-

bit operation. These parts are plug in replacements for ABT16244 where

higher speed, lower noise or lower power dissipation levels are desired.

The FCT166244T is suited for very low noise, point-to-point driving

where there is a single receiver, or a very light lumped load (<100pF). The

buffersaredesignedtolimittheoutputcurrenttolevelswhichwillavoidnoise

and ringing on the signal lines without using external series terminating

resistors.

• 0.5 MICRON CMOS Technology

• High-speed, low-power CMOS replacement for ABT functions

• Typical tSK(o) (Output Skew) < 250ps

• Low input and output leakage ≤1µA (max.)

• Light drive balanced output of ±8mA

• Minimal system switching noise

• Typical VOLP (Output Ground Bounce) < 0.25V at VCC = 5V,

TA = 25°C

• Power off disable outputs permit “live insertion”

• Available in SSOP and TSSOP packages

FUNCTIONALBLOCKDIAGRAM

1OE

3OE

1Y1

1A1

1A2

3A1

3A2

3Y1

3Y2

1Y2

1Y3

3A3

3A4

1A3

1A4

3Y3

3Y4

1Y4

2OE

4OE

2Y1

4A1

4A2

4A3

2A1

2A2

4Y1

4Y2

2Y2

2Y3

2Y4

2A3

2A4

4Y3

4Y4

4A4

TheIDTlogoisaregisteredtrademarkofIntegratedDeviceTechnology,Inc.

INDUSTRIAL TEMPERATURE RANGE

JUNE 2002

2002 Integrated Device Technology, Inc.

DSC-5462/2

IDT74FCT166244AT/CT

FASTCMOS16-BITBUFFER/LINEDRIVER

INDUSTRIALTEMPERATURERANGE

ABSOLUTE MAXIMUM RATINGS⁽¹⁾

PINCONFIGURATION

Symbol

Description

Max

Unit

(2)

VTERM

Terminal Voltage with Respect to GND

–0.5 to +7

1OE

1Y1

2OE

1A1

(3)

VTERM

Terminal Voltage with Respect to GND –0.5 to VCC+0.5

TSTG

IOUT

Storage Temperature

DC Output Current

–65 to +150

–60 to +120

°C

1Y2

1A2

NOTES:

GND

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.

1Y3

1A3

1Y4

1A4

2. All device terminals except FCT162XXX Output and I/O terminals.

3. Output and I/O terminals for FCT162XXX.

VCC

2Y1

2A1

2A2

2Y2

GND

CAPACITANCE (TA = +25°C, F = 1.0MHz)

2A3

2A4

3A1

2Y3

2Y4

3Y1

Symbol

Parameter⁽¹⁾

Conditions

Typ.

Max. Unit

CIN

Input Capacitance

Output Capacitance

VIN = 0V

3.5

COUT

VOUT = 0V

3.5

NOTE:

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

3A2

3Y2

GND

3A3

3Y3

3Y4

VCC

3A4

PINDESCRIPTION

VCC

Pin Names

Description

3-StateOutputEnableInputs(ActiveLOW)

DataInputs

xOE

xAx

4A1

4Y1

4A2

4Y2

xYx

3-StateOutputs

GND

4A3

4A4

4Y3

4Y4

FUNCTIONTABLE⁽¹⁾

4OE

3OE

Inputs

Outputs

xOE

xAx

xYx

SSOP/ TSSOP

TOP VIEW

NOTE:

1. H = HIGH Voltage Level

L = LOW Voltage Level

X = Don't Care

Z = High-Impedance

IDT74FCT166244AT/CT

FASTCMOS16-BITBUFFER/LINEDRIVER

INDUSTRIALTEMPERATURERANGE

DCELECTRICALCHARACTERISTICSOVEROPERATINGRANGE

FollowingConditionsApplyUnlessOtherwiseSpecified:

Industrial: TA = –40°C to +85°C, VCC = 5.0V ±10%

Symbol

VIH

Parameter

Input HIGH Level

Test Conditions⁽¹⁾

Guaranteed Logic HIGH Level

Min.

Typ.⁽²⁾

—

Max.

—

Unit

VIL

InputLOWLevel

GuaranteedLogicLOWLevel

VCC = Max.

—

–80

—

0.8

±1

IIH

InputHIGHCurrent(Inputpins)⁽⁵⁾

Input HIGH Current (I/O pins)⁽⁵⁾

InputLOWCurrent(Inputpins)⁽⁵⁾

InputLOWCurrent(I/Opins)⁽⁵⁾

HighImpedanceOutputCurrent

(3-StateOutputpins)⁽⁵⁾

VI = VCC

—

µA

—

±1

IIL

VI = GND

—

±1

—

±1

IOZH

IOZL

VIK

VCC = Max.

VO = 2.7V

VO = 0.5V

—

±1

µA

—

±1

ClampDiodeVoltage

VCC = Min., IIN = –18mA

VCC = Max., VO = GND⁽³⁾

–0.7

–140

100

–1.2

–250

—

IOS

ShortCircuitCurrent

µA

InputHysteresis

—

ICCL

ICCH

ICCZ

Quiescent Power Supply Current

VCC = Max.

VIN = GND or VCC

500

OUTPUTDRIVECHARACTERISTICS

Symbol

Parameter

OutputLOWCurrent

Output HIGH Current

Output HIGH Voltage

Test Conditions⁽¹⁾

VCC = 5V, VIN = VIH or VIL, VO = 1.5V⁽³⁾

Min.

Typ.⁽²⁾Max.

Unit

IODL

–16

2.4

–48

3.3

–96

—

IODL

VOH

VCC = Min.

IOH = –8mA

VIN = VIH or VIL

VCC = Min.

VOH

OutputLOWVoltage

IOL = 8mA

—

0.3

0.55

VIN = VIH or VIL

NOTES:

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

2. Typical values are at VCC = 5.0V, +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. Duration of the condition can not exceed one second.

5. The test limit for this parameter is ±5µA at TA = -55°C.

IDT74FCT166244AT/CT

FASTCMOS16-BITBUFFER/LINEDRIVER

INDUSTRIALTEMPERATURERANGE

POWERSUPPLYCHARACTERISTICS

Symbol

Parameter

Quiescent Power Supply

TestConditions⁽¹⁾

Min.

Typ.⁽²⁾

Max.

Unit

∆ICC

VCC = Max.

VIN = 3.4V⁽³⁾

—

0.5

1.5

Current TTL Inputs HIGH

Dynamic Power Supply Current⁽⁴⁾

ICCD

VCC = Max.,

VIN = VCC

—

100

µA/

OutputsOpen

VIN = GND

MHz

xOE = GND

OneInputToggling

50% Duty Cycle

VCC = Max.,

TotalPowerSupplyCurrent⁽⁶⁾

VIN = VCC

VIN = GND

—

0.6

0.9

2.4

6.4

1.5

2.3

OutputsOpen

fCP = 10MHz (CLKBA)

50% Duty Cycle

xOE = GND

VIN = 3.4V

VIN = GND

OneBitToggling

VCC = Max.,

OutputsOpen

fi = 2.5MHz

50% Duty Cycle

xOE = GND

VIN = VCC

VIN = GND

4.5⁽⁵⁾

16.5⁽⁵⁾

VIN = 3.4V

VIN = GND

SixteenBitsToggling

NOTES:

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

2. Typical values are at VCC = 5.0V, +25°C ambient.

3. Per TTL driven input (VIN = 3.4V). 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 ICC formula. These limits are guaranteed but not tested.

6. IC = IQUIESCENT + IINPUTS + IDYNAMIC

IC = ICC + ∆ICC DHNT + ICCD (fCPNCP/2 + fiNi)

ICC = Quiescent Current (ICCL, ICCH and ICCZ)

∆ICC = Power Supply Current for a TTL High Input (VIN = 3.4V)

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)

fCP = Clock Frequency for Register Devices (Zero for Non-Register Devices)

NCP = Number of Clock Inputs at fCP

fi = Input Frequency

Ni = Number of Inputs at fi

SWITCHINGCHARACTERISTICSOVEROPERATINGRANGE

74FCT166244AT

74FCT166422CT

Symbol

tPLH

Parameter

PropagationDelay

Condition⁽¹⁾

CL = 50pF

RL = 500Ω

Min.⁽²⁾

Max.

Min.⁽²⁾

Max.

Unit

1.5

4.8

1.5

—

4.1

tPHL

xAx to xYx

tPZH

OutputEnableTime

1.5

—

6.2

5.6

0.5

5.8

5.2

0.5

tPZL

tPHZ

OutputDisableTime

OutputSkew⁽³⁾

tPLZ

tSK(o)

NOTES:

1. See test circuits and waveforms.

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

3. Skew between any two outputs of the same package switching in the same direction. This parameter is guaranteed by design.

IDT74FCT166244AT/CT

FASTCMOS16-BITBUFFER/LINEDRIVER

INDUSTRIALTEMPERATURERANGE

TESTCIRCUITSANDWAVEFORMS

V CC

SWITCHPOSITION

7.0V

Test

Switch

Closed

Open

500Ω

Open Drain

Disable Low

Enable Low

V OUT

VIN

Pulse

Generator

D.U.T.

50pF

All Other Tests

500Ω

DEFINITIONS:

CL = Load capacitance: includes jig and probe capacitance.

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

Test Circuits for All Outputs

1.5V

DATA

INPUT

LOW-HIGH-LOW

tSU

1.5V

PULSE

1.5V

TIMING

INPUT

ASYNCHRONOUS CONTROL

tREM

PRESET

CLEAR

ETC.

1.5V

HIGH-LOW-HIGH

PULSE

1.5V

SYNCHRONOUS CONTROL

PRESET

1.5V

CLEAR

CLOCK ENABLE

ETC.

tSU

Pulse Width

Set-up, Hold, and Release Times

ENABLE

DISABLE

SAME PHASE

INPUT TRANSITION

1.5V

CONTROL

INPUT

1.5V

tPLH

tPHL

tPZL

tPLZ

VOH

1.5V

VOL

OUTPUT

3.5V

1.5V

3.5V

VOL

OUTPUT

NORMALLY

LOW

SWITCH

CLOSED

0.3V

tPZH

tPHZ

OPPOSITE PHASE

INPUT TRANSITION

1.5V

VOH

OUTPUT

NORMALLY

HIGH

SWITCH

OPEN

1.5V

Propagation Delay

Enable and Disable Times

NOTES:

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

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

IDT74FCT166244AT/CT

FASTCMOS16-BITBUFFER/LINEDRIVER

INDUSTRIALTEMPERATURERANGE

ORDERINGINFORMATION

IDT

FCT

XXXX

XXX

Temp. Range

Family

Package

Device Type

Shrink Small Outline Package

Thin Shrink Small Outline Package

244AT

244CT

16-Bit Buffer/Line Driver

166

16-Bit, 5 Volt, Light Drive

– 40°C to +85°C

DATASHEETDOCUMENTHISTORY

6/21/2002 Updated according to PDNs Logic-00-07 and Logic-01-04

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