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Level Translator
Related Posts

  • Forum Post: Compact Flash Level Translator Application SN74LV4320A

    John Griffith
    Team, I have an application where I need to connect a Compact Flash socket to a PXA270 CPU (Intel's version of the ARMv5 architecture). Is the SN74LV4320AZKFR a good part to use? I see that the AGKFR version is NRND. I don’t want to pick a part that is going EOL soon. Are there any other...
    on Jun 8, 2011

  • Forum Post: Re: Using TXB0108 in a uart

    Edgardo Vaz
    Hi. I solved the problem with the fullduplex to halfduplex converter connected to TXB0108. The problem was the resistance R9 (see schematic), I changed it for a 180 Ohms value (it also works with resistances in the range between 90 and 180 Ohms) . I attached the image captured for the osciloscope...
    on Jun 12, 2011

  • Forum Post: TXB0304

    Andreas Schr��ck
    Hi, i tried to use the TXB0304 for our new design... During the simulation everything seems to be ok but on the real hardware nothing happens. No output signal - on any pin or in any direction. Supplies checked, OE pin checked, ... We tried every possible combination of voltages and directions...
    on Mar 26, 2012

  • Forum Post: TXB0108 TYPICAL PERFORMANCE CHARACTERISTICS

    Lucia Stewart
    Hi, I am considering using the TXB0108 voltage level translator in my design and wanted to know what the typical values for I CCA and I CCB are at different data rates. Particularly at 1Mbps. Thanks Lucia
    on May 22, 2012

  • Forum Post: TXB v/s TXS device selection

    Anool Mahidharia
    I'm working on a design involving processors at different voltage levels. 1. I need to interface a uSD card with an Atmel ATMega328. Is the TXB0104 a suitable and correct device for such an application ? 2. I need to set up bi-directional communication between a Broadcom BCM2835 processor...
    on Jun 9, 2012

  • Forum Post: RE: TXB v/s TXS device selection

    Anool Mahidharia
    Hi, Junjie, Thanks for that clarification. I was confused because the suggestion I got on the Raspberry-Pi forum was to go for the TXB series device. I'll post back here after we actually test it out.
    on Jun 11, 2012

  • Forum Post: Driving issue with TXB0106

    Narayana Rao Kamineni
    Hi, We are using TXB0106(TSSOP package TXB0106IPWRQ1 ) for level shfting of signals between FPGA(2.5V) and Audio CODEC(3.3V). We could see level shifting operation happening properly for low frequecies which are around 48KHz. But level shfting is not happening properly for signals of 3MHz frequency...
    on Jul 30, 2012

  • Forum Post: TXB0108 low output problem

    Tom Hobson
    Hello! I'm using a TXB0108 in conjunction with an ADS1299 and an AVR. The problem that I'm having is that my output voltages for time-varying signals are low or non-existent. The set up is as follows: Vcca = 3.3V Vccb = 5V OE = Vcca = 3.3V My 5Vpp clock signal just doesn't...
    on Jan 22, 2013

  • Forum Post: sn74alvc164245-ep power sequence

    Calum Mackinnon
    Hi, In the datasheet there is a power up consideration section see below in bold - My customer had the following questions - We connected the VCCB to 5V and VCCA to 3.3V. Our power sequence has the 5V coming up before the 3.3V. Does item#2 “Power up the control side of the device (VCCA for...
    on Jan 26, 2013

  • Forum Post: Urgent help on UART over TXB0104

    Jens Olsson
    Hi, I have a Vinculum 2 (VNC2 microprocessor with USB connectivity) ( Datasheet ) It is running on 3.3 volt and I have configured an UART using RXD TXD RTS CTS I also have a proprietary modem using a UART with 2.775 volt levels. I need to connect these and was hoping to use the TXB0104 for the task...
    on Jan 29, 2013

  • Forum Post: How to handle unused pins on a SN74LVC4245A OCTAL BUS TRANSCEIVER AND 3.3-V TO 5-V SHIFTER

    Chris Andrew
    Hi I am using a SN74LVC4245A for level shifting from 5V to 3V3 to drive a LCD. I am only using four of the 8 channels for data lines, I am not clear how to tie the remaining channels to avoid oscillation etc. The datasheet says: All unused inputs of the device must be held at the associated VCC or...
    on Feb 18, 2013

  • Forum Post: RE: TXS0108 and I2C

    Wen73818
    HI, I am using TSX0108 translate from 2.5V (A port) to 1.8V (B port). Since I need it power up at low level on B port, I have a 10K ohm resistor pull down on B-port. When I drive A port to high, sometimes works fine, sometimes oscillating. If I change the pull-down resistor to a smaller value, say...
    on Mar 25, 2013

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