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SMD code T00 in SOT-353

Marking codes are not standardised, and the same code is reused by unrelated makers for unrelated parts. Below is every part in our tables printed with it, and any printed with a code that is easy to misread as it, from the manufacturers' own marking tables and published code lists.

2 parts in SOT-353 are printed T00

Not sure which one you have?

Answer up to 4 quick questions and these 6 parts are ranked, with a meter test that settles it. It works on a dead part too.

  • NC7ST00PSOT-3535 pins, Fairchild SemiconductorNot recordedSOT-3535 pinsFairchild Semiconductor
    What it is
    Not recorded
    Maker
    Fairchild Semiconductor
    Package
    SOT-353
    Pins
    5
    Details
    CMOS logic IC: 2-input NAND gate
    Source
    Published code list

    Is it dead? The meter test is below: Integrated circuit.

  • NC7ST00P5SOT-23-5Logic gate, 5 pins, onsemiLogic gateSOT-23-55 pinsonsemi
    What it is
    Logic gate
    Maker
    onsemi
    Package
    SOT-23-5
    Pins
    5
    Details
    TinyLogic HST 2-Input NAND Gate
    Source
    Manufacturer datasheet

    Is it dead? The meter test is below: Integrated circuit.

  • 4 more parts have no package on record. Nothing rules them out, so they stay.
    • 74HCT1G00GVNXPNot recordedNot recordedNot recordedNXP
      What it is
      Not recorded
      Maker
      NXP
      Package
      Not recorded
      Pins
      Not recorded
      Details
      CMOS logic IC: 2-input NAND gate
      Source
      Published code list

      Is it dead? The meter test is below: Integrated circuit.

    • 74HCT2G00DCNXPNot recordedNot recordedNot recordedNXP
      What it is
      Not recorded
      Maker
      NXP
      Package
      Not recorded
      Pins
      Not recorded
      Details
      CMOS logic IC: Dual 2-input NAND gate
      Source
      Published code list

      Is it dead? The meter test is below: Integrated circuit.

    • 74HCT2G00DPNXPNot recordedNot recordedNot recordedNXP
      What it is
      Not recorded
      Maker
      NXP
      Package
      Not recorded
      Pins
      Not recorded
      Details
      CMOS logic IC: Dual 2-input NAND gate
      Source
      Published code list

      Is it dead? The meter test is below: Integrated circuit.

    • 74HCT2G00GDNXPNot recordedNot recordedNot recordedNXP
      What it is
      Not recorded
      Maker
      NXP
      Package
      Not recorded
      Pins
      Not recorded
      Details
      CMOS logic IC: Dual 2-input NAND gate
      Source
      Published code list

      Is it dead? The meter test is below: Integrated circuit.

Is it dead? One meter test per kind

Parts of the same kind are tested the same way, so each test is here once. Each part above points to its own.

Integrated circuit

Voltage with the board powered; ohms from each pin to ground with it off.

Working, it reads

Supply pin at its voltage and the output doing what the datasheet says. Readings between pins depend on the part.

Dead, it reads

  • A pin near 0 Ω to ground or to the supply pin where an identical part does not read that: failed short.
  • Supply present, output stuck: failed, or its load has.
On the board:
A pin shorted to ground on the board can be anything on that net. Lift the pin to be sure.
Compare:
The surest reference is the same IC on a working board, measured pin by pin.
Watch for:
Its protection diodes can read like junctions between pins, even like a transistor. That proves nothing either way.

A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.

Printed with a code easy to misread as T00

One character differs, and it is one that is easy to confuse under a lamp. Each code has a page of its own.

Codes that begin with T00

For a marking with its end worn or burnt off. Each code has a page of its own.

Did you find your part?

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