Datasheet > 74LVCH16646APA8

74LVCH16646APA8

更新时间： 2024-11-05 08:14:47

品牌	Logo	应用领域
艾迪悌 - IDT		/
页数	文件大小	规格书
8页	118K
描述
Bus Driver/Transceiver

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中文翻译

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数据手册

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74LVCH16646APA8 数据手册

IDT74LVCH16646A

3.3VCMOS16-BITBUSTRANSCEIVER/REGISTER

INDUSTRIALTEMPERATURERANGE

IDT74LVCH16646A

3.3V CMOS 16-BIT BUS

TRANSCEIVER/REGISTER

WITH 3-STATE OUTPUTS,

5 VOLT TOLERANT I/O AND BUS-HOLD

FEATURES:

DESCRIPTION:

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

The LVCH16646A 16-bit bus transceiver and register is built using

advanced dual metal CMOS technology. This high-speed, low power

device is organizedas twoindependent8-bitD-type transceivers with3-

state D-type registers.The controls circuitry is organized for multiplexed

transmission of data between A bus and B bus either directly or from the

internalstorageregisters.Each8-bittransceiver/registerfeaturesdirection

control(DIR),over-ridingOutputEnablecontrol(OE)andSelectlines(SAB

andSBA)toselecteitherreal-timedataorstoreddata.Separateclockinputs

areprovidedforAandBportregisters.DataontheAorBdatabus,orboth,

canbe storedinthe internalregisters bythe low-to-hightransitions atthe

appropriateclockpins.Flow-throughorganizationofsignalpins simplifies

layout.Allinputs are designedwithhysteresis forimprovednoise margin.

Allpinscanbedrivenfromeither3.3Vor5Vdevices. Thisfeatureallows

the use of this device as a translator in a mixed 3.3V/5V supply system.

TheLVCH16646Ahas beendesignedwitha ±24mAoutputdriver.This

driver is capable of driving a moderate to heavy load while maintaining

speedperformance.

• ESD > 2000V per MIL-STD-883, Method 3015; > 200V using

machine model (C = 200pF, R = 0)

• VCC = 3.3V ± 0.3V, Normal Range

• VCC = 2.7V to 3.6V, Extended Range

• CMOS power levels (0.4μ W typ. static)

• All inputs, outputs, and I/O are 5V tolerant

• Supports hot insertion

• Available in TSSOP and TVSOP packages

DRIVE FEATURES:

• High Output Drivers: ±24mA

• Reduced system switching noise

APPLICATIONS:

• 5V and 3.3V mixed voltage systems

• Data communication and telecommunication systems

The LVCH16646A has “bus-hold” which retains the inputs’ last state

whenevertheinputgoestoahighimpedance. Thispreventsfloatinginputs

andeliminates the needforpull-up/downresistors.

FUNCTIONALBLOCKDIAGRAM

2OE

1OE

1DIR

2DIR

2CLKBA

1CLKBA

2SBA

1SBA

2CLKAB

1CLKAB

2SAB

2A1

1SAB

One of Eight Channels

1A1 ⁵

1B1

2B1

TO SEVEN OTHER CHANNELS

TheIDTlogoisaregisteredtrademarkofIntegratedDeviceTechnology,Inc.

INDUSTRIAL TEMPERATURE RANGE

JUNE 2006

DSC-3787/4

12 3 4 5 6 7 8

中文翻译

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与74LVCH16646APA8相关器件

型号	品牌	获取价格	描述	数据表
74LVCH16646APFG	IDT	获取价格	Registered Bus Transceiver, LVC/LCX/Z Series, 2-Func, 8-Bit, True Output, CMOS, PDSO56, GR
74LVCH16646APFG8	IDT	获取价格	Registered Bus Transceiver, LVC/LCX/Z Series, 2-Func, 8-Bit, True Output, CMOS, PDSO56, GR
74LVCH16701APA	IDT	获取价格	TSSOP-56, Tube
74LVCH16701APF	IDT	获取价格	TVSOP-56, Tube
74LVCH16701APV	IDT	获取价格	SSOP-56, Tube
74LVCH16702APF	IDT	获取价格	TVSOP-56, Tube
74LVCH16702APV	IDT	获取价格	SSOP-56, Tube
74LVCH16T245DGGRE4	TI	获取价格	16-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPU
74LVCH16T245DGGRG4	TI	获取价格	16-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPU
74LVCH16T245DGVRG4	TI	获取价格	16-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPU

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