Datasheet > 74AVCH2T45

74AVCH2T45

更新时间： 2024-11-20 11:08:11

品牌	Logo	应用领域
圣邦微 - SGMICRO		/
页数	文件大小	规格书
6页	433K
描述
2-Bit Dual-Supply Voltage Level Transceiver with 3-State Outputs

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74AVCH2T45 数据手册

74AVCH2T45

2-Bit Dual-Supply Voltage

Level Transceiver with 3-State Outputs

GENERAL DESCRIPTION

FEATURES

The 74AVCH2T45 is a 2-bit, dual-supply voltage level

transceiver. The nA and nB are two data input-output

ports, DIR is a direction control input, and V_CCAand

● V_CCASupply Voltage Range: 0.8V to 3.6V

● V_CCBSupply Voltage Range: 0.8V to 3.6V

● Inputs Accept Voltages up to 3.6V

● +12mA/-12mA Output Current

V_CCBare dual-supply pins. The supply voltage of V_CCA

and V_CCBcan range from 0.8V to 3.6V, making the

device suitable for translating among any of the 0.8V,

1.2V, 1.5V, 1.8V, 2.5V and 3.3V voltage nodes. The nA

and DIR signals are referenced to V_CCAand nB signals

● Data Rates:

 500Mbps (1.8V to 3.3V Translation)

 320Mbps (< 1.8V to 3.3V Translation)

 320Mbps (Translate to 2.5V or 1.8V)

 280Mbps (Translate to 1.5V)

are referenced to V_CCB

 240Mbps (Translate to 1.2V)

When DIR is set high, it allows transmission from nA to

nB. When DIR is set low, it allows transmission from nB

to nA. In suspend mode, when either V_CCAor V_CCBinput

is at GND, both nA and nB are in the high-impedance

state.

● Outputs in High-Impedance State when V_CCAor

V_CCB= 0V

● No External Pull-up/Pull-down Resistors are

Required Due to the Bus Hold on Data Inputs

● -40℃ to +125℃ Operating Temperature Range

● Available in a Green VSSOP-8 Package

This device is highly suitable for partial power-down

applications using power-off leakage current (I_OFF) circuit.

When the device is powered down, the current backflow

will be prevented from passing through the device.

The active bus hold circuitry makes device unnecessary

to use external pull-up/pull-down resistors by holding

unused or floating data inputs at a valid logic level.

FUNCTION TABLE

SUPPLY

CONTROL

INPUT

INPUT/OUTPUT ⁽¹⁾

VOLTAGE

V_CCA, V_CCB

0.8V to 3.6V

GND ⁽³⁾

DIR ⁽²⁾

nA = nB

Inputs

nB = nA

LOGIC DIAGRAM

DIR

H = High Voltage Level

L = Low Voltage Level

X = Don’t Care

Z = High-Impedance State

NOTES:

1. For the I/O data, the input circuit is always active.

2. The DIR pin is referenced to V_CCA.

3. If at least one of V_CCAor V_CCBis at GND level, the device

enters suspend mode.

SG Micro Corp

NOVEMBER 2022 – REV. A

www.sg-micro.com

12 3 4 5 6

中文翻译

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与74AVCH2T45相关器件

型号	品牌	获取价格	描述	数据表
74AVCH2T45DC	NXP	获取价格	Dual-bit, dual-supply voltage level translator/transceiver; 3-state
74AVCH2T45DC	NEXPERIA	获取价格	Dual-bit, dual-supply voltage level translato
74AVCH2T45DC-Q100	NEXPERIA	获取价格	Dual-bit, dual-supply voltage level translato
74AVCH2T45DCTRE4	TI	获取价格	DUAL-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUT
74AVCH2T45DCTRG4	TI	获取价格	DUAL-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUT
74AVCH2T45DCTTE4	TI	获取价格	DUAL-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUT
74AVCH2T45DCURE4	TI	获取价格	DUAL-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUT
74AVCH2T45DCURG4	TI	获取价格	DUAL-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUT
74AVCH2T45DCUTE4	TI	获取价格	DUAL-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUT
74AVCH2T45DCUTG4	TI	获取价格	DUAL-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUT

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