Datasheet > 74LVC245A

74LVC245A

更新时间： 2024-09-28 14:55:27

品牌	Logo	应用领域
美台 - DIODES		/
页数	文件大小	规格书
10页	461K
描述
Octal Bus Transceiver with 3-state Outputs

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74LVC245A 数据手册

74LVC245A

OCTAL BUS TRANSCEIVER WITH 3 STATE OUTPUTS

Description

Pin Assignments

The 74LVC245A is an octal transceiver designed for asynchronous

communication between data buses. The device transmits data from

the A bus to the B bus or from the B bus to the A bus, depending on

the logic level at the direction-control (DIR) input. The output-enable

(OE) pin can be used to disable the device so the buses effectively are

isolated.

The device is designed for operation with a power supply range of

1.65V to 3.6V.

The inputs are tolerant to 5.5V allowing this device to be used in a

mixed voltage environment. The device is fully specified for partial

power down applications using I_OFF. The I_OFFcircuitry disables the

output preventing damaging current backflow when the device is

powered down.

Features



Supply Voltage Range from 1.65V to 3.6V

Sinks or Sources 24ma at V_CC= 3V

CMOS Low Power Consumption

Applications



General Purpose Logic

Bus Driving

_OFFSupports Partial Power Down Operation

Power Down Signal Isolation

Wide array of products such as:

Inputs or Outputs Accept Up to 5.5V

Inputs Can Be Driven by 3.3V or 5V Allowing for Mixed Voltage

Applications

PCs, Notebooks, Netbooks, Ultrabooks

Networking Computer Peripherals, Hard Drives, CD/DVD

ROM



Schmitt Trigger Action at All Inputs

Typical V_OLP(Quiet Output Ground Bounce) Less Than 0.8V with

V_CC= 3.3V and T_A= +25°C

TV, DVD, DVR, Set Top Box



Typical V_OHV(Quiet Output dynamic VOH) Greater than 2.0V with

V_CC= 3.3V and T_A= +25°C

ESD Protection Tested per JESD 22

Exceeds 200-V Machine Model (A115)

Exceeds 2000-V Human Body Model (A114)

Exceeds 1000-V Charged Device Model (C101)



Latch-Up Exceeds 250mA per JESD 78, Class I

All devices are:

Totally Lead-Free & Fully RoHS compliant (Notes 1 & 2)

Halogen and Antimony Free. “Green” Device (Note 3)

Notes:

1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.

2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen and Antimony free,

"Green" and Lead-Free.

3. Halogen and Antimony free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and

<1000ppm antimony compounds.

1 of 10

www.diodes.com

August 2014

74LVC245A

Document number: DS35890 Rev. 1 - 2

12 3 4 5 6 7...10

中文翻译

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与74LVC245A相关器件

型号	品牌	获取价格	描述	数据表
74LVC245A_04	NXP	获取价格	LOW VOLTAGE CMOS OCTAL BUS TRANSCEIVER (NOT INVERTED) HIGH PERFORMANCE
74LVC245ABQ	NXP	获取价格	Octal bus transceiver with direction pin with 5 V tolerant input/outputs (3-state)
74LVC245ABQ	NEXPERIA	获取价格	Octal bus transceiver; 3-stateProduction
74LVC245ABQ,115	NXP	获取价格	74LVC(H)245A - Octal bus transceiver; 3-state QFN 20-Pin
74LVC245ABQ-Q100	NEXPERIA	获取价格	Octal bus transceiver; 3-stateProduction
74LVC245ABQ-Q100	NXP	获取价格	Octal bus transceiver; 3-state
74LVC245ABQ-Q100X	NXP	获取价格	暂无描述
74LVC245ABX	NXP	获取价格	Octal bus transceiver; 3-state
74LVC245ABX,115	NXP	获取价格	74LVC(H)245A - Octal bus transceiver; 3-state QFN 20-Pin
74LVC245ABZ	NEXPERIA	获取价格	Octal bus transceiver; 3-stateProduction

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