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Showing 11 results View by: Thread Post Sort by
  • SN74HC157: Higher output drive current version

    Xiaoying Lu
    Xiaoying Lu
    TI Thinks Resolved
    Part Number: SN74HC157 Hi team, I notice that in datasheet, it shows that SN74HC157 has +/-6mA output drive capability at 5V. However, the continuous output current in EC table is +/-35mA? What's the specific difference between these two values? If…
    • 2 months ago
    • Logic
    • Logic forum
  • SN74HC157: SN74HC157PWR

    Yashwanth Melwanki
    Yashwanth Melwanki
    TI Thinks Resolved
    Part Number: SN74HC157 Tool/software: Please po9rvide below specifications for the device SN74HC157PWR 1) VIH Input HIGH Voltage] at 3.3V VCC supply; Is that 0.7xVCC> 2) VIHmax at 3.3V VCC supply; Is it 0.3XVCC? 3) IOZH [High Impedance Output Current…
    • 11 months ago
    • Logic
    • Logic forum
  • SN74HC157: Cross ref parts [Drop in replacement]

    Yashwanth Melwanki
    Yashwanth Melwanki
    TI Thinks Resolved
    Part Number: SN74HC157 Tool/software: Kindly help with cross references for below parts; I am looking for Drop in replacement to continue with existing PCB 1) PI5C3257ZHDEX [Diode Incorporated] 2) LTC6247CMS8#TRPBF [Linear Technology] 3) GSOT12…
    • 11 months ago
    • Logic
    • Logic forum
  • Answered
  • SN74HC157A: Difference between SN74HC157

    Kei Kuwahara
    Kei Kuwahara
    Resolved
    Part Number: SN74HC157A Other Parts Discussed in Thread: SN74HC157 Hello team, What is the difference between SN74HC157 A and SN74HC157? I can't even find a datasheet for SN74HC157 A . Best Regards, Kei Kuwahara
    • Resolved
    • over 1 year ago
    • Logic
    • Logic forum
  • SN74HC157: ESD data request

    yutaro hayashi
    yutaro hayashi
    TI Thinks Resolved
    Part Number: SN74HC157 Hi Support Team. In the Qualification Summary, the results of ESD-HBM and CDM are described as "See data sheet". However, the datasheet does not show the results of ESD. Please tell me ESD data (HBM data , CDM data) of SN74HC157NSR…
    • over 4 years ago
    • Logic
    • Logic forum
  • Answered
  • SN74HC157: Use SN74HC157 as a Quadrature Decoder

    Stephen Katz
    Stephen Katz
    Resolved
    Part Number: SN74HC157 Other Parts Discussed in Thread: SN74LVC1G79 , TIDA-00580 I was told by my distributor that I can use the SN74HC157 as a Quadrature Decoder. How do you recommend it be configured. My input is a 2-phase rotary optical encoder…
    • Resolved
    • over 6 years ago
    • Logic
    • Logic forum
  • SN74HC157: Will occaisional slow transitions do any damage?

    Bill Dallin
    Bill Dallin
    TI Thinks Resolved
    Part Number: SN74HC157 I am feeding a 74HC157 data selector with a pair of 4 bit absolute encoders through an RC filter for switch bounce (100 usec TC). Ideally, I could use a pair of 74HCS125 Schmitt buffers to get a fast transition time for the HC157…
    • over 5 years ago
    • Logic
    • Logic forum
  • Answered
  • RE: SN74HC157: Can propagation delay of inverter cause problem ?

    Dylan Hubbard
    Dylan Hubbard
    Resolved
    Hi Takuya, Since the output is high when Select is low and A is high, the transition to high for the select input while B is also high produces a high output. Any delay caused by the extra inverter stage will be negligible.
    • over 6 years ago
    • Logic
    • Logic forum
  • SN74HC157 VIH,VIL,VOH,VOL(VCC=3.3V)

    itabi
    itabi
    TI Thinks Resolved
    Hello, Could you tell me the characteristics of VIH,VIL,VOH,VOL at VCC=3.3V? Best regards, itabi
    • over 9 years ago
    • Logic
    • Logic forum
  • RE: Tri state switch with LED indicator

    LeonardEllis
    LeonardEllis
    Hello Mateusz, The NC7SZ157P6X is an ON Semi device and as such Texas Instruments cannot comment or recommend any design advice. As for the LED on the SN74HC157 , please provide further detail as to what the LED is to indicate; when will it be ON…
    • over 7 years ago
    • Switches & multiplexers
    • Switches & multiplexers forum
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