SN74HC161N Texas Instruments In Stock
SN74HC161N is a 4-bit synchronous binary counter with asynchronous clear by Texas Instruments, operating at 2V–6V with 74HC CMOS logic. Key specs: 4-bit counter, 74HC logic family, DIP-16 package, 25MHz typical clock frequency. From $0.1875, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- —
- Lifecycle
- ACTIVE
- Datasheet
- N/A
- Price
- From $0.1875(MOQ 1)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SN74HC161N?
- 4-bit synchronous binary counter with parallel load capability
- Asynchronous master reset (clear) for immediate initialization
- Wide supply voltage range: 2V to 6V for versatile system integration
- High-speed 74HC CMOS logic with low power consumption
- Through-hole DIP-16 package ideal for prototyping and breadboarding
What is SN74HC161N used for?
The SN74HC161N is widely used in digital counters, frequency dividers, and timing circuits in embedded systems and digital logic designs. It is commonly found in clock generators, address sequencers, and state machine implementations where a reliable 4-bit binary counter is required. Its broad supply voltage range and asynchronous clear feature also make it suitable for battery-powered devices and educational electronics projects.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
What are equivalent replacements for SN74HC161N?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the SN74HC161N and what does it do?
The SN74HC161N is a 4-bit synchronous binary counter from Texas Instruments. It counts from 0 to 15 in binary, supports synchronous parallel load, has an asynchronous active-low master reset, and operates across a supply voltage range of 2V to 6V at typical clock frequencies up to 25MHz.
What package type does the SN74HC161N use and is it breadboard-friendly?
The SN74HC161N comes in a 16-pin DIP (Dual In-line Package) through-hole package, making it fully breadboard-compatible and easy to hand-solder. This package is ideal for prototyping, laboratory experiments, and educational electronics projects.
What are common applications for the SN74HC161N?
Common applications include digital frequency dividers, clock generators, address counters in memory systems, state machine controllers, and binary counting circuits in microcontroller-based designs. Its synchronous operation ensures glitch-free counting transitions in timing-sensitive applications.
What is the supply voltage range of the SN74HC161N?
The SN74HC161N operates with a supply voltage (VCC) ranging from 2V to 6V, making it compatible with both 3.3V and 5V logic systems. This flexibility allows it to interface with a wide range of microcontrollers and FPGAs without additional level-shifting components.
Related Guides
CSD87313DMS Synchronous Buck Power Stage Design Guide
Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.
Aug 6, 2026
STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection
Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.
Aug 6, 2026
C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC
Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.
Aug 4, 2026
STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security
Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.
Aug 4, 2026
Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.7500 | $0.75 |
| 10+ | $0.5880 | $5.88 |
| 25+ | $0.5280 | $13.20 |
| 100+ | $0.4640 | $46.40 |
| 890+ | $0.1950 | $173.55 |
| 4104+ | $0.1875 | $769.50 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.”