NXP Semiconductors SN74HC
SN74HC variants from NXP Semiconductors
SN74HC 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.
- 10 distinct suffix patternsExamples: 02DR, 10DR, 132DBR, 175DBR, 257ANSR (+5 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 10 SN74HC 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 |
|---|---|---|---|---|---|---|
| SN74HC02DR | Quad 2-input NOR gate | NXP Semiconductors | Active | Compliant | In Stock | |
| SN74HC10DR | IC JK TYPE NEG TRG DUAL 14SOIC | NXP Semiconductors | Active | Compliant | In Stock | |
| SN74HC132DBR | Quad 2-input NAND Schmitt trigger | NXP Semiconductors | Active | Compliant | In Stock | |
| SN74HC175DBR | Flip Flop D-Type Bus Interface Pos-Edge 1-Element 16-Pin SO | NXP Semiconductors | Active | Compliant | In Stock | |
| SN74HC257ANSR | Integrated Circuits ICs--Logic IC Chips--Encoders, Decoders, Multiplexers & Demultiplexers | NXP Semiconductors | Active | Compliant | In Stock | |
| SN74HC257DR | Multiplexer 1-Element CMOS 3-ST 8-IN 16-Pin SO / IC QUAD 2-IN MUX 3-ST 16SOIC | NXP Semiconductors | Active | Compliant | In Stock | |
| SN74HC373NSR | Octal D-type transparent latch; 3-state | NXP Semiconductors | Active | Compliant | In Stock | |
| SN74HC374NE4 | IC FF D-TYPE SNGL 8BIT 20DIP / Flip Flop 1 Element D-Type 8 Bit Positive Edge 20-DIP (0.300", 7.62mm) | NXP Semiconductors | Active | Compliant | In Stock | |
| SN74HC393PWT | Counter/Divider Dual 4-Bit Binary UP 14-Pin TSSOP | NXP Semiconductors | Active | Compliant | In Stock | |
| SN74HC4040N | 12-stage binary ripple counter | NXP Semiconductors | Active | Compliant | In Stock |
Ordering Code Differences
How suffixes on SN74HC map to package, grade, and reel options.
How to Choose the Right SN74HC 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 SN74HC, 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 "SN74HC" — include the full suffix (e.g. 02DR, 10DR, 132DBR). RFQ with reel/tube preference and required date code.
Technical Specifications
Core parameters for SN74HC product family
Identity
Variant Parameters
Source SN74HC with Octatronics
Request stock confirmation, lead time, date code, and pricing for all 10 ordering variants from NXP Semiconductors. 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 SN74HC product family.