IC Marking Code with Part number

IC MARKING CODE WITH NUMBER

ICs (Integrated Circuits) often have marking codes that include part numbers, manufacturer logos, date codes, and other information. The marking code may differ from the full part number due to space constraints on the package.

To identify an IC using its marking code:

1. Check Manufacturer Logo: Many ICs have a small logo or abbreviation indicating the manufacturer (e.g., "TI" for Texas Instruments, "ST" for STMicroelectronics).
2. Look Up the Part Number: The alphanumeric code on the IC is usually the part number or a short version of it.
3. Decode Date and Batch Codes: Some markings include a date code (e.g., "2314" may mean the 14th week of 2023).

QW*** SY6280AAAC - P/T SOT23-5

RE*** SY6288D20AAC - (LA-C371P)

RF*** SYX198BQNC - N/D (NM-A561)

RG*** SYX198CQNC - N/D (NM-A561)

RH*** SYX198DQNC - N/D (LA-E311P)

RI*** SYX196BQNC - N/D (LA-A994P)

RJ*** SYX196CQNC - N/D (LA-C282P)

RK*** SYX196DQNC - N/D (LA-D071P)

rM*** SY8388CRHC - N/D (NM-D031)

RT*** SY6288C20AAC - (LA-C371P)

Te*** SY6861B1ABC - (LA-G021P)

VC*** SY8003EDFC

Vt*** SY8843QWC - (SF314-57 NB8511 MB)

Wm*** SY8057BQDC - N/D N/S

XT*** SY8253ADC - P/T TSOT23-6

XU*** SY8253AIC - P/T TSOT23-8

yQ*** SY8388BRHC - N/D (LA-K261P)

YU*** SY8201CABC - P/T SOT23-6

YW*** SY8368QNC - P/T QFN3x3-10

Marking code | Package           | Part number    | Examples

—————————————————————————————————————————————————————————

AA*          | DFN8              | NCP5359AMNR2G   | AAK,AAP,AA9

A3*          | DFN8              | NCP81145         |

A3*          | DFN8              | NCP81151         |  

A4*          | DFN8              | NCP81161        | A46

A4*          | DFN8              | NCP81146         |

AJ*          | DFN8              | NCP5901          | 

AZ*          | DFN8              | NCP5901B         |

CG*          | DFN8              | NCP81253         | CGV,CGT,CG6,CGE 

CL*          | DFN8              | NCP81074A        |

CM*          | DFN8              | NCP81074B        |

CP*          | DFN8              | NCP81151B        |

CR*          | DFN8              | NCP81258         |

CR*          | DFN8              | NCP81258H        |

L3E          | DFN8              | ADP3110A         |

L3C          | DFN8              | ADP3120A         |

V71A         | MSOP-8            | NCV81071AZR2G    |

V71B         | MSOP-8            | NCV81071BZR2G    |

V71C         | MSOP-8            | NCV81071CZR2G    |

CLICK HERE DOWNLOAD MORE IC MARKING CODE

IC marking codes are alphanumeric identifiers printed on integrated circuits (ICs) to convey important details such as the part number, manufacturer, date code, lot number, and other specifications. Since space is limited on small chips, manufacturers often use abbreviated codes instead of full part numbers.

How to Decode IC Marking Codes

1. Identify the Manufacturer

   • Many ICs have a logo or an abbreviation for the manufacturer (e.g., TI for Texas Instruments, ST for STMicroelectronics, NXP for NXP Semiconductors).

   • You can compare the logo with known manufacturer logos to determine the brand.

2. Read the Part Number

   • The most prominent alphanumeric code is often the part number or a shortened version of it.

   • Example:

     • LM358 (Operational Amplifier, Texas Instruments)

     • ATMEGA328P (Microcontroller, Microchip Technology)

3. Check for Date and Batch Codes

   • Some markings include a four-digit date code (e.g., "2345" → 45th week of 2023).

   • Other markings may include lot numbers for tracking production batches.

4. Use Online Databases & Datasheets

   • Websites like datasheets.com, Octopart, Digikey, Mouser, and Findchips can help decode marking codes.

   • Some manufacturers provide their own IC marking code lookup tools on their websites.