74LS161 The 74LS161PC from National Semiconductor is a 4-bit binary counter IC. It features asynchronous reset and positive edge triggering, operating within a voltage range of 4.75V to 5.25V.
Mfr Part #:

74LS161

Available from 1 distributors
Mfr Name: Semiconductor Components
Semiconductor Components
The 74LS161PC from National Semiconductor is a 4-bit binary counter IC. It features asynchronous reset and positive edge triggering, operating within a voltage range of 4.75V to 5.25V.
✓ Total Stock: 112 pcs
$ Price Range: $0.50

74LS161 Available from 1 distributor

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✓ Non-Authorised
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74LS161 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Industrial Grade
Logic Type
Medical Grade
Military Grade
Mounting Type
Number of Elements
Operating Temperature
Reset
SVHC Present
Supplier Device Package
Voltage Supply

74LS161 Description

Short technical summary and product information.

The 74LS161PC is a 4-bit binary counter integrated circuit manufactured by National Semiconductor. This logic IC is designed for counting applications, featuring asynchronous reset capabilities and positive edge triggering.

 

Key electrical specifications include an operating voltage range of 4.75V to 5.25V and an operating temperature range of 0°C to 70°C. The counter is synchronous in its timing and operates as a single element with 4 bits per element.

 

Packaged in a 16-PDIP through-hole configuration, the 74LS161PC is suitable for various digital logic designs. Its RoHS status is non-compliant, and it has a Moisture Sensitivity Level (MSL) of 3 (168 Hours).

74LS161 Quick Information

Product Type: Counter IC
Series: 74LS
Canonical Name: 74LS161PC Binary Counter
Subcategory: Counters, Dividers

74LS161 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 3 (168 Hours)
REACH Status: Vendor Undefined

74LS161 Estimated Pricing

Qty Low High
1+ $0.50 $0.50

Estimated market price range - modelled values for guidance only, not live distributor offers.

74LS161 Features

  • 4-bit binary counter IC
  • Asynchronous reset capability
  • Positive edge triggering
  • Operates at 4.75V to 5.25V
  • 0°C to 70°C operating temperature

74LS161 Applications

  • Used in digital frequency counters.
  • Ideal for time delay generation.
  • Suitable for event counting circuits.
  • Applied in industrial control systems.

74LS161 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the 74LS161?

4.75 V to 5.25 V.

What package is the 74LS161 available in?

16-DIP (16-PDIP) through-hole package.

What is the operating temperature range of the 74LS161?

0°C to 70°C.

What is the logic type of the 74LS161?

Binary Counter.

How many bits does the 74LS161 counter have?

4 bits per element.

Does the 74LS161 have asynchronous reset?

Yes, it has asynchronous reset.

What is the trigger type of the 74LS161?

Positive edge.

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