Datasheet > SN74AVCA164245_09

SN74AVCA164245_09

更新时间： 2024-11-19 09:15:07

品牌	Logo	应用领域
德州仪器 - TI		总线收发器输出元件
页数	文件大小	规格书
17页	486K
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16-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS

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SN74AVCA164245

16-BIT DUAL-SUPPLY BUS TRANSCEIVER

WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS

www.ti.com

SCES395B–JULY 2002–REVISED OCTOBER 2005

FEATURES

•

Member of the Texas Instruments Widebus™

Family

•

Overvoltage-Tolerant Inputs/Outputs Allow

Mixed-Voltage-Mode Data Communications

•

DOC™ Circuitry Dynamically Changes Output

Impedance, Resulting in Noise Reduction

Without Speed Degradation

I_offSupports Partial-Power-Down Mode

Operation

Fully Configurable Dual-Rail Design Allows

Each Port to Operate Over the Full 1.4-V to

3.6-V Power-Supply Range

•

Dynamic Drive Capability Is Equivalent to

Standard Outputs With I_OHand I_OLof ±24 mA

at 2.5-V V_CC

•

Latch-Up Performance Exceeds 100 mA Per

JESD 78, Class II

•

Control Inputs V_IH/V_ILLevels Are Referenced

to V_CCAVoltage

ESD Protection Exceeds JESD 22

– 2000-V Human-Body Model (A114-A)

– 200-V Machine Model (A115-A)

If Either V_CCInput Is at GND, Both Ports Are in

the High-Impedance State

– 1000-V Charged-Device Model (C101)

DESCRIPTION/ORDERING INFORMATION

This 16-bit (dual-octal) noninverting bus transceiver uses two separate configurable power-supply rails. The A

port is designed to track V_CCA. V_CCAaccepts any supply voltage from 1.4 V to 3.6 V. The B port is designed to

track V_CCB. V_CCBaccepts any supply voltage from 1.4 V to 3.6 V. This allows for universal low-voltage

bidirectional translation between any of the 1.5-V, 1.8-V, 2.5-V, and 3.3-V voltage nodes.

The SN74AVCA164245 is 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) input can be used to disable the outputs so the buses are

effectively isolated.

The SN74AVCA164245 is designed so that the control pins (1DIR, 2DIR, 1OE, and 2OE) are supplied by V_CCA

To ensure the high-impedance state during power up or power down, OE should be tied to V_CCAthrough a pullup

resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

This device is fully specified for partial-power-down applications using I_off. The I_offcircuitry disables the outputs,

preventing damaging current backflow through the device when it is powered down. If either V_CCinput is at GND,

then both ports are in the high-impedance state.

ORDERING INFORMATION

T_A

PACKAGE⁽¹⁾

ORDERABLE PART NUMBER

SN74AVCA164245GR

SN74AVCA164245VR

TOP-SIDE MARKING

AVCA164245

TSSOP – DGG

TVSOP – DGV

VFBGA – GQL

VFBGA – ZQL

Tape and reel

WA4245

–40°C to 85°C

SN74AVCA164245KR

WA4245

74AVCA164245ZQLR

(1) Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at

www.ti.com/sc/package.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

Widebus is a trademark of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...17

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与SN74AVCA164245_09相关器件

型号	品牌	获取价格	描述	数据表
SN74AVCA164245GR	TI	获取价格	16 BIT DUAL SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3 STATE OUTPU
SN74AVCA164245KR	TI	获取价格	16 BIT DUAL SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3 STATE OUTPU
SN74AVCA164245VR	TI	获取价格	16 BIT DUAL SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3 STATE OUTPU
SN74AVCA406	TI	获取价格	MMC SD CARD MEMORY STICK SMARTMEDIA AND XD PICTURE CARD 15KV ESD PROTECTED VOLTAGE TRANSLA
SN74AVCA406_07	TI	获取价格	MMC, SD CARD, Memory Stick, SmartMedia, AND x
SN74AVCA406_10	TI	获取价格	MMC, SD CARD, Memory Stick, SmartMedia, AND x
SN74AVCA406DGGR	TI	获取价格	MMC, SD CARD, Memory Stick, SmartMedia, AND x
SN74AVCA406DGGRE4	TI	获取价格	MMC, SD CARD, Memory Stick, SmartMedia, AND x
SN74AVCA406DGGRG4	TI	获取价格	MMC, SD CARD, Memory Stick, SmartMedia, AND x
SN74AVCA406E	TI	获取价格	MMC AND SD CARD VOLTAGE-TRANSLATION TRANSCEIVER

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