Datasheet > 74LVC1T45

74LVC1T45

更新时间： 2024-11-28 11:16:07

品牌	Logo	应用领域
圣邦微 - SGMICRO		/
页数	文件大小	规格书
8页	506K
描述
Single-Bit Dual-Supply Bus Transceiver with Configurable Voltage Translation

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74LVC1T45 数据手册

74LVC1T45

Single-Bit Dual-Supply Bus Transceiver

with Configurable Voltage Translation

GENERAL DESCRIPTION

FEATURES

The 74LVC1T45 is a single-bit, dual-supply bus

transceiver with configurable voltage translation. The

device has two separate configurable power-supply

rails. The A and B ports track the V_CCAsupply and V_CCB

supply respectively. The supply voltage pins accept

voltage range from 1.65V to 5.5V, which makes the

device suitable for low voltage bidirectional translation

voltage nodes of 1.8V, 2.5V, 3.3V, and 5V.

● V_CCASupply Voltage Range: 1.65V to 5.5V

● V_CCBSupply Voltage Range: 1.65V to 5.5V

● DIR Input Circuit Referenced to V_CCA

● +32mA/-32mA Output Current

● Data Rates

 420Mbps (3.3V to 5V Translation)

 210Mbps (Translate to 3.3V)

 140Mbps (Translate to 2.5V)

 75Mbps (Translate to 1.8V)

The 74LVC1T45 features that two data buses can

communicate asynchronously. Either the A port outputs

or the B port outputs can be activated by DIR logic

levels. The DIR input circuit is supplied by V_CCA. When

B port outputs are activated, the device allows the data

to transmit from A bus to B bus. On the contrary, when

A port outputs are activated, the device allows the data

to transmit from B bus to A bus. The input circuit is

always active on the two ports. A logic level of high or

low must be set to avoid excessive supply current.

● Outputs in High-Impedance State when V_CCAor

_CCB= 0V

● -40℃ to +125℃ Operating Temperature Range

● Available in Green SC70-6, SOT-23-6 Packages

APPLICATIONS

Personal Electronic Devices

Industrial and Enterprise Devices

Telecommunications

SG Micro Corp

DECEMBER 2022 – REV. A

www.sg-micro.com

12 3 4 5 6 7 8

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