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TI - SN74LVC1T45 (ACTIVE) 具有可配置电压转换和 3 态输出的单位双电源总线收发器 - 逻辑 小尺寸逻辑器件

SN74LVC1T45 (ACTIVE) 具有可配置电压转换和 3 态输出的单位双电源总线收发器 此图片只做参考用
真图请以实物为准
库存状况
  • 库存数量: 200
  • 包装规格:
  • 最小订单量:1
  • 多重订单量:1
  • 单位价格(不含税):CNY 1.00
数量:
价格
    数量单位价格(不含税)
    1-24CNY 1.00
    25-49CNY 0.95
    50-99CNY 0.90
    100-249CNY 0.85
  • 制造商:TI
  • 库存编号:1616641
  • 商品型号:SN74LVC1T45DBVR
  • RoHS胁从产品:
  • 备注:
  • 产品描述:

This single-bit noninverting bus transceiver uses two separate configurable power-supply rails. The A port is designed to track VCCA. VCCA accepts any supply voltage from 1.65 V to 5.5 V. The B port is designed to track VCCB. VCCBaccepts any supply voltage from 1.65 V to 5.5 V. This allows for universal low-voltage bidirectional translation between any of the 1.8-V, 2.5-V, 3.3-V, and 5-V voltage nodes.

The SN74LVC1T45 is designed for asynchronous communication between two data buses. The logic levels of the direction-control (DIR) input activate either the B-port outputs or the A-port outputs. The device transmits data from the A bus to the B bus when the B-port outputs are activated and from the B bus to the A bus when the A-port outputs are activated. The input circuitry on both A and B ports always is active and must have a logic HIGH or LOW level applied to prevent excess ICC and ICCZ.

The SN74LVC1T45 is designed so that the DIR input is powered by VCCA.

This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down.

The VCC isolation feature ensures that if either VCC input is at GND, then both ports are in the high-impedance state.

NanoFree™ package technology is a major breakthrough in IC packaging concepts, using the die as the package.

特性

Available in the Texas Instruments NanoFree™ Package

Fully Configurable Dual-Rail Design Allows Each Port to 

Operate Over the Full 1.65-V to 5.5-V Power-Supply Range

VCC Isolation Feature – If Either VCC Input Is at GND, 

Both Ports Are in the High-Impedance State

DIR Input Circuit Referenced to VCCA

Low Power Consumption, 4-μA Max ICC

±24-mA Output Drive at 3.3 V

Ioff Supports Partial-Power-Down Mode Operation

Max Data Rates

420 Mbps (3.3-V to 5-V Translation)

210 Mbps (Translate to 3.3 V)

140 Mbps (Translate to 2.5 V)

75 Mbps (Translate to 1.8 V)

Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II

ESD Protection Exceeds JESD 22

2000-V Human-Body Model (A114-A)

200-V Machine Model (A115-A)

1000-V Charged-Device Model (C101)

NanoFree Is a trademark of Texas Instruments.

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