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  • Forum Post: Bi-directional Voltage-Level Translator for SPI?

    Tim Baker
    Hello, I found that there are lots of I2C interface ICs in TI catalog. However, under TI Home > Interface I didn't find any category for SPI protocol. SPI lacks formal standards , so unlike I2C which has a single standard from Philips, there are variations of SPI protocol including 3-wire...
    on Nov 14, 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: TSX0108E Push-pull

    Romilly Cocking
    We'd like to use a TXS0180E to level-shift the eight GPIO pins of an ARM SoC. We need stronger outputs than the TXB0108E provides. The data rate of the TSX0108E is fine in push-pull mode but would be too slow in Open-collector mode. I'm confused, though, about what determines the mode in which...
    on May 17, 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: 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

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