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SN74LVC8T245QPWRQ1

  • SN74LVC8T245QPWRQ1

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SN74LVC8T245QPWRQ1 Overview

The SN74LVC8T245-Q1 is an eight bit non-inverting bus transceiver with configurable dual power supply rails that enables bidirectional voltage level translation. The SN74LVC8T245-Q1 is optimized to operate with VCCA and VCCB set at 1.65 V to 5.5 V. 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. VCCB accepts 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 5.5-V voltage nodes.

The SN74LVC8T245-Q1 is designed for asynchronous communication between two data buses. The logic levels of the direction-control (DIR) input and the output-enable (OE) input activate either the B-port outputs or the A-port outputs or place both output ports into the high-impedance mode. 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 is always active and must have a logic HIGH or LOW level applied to prevent excess ICC and ICCZ.

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, all outputs are in the high-impedance state. To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

The SN74LVC8T245-Q1 is designed so that the control pins (DIR and OE) are supplied by VCCA.

SN74LVC8T245QPWRQ1

Features

  • Control inputs VIH/VIL levels are referenced to VCCA voltage
  • VCC isolation feature – if either VCC input is at GND, all are in the high-impedance state
  • Fully configurable dual-rail design allows each port to operate over the full 1.65-V to 5.5-V power-supply range
  • Latch-up performance exceeds 100 mA per JESD 78, class II
  • ESD protection exceeds JESD 22
    • 4000-V Human-Body Model (A114-A)
    • 100-V Machine Model (A115-A)
    • 1000-V Charged-Device Model (C101)
SN74LVC8T245QPWRQ1
SN74LVC8T245QPWRQ1

Product Parameters

  • genericPartNumber

    SN74LVC8T245-Q1

  • partDescription

    Automotive 8-Bit Dl-Spply Bus Trans. with Voltage Translation and Three-State Outputs

  • statusDescription

    This product has been released to the market and is available for purchase. For some products, newer alternatives may be available.

  • packageQtyCarrier

    2000|LARGE T&R

  • orderablePartNumber

    SN74LVC8T245QPWRQ1

  • statusDisplay

    ACTIVE

  • packageQuantity

    2000

  • packagePins

    TSSOP (PW)|24

Technical Documents

  • Input and Output Characteristics of Digital Integrated CircuitsDetails>>

  • Implications of Slow or Floating CMOS Inputs (Rev. E)Details>>

  • LVC Characterization InformationDetails>>

  • Bus-Interface Devices With Output-Damping Resistors Or Reduced-Drive Outputs (Rev. A)Details>>

  • CMOS Power Consumption and CPD Calculation (Rev. B)Details>>

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Other distributor's price

Distributor Part # Mfg. Description Price
arrow SN74LVC8T245QPWRQ1 Texas Instruments Voltage Level Translator 8-CH Bidirectional Automotive 24-Pin TSSOP T/R

2000---$0.7452
digikey SN74LVC8T245QPWRQ1 Texas Instruments IC TRANSLATION TXRX 5.5V 24TSSOP

2000---$0.9315
mouser SN74LVC8T245QPWRQ1 Texas Instruments Translation - Voltage Levels AC 8B Dl-Spply Bus Trans

1---$1.9400

10---$1.7500

25---$1.6500

100---$1.4100

250---$1.3200

500---$1.1600

1000---$0.9560

2000---$0.9550
newark SN74LVC8T245QPWRQ1 Texas Instruments Transceiver, Octal, 3-State, Tssop-24, Logic Device Type:Transceiver, Non Inverting, Logic Family/Base Number:74Lvc8T245, Logic Case Style:Tssop, No. Of Pins:24Pins, Supply Voltage Min:1.65V, Supply Voltage Max:5.5V, Logic Ic Rohs Compliant: Yes |Texas Instruments SN74LVC8T245QPWRQ1

1---$2.4400

10---$2.3300

25---$2.2100

50---$2.1200

100---$2.0300

250---$1.9600

500---$1.9100

1000---$1.8800

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