Texas Instruments SNJ54HC
SNJ54HC variants from Texas Instruments
SNJ54HC Overview
What changes between part numbers, and what to check before you lock the BOM — Microcontrollers.
Key Features
- Lifecycle mix: ActiveConfirm lifecycle on the exact MPN, not just the base number prefix.
- 17 distinct suffix patternsExamples: 02FK, 153FK, 153J, 161FK, 161J (+12 more). Decode suffix meaning in the ordering notes under the variant table.
Target Applications
- Microcontrollers — design-in and field replacement
- BOM scrub where only the base prefix is known but suffix is TBD
- Second-source checks when the original MPN is constrained
Ordering Variants
Compare 17 SNJ54HC part numbers by package, electrical parameters, lifecycle, and availability. Use RFQ for stock and lead-time confirmation.
| Part Number | Description | Manufacturer | Lifecycle | RoHS | Availability | Action |
|---|---|---|---|---|---|---|
| SNJ54HC02FK | Quadruple 2-Input Positive-NOR Gates 20-LCCC -55 to 125 | Texas Instruments | Active | Compliant | In Stock | |
| SNJ54HC153FK | Dual 4-Line To 1-Line Data Selectors/Multiplexers 20-LCCC -55 to 125 | Texas Instruments | Active | Compliant | In Stock | |
| SNJ54HC153J | Dual 4-Line To 1-Line Data Selectors/Multiplexers 16-CDIP -55 to 125 | Texas Instruments | Active | Compliant | In Stock | |
| SNJ54HC161FK | Synchronous 4-Bit Binary Counters 20-LCCC -55 to 125 | Texas Instruments | Active | Compliant | In Stock | |
| SNJ54HC161J | Synchronous 4-Bit Binary Counters 16-CDIP -55 to 125 | Texas Instruments | Active | Compliant | In Stock | |
| SNJ54HC163J | Synchronous 4-Bit Binary Counters 16-CDIP -55 to 125 | Texas Instruments | Active | Compliant | In Stock | |
| SNJ54HC164J | 8-Bit Parallel-Out Serial Shift Registers 14-CDIP -55 to 125 | Texas Instruments | Active | Compliant | In Stock | |
| SNJ54HC166J | Parallel-Load 8-Bit Shift Registers 16-CDIP -55 to 125 | Texas Instruments | Active | Compliant | In Stock | |
| SNJ54HC193J | Synchronous 4-Bit Up/Down Binary Counters With Dual Clock And Clear 16-CDIP -55 to 125 | Texas Instruments | Active | Compliant | In Stock | |
| SNJ54HC20J | Dual 4-Input Positive-NAND Gates 14-CDIP -55 to 125 | Texas Instruments | Active | Compliant | In Stock | |
| SNJ54HC21J | Dual 4-Input Positive-AND Gates 14-CDIP -55 to 125 | Texas Instruments | Active | Compliant | In Stock | |
| SNJ54HC253J | Dual 4-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs 16-CDIP -55 to 125 | Texas Instruments | Active | Compliant | In Stock | |
| SNJ54HC27J | Triple 3-Input Positive-NOR Gates 14-CDIP -55 to 125 | Texas Instruments | Active | Compliant | In Stock | |
| SNJ54HC541FK | Military 8-ch, 2-V to 6-V buffers with 3-state outputs 20-LCCC -55 to 125 | Texas Instruments | Active | Compliant | In Stock | |
| SNJ54HC688FK | Identity Comparator 8-Bit Inverting 20-Pin CLLCC Tube | Texas Instruments | Active | Compliant | In Stock | |
| SNJ54HC74FK | Dual D-type Positive-Edge-Triggered Flip-Flops With Clear And Preset 20-LCCC -55 to 125 | Texas Instruments | Active | Compliant | In Stock | |
| SNJ54HC74J | Dual D-type Positive-Edge-Triggered Flip-Flops With Clear And Preset 14-CDIP -55 to 125 | Texas Instruments | Active | Compliant | In Stock |
Ordering Code Differences
How suffixes on SNJ54HC map to package, grade, and reel options.
How to Choose the Right SNJ54HC Microcontrollers
Match the footprint first
Pull the exact package drawing for your MPN — base-number swaps fail most often at the footprint, not the schematic.
Electrical headroom
Compare voltage and current columns in the variant table. For SNJ54HC, a suffix with lower voltage or current rating will not survive the same circuit without recalculation.
Temp grade letter matters
Commercial (0–70 °C) and industrial (−40–85 °C+) suffixes look similar in the prefix — confirm ambient + self-heating, not just the first page of the datasheet.
Copy the full MPN
Do not BOM only "SNJ54HC" — include the full suffix (e.g. 02FK, 153FK, 153J). RFQ with reel/tube preference and required date code.
Technical Specifications
Core parameters for SNJ54HC product family
Identity
Variant Parameters
Source SNJ54HC with Octatronics
Request stock confirmation, lead time, date code, and pricing for all 17 ordering variants from Texas Instruments. Our team supports active, EOL, and hard-to-find component sourcing.
- Original manufacturer parts with traceability options
- BOM upload and multi-line RFQ support
- Package, grade, and compliance verification
Frequently Asked Questions
Common technical questions about the SNJ54HC product family.