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SN74AXC8T245PWR

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Voltage Level Translator 8-CH Bidirectional 24-Pin TSSOP T/R

  • Manufacturer :
  • TI
  • Package/Case :
  • TSSOP-20
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  • IC Chips
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  • Lead free/RoHS Compliant
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SN74AXC8T245PWR Product Details

Texas Instruments' SN74AXC8T245PWR devices are 8-bit non-inverting bus transceivers that resolve voltage level mismatch between devices operating at the latest voltage nodes (0.7 V, 0.8 V, and 0.9 V) and devices operating at industry standard voltage nodes (1.8 V, 2.5 V, 3.3 V) and vice versa.The devices operate by using two independent power-supply rails (VCCA and VCCB) that operate as low as 0.65 V. Data pins A1 through A8 are designed to track VCCA, which accepts any supply voltage from 0.65 V to 3.6 V. Data pins B1 through B8 are designed to track VCCB, which accepts any supply voltage from 0.65 V to 3.6 V.The SN74AXC8T245PWR devices are designed for asynchronous communication between data buses. The devices transmit data from the A bus to the B bus or from the B bus to the A bus, depending on the logic level of the direction-control inputs (DIR1 and DIR2). The output-enable (OE) input is used to disable the outputs, so the buses are effectively isolated.The SN74AXC8T245PWR devices are designed so the control pins (DIR and OE) are referenced to VCCA.These devices are fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs when the device is powered down, inhibiting current backflow into the devices which prevents damage to the devices.The VCC isolation feature ensures that if either VCC input supply is below 100 mV, all level shifter outputs are disabled and placed into a high-impedance state.To ensure the high-impedance state of the level shifter I/Os during power up or power down, OE should be tied to VCCA through a pull-up resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.<strong>Features:</strong> Fully configurable dual-rail design allows each port to operate with a power supply range from 0.65 V to 3.6 V, Operating temperature from -40°C to +125°C, Multiple direction control pins to allow simultaneous up and down translation, Up to 380 Mbps support when both VCCA and VCCB are at least 1.8 V, VCC isolation feature to effectively isolate both buses in a power-down scenario, Partial power-down mode to limit backflow current in a power-down scenario, Compatible with SN74AVC8T245 and 74AVC8T245 level shifters, Latch-up performance exceeds 100 mA Per JESD 78, Class II, ESD protection exceeds JESD 22 8,000 V human-body model, 1,000 V charged-device model, Enterprise and communications, Industrial, Personal electronics, Wireless infrastructure, Building automation, Point of sale

SN74AXC8T245PWR

Feature

  • Qualified Fully Configurable Dual-Rail DesignAllows Each Port to Operate With a Power Supply Range From 0.65 V to 3.6V
  • Operating Temperature From –40°C to +125°C
  • Multiple Direction Control Pins to Allow Simultaneous Up and DownTranslation
  • Up to 380 Mbps Support When Translating from 1.8 V to 3.3 V
  • VCC Isolation Feature to Effectively Isolate Both Buses in aPower-Down Scenario
  • Partial Power-Down Mode to Limit Backflow Current in a Power-DownScenario
  • Compatible With SN74AVC8T245 and 74AVC8T245 Level Shifters
  • Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
  • ESD Protection Exceeds JESD 22
    • 8000-V Human-Body Model
    • 1000-V Charged-Device Model

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Description

The SN74AXC8T245 device is an 8-bit non-inverting bus transceiver thatresolves voltage level mismatch between devices operating at the latest voltage nodes (0.7 V, 0.8V, and 0.9 V) and devices operating at industry standard voltage nodes (1.8 V, 2.5 V, 3.3 V) andvice versa.

The device operates by using two independent power-supply rails(VCCA and VCCB) that operate as low as 0.65 V. Datapins A1 through A8 are designed to track VCCA, which accepts any supplyvoltage from 0.65 V to 3.6 V. Data pins B1 through B8 are designed to trackVCCB, which accepts any supply voltage from 0.65 V to 3.6 V.

The SN74AXC8T245 device is designed for asynchronous communication betweendata 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 of the direction-control inputs (DIR1 and DIR2). The output-enable(OE should be tied to VCCA through a pullupresistor; the minimum value of the resistor is determined by the current-sinking capability of thedriver.

SN74AXC8T245PWR Block Diagram
(Picture: Diagram)

Technical Parameters

  • Manufacturer
  • Texas Instruments
  • Series
  • 74AXC
  • Packaging
  • Cut Tape (CT)&nbsp;
  • Part Status
  • Active
  • Translator Type
  • Voltage Level
  • Channel Type
  • Bidirectional
  • Number of Circuits
  • 1
  • Channels per Circuit
  • 8
  • Voltage VCCA
  • 0.65V ~ 3.6V
  • Voltage VCCB
  • 0.65V ~ 3.6V
  • Input Signal
  • -
  • Output Signal
  • -
  • Output Type
  • Tri-State
  • Data Rate
  • 380Mbps
  • Operating Temperature
  • -40°C ~ 125°C (TA)
  • Features
  • -
  • Mounting Type
  • Surface Mount
  • Package / Case
  • 24-TSSOP (0.173", 4.40mm Width)
  • Supplier Device Package
  • 24-TSSOP
  • Standard Package
  • 1

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Ratings and Reviews (1)

  • 5 / 5
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  • **arya***
    2018-10-02

    alles bestens :-))

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2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.

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All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the SN74AXC8T245PWR we delivered, we will accept the replacement or return of the SN74AXC8T245PWR only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of SN74AXC8T245PWR.
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