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  • SN74CB3Q3257: Old PN Substitution ("E4")

    Resolved
    Part Number: SN74CB3Q3257 Tool/software: Hi, Can SN74CB3Q3257PWR E4 be substituted for the SN74CB3Q3257PWR? I see an old datasheet (2009) with reference to the “E4” version, but it doesn’t list why it is different. Thanks!
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  • SN74CB3Q3257: Heat generation when using high-frequency signals

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    Part Number: SN74CB3Q3257 Tool/software: I am concerned about device heat generation when passing a 50MHz CLK. Is there any difference in heat generation when passing signals below 1kHz? I would appreciate any calculation formulas or reference information…
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  • SN74CB3Q3257: Question for Propagation delay

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    Part Number: SN74CB3Q3257 Other Parts Discussed in Thread: SN74LVC1G66 , , SN74AVC4T774 Tool/software: We used two parts on SPI bus, SN74CB3Q3257 has CLK/CS/IO1/IO2 and SN74LVC1G66 has IO3/IO4. Propagation delay is MAX 0.8 ns on SN74LVC1G66,Propagation…
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  • SN74CB3Q3257: Example circuit not works according Proteus simulation

    Resolved
    Part Number: SN74CB3Q3257 Tool/software: Hi TI: I need to read 8 resistive dividers with a MSP432. I only have available 4 analog pins of the MSP432, I plan to multiplex through a SN74CB3Q3257PWR according to the attached schematic. However in a proteus…
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  • SN74CB3Q3257: Maximum case temperature spec

    TI Thinks Resolved
    Part Number: SN74CB3Q3257 Other Parts Discussed in Thread: LM339 , Hello, Some TI devices, such as LM339, give a maximum "case temperature" spec in the datasheet. I do not see an equivalent spec for SN74CB3Q3257. Can you please let me know the maximum…

  • SN74CB3Q3257: VCC connect to P3V3 power

    TI Thinks Resolved
    Part Number: SN74CB3Q3257 Other Parts Discussed in Thread: SN74CBTLV3257 Hi team， I have a concern about the SN74CB3Q3257 IO signal level, I want to use this IC’s IO for P1V8 JTAG signals select, according to the datasheet, it should be ok when VCC…

  • SN74CB3Q3257: Dynamic characteristics and hot insertion of the IC

    TI Thinks Resolved
    Part Number: SN74CB3Q3257 Other Parts Discussed in Thread: TMUX1574 Can you please share the details of channel to channel crosstalk, off isolation and -3dB bandwidth of the IC (SN74CB3Q3257DBQR). Maximum voltage and current rating for hot insertion…
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  • SN74CB3Q3257: SN74CB3Q3257 IO internal pull-up resistor

    Resolved
    Part Number: SN74CB3Q3257 Hello, Team May I know if our SN74CB3Q3257 pin A1/A2/A3/A4 has a build-in pull up resistor? and what`s is the parasitic capacitance on A1/A2/A3/A4 pin?
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  • SN74CB3Q3257: a negative voltage at VIN

    Resolved
    Part Number: SN74CB3Q3257 Hi Team, Customer report that when they test the waveform at control input pin (OE, S), The low voltage is -0.08V, which exceeds the recommended operating voltage VIL. Are there any risks? Regards, Haiiang
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  • SN74CB3Q3257: Reliability parameters

    TI Thinks Resolved
    Part Number: SN74CB3Q3257 Hi TI, Please provide the reliability parameters of SN74CB3Q3257: MTBF, reliability (Rt), failure rate (λ). Are all the part numbers the same? Or are there different situations for different part numbers? Br Cayden

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