Logic forum - Recent Threads

TMUX182-SEP: Inquiry Regarding 3.3 V Operation of TMUX182MDYYTSEP and Alternative Recommendations

Bhakti Jena — Sat, 31 Oct 2026 06:56:37 GMT

Part Number: TMUX182-SEP

Hi Team,

I have a question regarding the TMUX182MDYYTSEP.

Can this device be operated with a 3.3 V supply instead of the specified 5 V minimum supply voltage (VDD - VSS)?

If not, could you please suggest an alternative part that can operate from a 3.3 V supply while providing functionality similar to the TMUX182-SEP? Specifically, we are looking for a device that supports bidirectional analog signals on the source (Sx) and drain (Dx) pins over the full signal range from VSS to VDD.

Thank you for your support.

Thanks & Regards,
Bhakti

SN54HC32-SP: Request for TID and SEL Data for SN54HC32-SP

Bhakti Jena — Fri, 30 Oct 2026 09:38:38 GMT

Part Number: SN54HC32-SP
Other Parts Discussed in Thread: SN54AC14-SP, SN54AC00-SP, SN54AC02-SP, SN54LVC646A-SP

Hi Team,

Could you please help us with the selection of the SN54HC32-SP part?

Additionally, could you please provide the following radiation performance data for the above-mentioned part number:

Total Ionizing Dose (TID)
Single Event Latch-Up (SEL)

Thank you for your support. I look forward to your response.

Thanks,

Bhakti

LSF0102: Raise/fall time<1ns one shot level shifter

Roger Lin — Fri, 30 Oct 2026 08:13:22 GMT

Part Number: LSF0102

Hi team,

Do we have 2bits 1.8 V-to-3.3 V level shifter with pulse regeneration that raise/fall time is below 1ns?

SN74LVC1G06: Troubleshoot SN74LVC1G06DBVR // S619609

Lucas Lim — Fri, 30 Oct 2026 06:51:33 GMT

Part Number: SN74LVC1G06

Good day TI team,

Our customer purchased a total 1000pcs of Part# SN74LVC1G06DBVR. They feedback that some electrical issue found on these received part. They have reported failure of driver IC SN74LVC1G06 on PCBAs. The reported failures include dim, flickering, or continuously ON LEDs, as well as non-functional LEDs. In all observed cases, replacing the IC restored normal LED operation, indicating that the SN74LVC1G06 may be the likely source of the issue.

Please review their response below.

Failure trend table: The table below summarizes the failure trends across receipts of three different PCBA part numbers. Although the PCBAs have different part numbers, they all use the same TI LED driver IC, SN74LVC1G06.

Could you please review the attached information with your technical team and help investigate the potential cause of these failures?

Part details:

Supplier PO: 029-GU721 // Shipped Qty: 943pcs // COO: CN // Date code: 2310+5 // Lot code: 3046775HFT

Supplier PO: 029-H7641 // Shipped Qty: 66pcs // COO: CN // Date code: 2311+5

Regards,

Lucas

Mouser Electronics, Inc.

SN74HCS365-Q1: SN74HCS365QPWRQ1 Functional Safety Infomration

Alec Fremier — Thu, 29 Oct 2026 20:47:31 GMT

Part Number: SN74HCS365-Q1

Do you have Functional Safety Information for SN74HCS365QPWRQ1? We are looking for detailed reliability data, specifically FIT rates and failure mode distributions

SN74ACT8541-Q1: What is the 'A' in orderable PN of SN74ACT8541QDGSRQ1.A stand for

?? ? — Thu, 29 Oct 2026 00:37:09 GMT

Part Number: SN74ACT8541-Q1

What is the difference between SN74ACT8541QDGSRQ1 and SN74ACT8541QDGSRQ1.A ?

SN74LVC74A: MSL

Gary SMITH — Wed, 28 Oct 2026 15:25:00 GMT

Part Number: SN74LVC74A

We have parts that the reel states MSL 1 but data sheets state MSL 2. We need to know for sure what the MSL is supposed to be.

SN74LVC1G14: Customer needs to provide the old version datasheet (Revision Z) of the SN74LVC1G14

Bruce Li — Wed, 28 Oct 2026 05:59:11 GMT

Part Number: SN74LVC1G14

Hi E2E Team,

Good day.
The customer needs the datasheet for the old version (Revision Z) of the SN74LVC1G14DBVR that can't be found on ti.com,
So, Could you please help to provide it ?
Thank you so much.

Snow case No. is CS3652175
Best Regards,
Bruce Li
X1114157@ti.com
Texas instruments | Customer Support Center

SN74LVC1G07: Customer needs to provide the old version datasheet (Revision AF) of the SN74LVC1G07

Bruce Li — Wed, 28 Oct 2026 05:55:45 GMT

Part Number: SN74LVC1G07

Hi E2E Team,

Good day.
The customer needs the datasheet for the old version (Revision AF) of the SN74LVC1G07DBVR that can't be found on ti.com,
So, Could you please help to provide it ?
Thank you so much.

Snow case No. is CS3652175
Best Regards,
Bruce Li
X1114157@ti.com
Texas instruments | Customer Support Center

SN74LVC1G04: Customer needs to provide the old version datasheet (Revision AE) of the SN74LVC1G04

Bruce Li — Wed, 28 Oct 2026 05:51:19 GMT

Part Number: SN74LVC1G04

Hi E2E Team,

Good day.
The customer needs the datasheet for the old version (Revision AE) of the SN74LVC1G04DBVR that can't be found on ti.com,
So, Could you please help to provide it ?
Thank you so much.

Snow case No. is CS3652175
Best Regards,
Bruce Li
X1114157@ti.com
Texas instruments | Customer Support Center

AWRL6888EVM-DOC-CERT: Data Return Timeout Error While Running InCabin_CPD Example

daehoon hong — Wed, 28 Oct 2026 02:07:04 GMT

Part Number: AWRL6888EVM-DOC-CERT

Hello,

I am currently testing the InCabin_CPD demo using an AWRL6843AOP device with the following configuration:

AWRL6843_aop_overhed_2row_classification.cfg

Previously, I encountered a timeout error. After trying again, I received the following error:

"Specified amount of data was not returned within the timeout period."

Could you please help me understand the possible cause of this error and suggest how to resolve it?

Also, please let me know if there are any firmware, configuration, or COM port settings that I should verify.

Thank you.

SN74LVC1G08: The plating problem of the pins

Suri Chen — Tue, 27 Oct 2026 09:34:57 GMT

Part Number: SN74LVC1G08

Hi Engineer,

I purchased the part of SN74LVC1G08DBVR.

All the parts have the same problem: the bent part of the pins doesn't have plating at the base of the package, exposing the underlying copper.

Coudl you help suggest is this normal?

Thanks,

Suri

CD74HC4051: Changes after PCN 20261012001.0

Pierre Belmonte — Tue, 27 Oct 2026 08:53:21 GMT

Part Number: CD74HC4051

Hello,

can you confirm me the changes on Form, Fit, Function, Quality or Reliability after the PCN 20261012001.0 concerning the 4 references CD74HC4051M96, SN74HC04DR, SN74HC590ADR and TLC555IDR ?

AWRL6888EVM-DOC-CERT: UniFlash Error When Flashing .appimage File on AWR6843AOPEVM

daehoon hong — Tue, 27 Oct 2026 06:43:06 GMT

Part Number: AWRL6888EVM-DOC-CERT
Other Parts Discussed in Thread: AWRL6844, AWR6843AOPEVM, UNIFLASH, AWR6843AOP, AWR6843, AWRL6844EVM

Hello,

I am testing the AWRL6844_InCabin_Demos with an AWR6843AOPEVM and encountered an error in UniFlash while flashing the .appimage file. Please refer to the attached screenshot for the error message.

I have previously flashed .bin files for other examples on the same board without any issues.

The main difference this time is that I am flashing an .appimage file instead of a .bin file.

Could you please help me identify the cause of this issue and provide guidance on how to resolve it?

Best regards,
Daehoon Hong

CD74HC221: CD74HC221 Pulse width calculation

nicolas chicheportiche — Tue, 27 Oct 2026 06:32:55 GMT

Part Number: CD74HC221
Other Parts Discussed in Thread: TPUL2G223

Hello

I'm currently reverse engineering an old design using the CD74HC221M96.

I'm looking for the pulse width value and tolerance, as it is an important matter for the design.

The datasheet curves give a very approximate value that is difficult to estimate.

The hardware setting for my design are: VCC=5V, Rx=2.37kohm, Cx=220pF.

Is it possible to provide corresponding equation or corresponding accurate graph ?

Thank you very much for the support.

Best Regards,

Nicolas

SN74ACT8541-Q1: SN74ACT8541-Q1 FIT & FMEA

?? ? — Tue, 27 Oct 2026 02:24:13 GMT

Part Number: SN74ACT8541-Q1

Hi Team,

As we are performing the Functional safety analysis, we require few details related to one your part number (SN74ACT8541-Q1)

Failure modes
FIT rate
Failure distribution

Please provide the requested details and if any Functional safety document for the requested part number (SN74ACT8541-Q1).

Thanks & Regards,

LM5118-Q1: Failure info for TI item LM5118Q1MHX/NOPB

Mark Saunders — Mon, 26 Oct 2026 22:13:33 GMT

Part Number: LM5118-Q1
Other Parts Discussed in Thread: LM5118, LM51770, LM5176

BAE System is requesting failure information in support of our hardware/system-level analysis for ISO 26262 compliance for TI item LM5118Q1MHX/NOPB.

We require FIT, failure mode, and failure mode distribution ratio data, and for complex or medium-complexity ICs we would also like any available DFMEA (Design Failure Mode and Effects Analysis), or FMEDA reports.

Thank you,

Mark Saunders

SN54ACT14: Replacement suggestion

Christopher Hill — Mon, 26 Oct 2026 19:52:19 GMT

Part Number: SN54ACT14
Other Parts Discussed in Thread: SN54AHC14

What is the significant difference between SN54ACT14 and SN54AHC14FK?

CD74HCT4046A: Request for Alternate Part for Obsolete PLL IC 74HCT9046APW,118

Santhosh K — Mon, 26 Oct 2026 11:25:45 GMT

Part Number: CD74HCT4046A

Hi Team,

We are currently using the PLL IC 74HCT9046APW,118 in our products. Since this part has become obsolete, we are looking for a suitable replacement with equivalent electrical, functional, and package specifications to ensure continuity of production without significant design changes.

We would appreciate your support in identifying a pin-to-pin compatible and functionally equivalent alternate part that meets the existing design requirements.

Please let us know if any additional technical details are required for the evaluation.

Thank you for your assistance.

Best regards,
Santhosh Kumar
Lead Engineer
HCLTech

SN74LV123A-Q1: Safety Information

Khai Nguyen — Mon, 26 Oct 2026 09:41:20 GMT

Part Number: SN74LV123A-Q1

Hi Team,

Could you please share for the SN74LV123ATPWRQ1 following safety information:

1. Failure rate regarding SN29500-2 https://www.i-q.de/iso-26262/sn-29500-norm

2. Failure mode distribution ISO26262-11-chapter 5.1.4 Failure modes of digital components

Best
Khai

TXU0304: TXU0304BQAR - P2P/DropIn Alternate

Philipp Tsekos — Mon, 26 Oct 2026 07:52:28 GMT

Part Number: TXU0304

Dear Team,

what is the closest alternative to TXU0304BQAR? Need to switch do to line down.

Could you please provide your suggestions and a comparative table with the orderable pn?

Thanks in advance!

SN74LVC1G08: Lower VIH with P2P Device

Francis Jiang — Mon, 26 Oct 2026 06:02:09 GMT

Part Number: SN74LVC1G08
Other Parts Discussed in Thread: SN74LV1T08

Hi Team,

Do we have a p2p device with VIH<1.8V under 3.3V Vcc condition? Customer did a wrong design and now noticed it.

BRs,

Francis

SN74ALVC245: Buffer with BGA package required

Aparna G J — Mon, 26 Oct 2026 05:21:45 GMT

Part Number: SN74ALVC245
Other Parts Discussed in Thread: SN74LVC245B

Please let us know if there are any buffers similar in functionality to SN74ALVC245, in BGA package.

TXG1041: Part Number TXG1041DBQR Marking Verification

Troy Haida — Fri, 23 Oct 2026 15:30:12 GMT

Part Number: TXG1041

Hello,

Regarding part number TXG1041DBQR has the part marking changed and do you have a PCN regarding this?

Part marking lookup indicates part should be marked TXG141 as well as the datasheet. However parts are actually marked TXG841.

www.ti.com/.../partlookup.tsp
TI's part marking search does not identify TXG841

SN74ACT244: Selection of SN74ACT244 Device

ian wu — Fri, 23 Oct 2026 14:29:35 GMT

Part Number: SN74ACT244

hi expert

The output characteristic manual of the device SN74ACT244 only indicates the typical values at 25℃. Could you please explain how the output characteristics change within the entire temperature range from -40 to 85℃?
We need relevant indicators of the output characteristics over the entire temperature range, and perform calculations to ensure that the design of the subsequent driver can meet the design standards over the entire temperature range.

Will the driving current of 24mA change as the temperature rises?