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SN74ALS161BN The Texas Instruments SN74ALS161BN is a 4-bit synchronous binary counter. It operates with a voltage range of 4.5V to 5.5V and has an operating temperature range of 0°C to 70°C.
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SN74ALS161BN

Available from 3 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments SN74ALS161BN is a 4-bit synchronous binary counter. It operates with a voltage range of 4.5V to 5.5V and has an operating temperature range of 0°C to 70°C.
✓ Total Stock: 3,850 pcs
$ Price Range: $0.72

SN74ALS161BN Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
3,600 pcs
On Request
3600 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
215 pcs
On Request
215 pcs On Request 1 On Request On Request 09+ On Request On Request
Partservice ✓
Non-Authorised Inventory information
35 pcs
On Request
35 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

SN74ALS161BN Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Count Rate
Direction
Features
Function
Input Type
Logic Type
Mounting Type
Number of Bits per Element
Number of Elements
Operating Temperature
Output Type
Reset
Supplier Device Package
Timing
Trigger Type
Voltage
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SN74ALS161BN Description

Short technical summary and product information.

The Texas Instruments SN74ALS161BN is a 4-bit synchronous binary counter designed for high-speed counting applications. It features a bipolar input type and a push-pull output type, operating within a voltage range of 4.5V to 5.5V.

 

This counter operates synchronously, meaning all flip-flops are clocked simultaneously, eliminating output counting spikes common in asynchronous counters. It has an asynchronous clear function and is fully programmable, allowing it to be preset to any number. The device is suitable for applications requiring precise counting and sequencing.

 

Packaged in a 16-PDIP through-hole configuration, the SN74ALS161BN has an operating temperature range of 0°C to 70°C. Its internal look-ahead circuitry facilitates fast counting, and a carry output is available for cascading multiple devices to create n-bit counters.

SN74ALS161BN Quick Information

Product Type: Binary Counter
Series: SN74ALS161B
Canonical Name: Texas Instruments SN74ALS161BN Synchronous 4-Bit Binary Counter
Subcategory: Binary Counter

SN74ALS161BN Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

SN74ALS161BN Estimated Pricing

Qty Low High
1+ $0.72 $0.72

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

SN74ALS161BN Features

  • Synchronous 4-bit binary counter.
  • Operates from 4.5V to 5.5V.
  • Temperature range 0°C to 70°C.
  • Through-hole mounting package.
  • Asynchronous clear function.

SN74ALS161BN Applications

  • Frequency division in digital circuits.
  • Event counting in industrial instrumentation.
  • Timing generation in control systems.
  • Up counter in synchronous logic designs.
  • High-speed counting in communication equipment.

SN74ALS161BN FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the SN74ALS161BN?

The operating voltage range is 4.5 V to 5.5 V.

What package is the SN74ALS161BN available in?

It comes in a 16-DIP (16-PDIP) through-hole package.

What is the operating temperature range of the SN74ALS161BN?

The operating temperature range is 0°C to 70°C.

What is the count rate of the SN74ALS161BN?

The count rate is 40 MHz.

What trigger type does the SN74ALS161BN use?

It uses positive edge triggering.

Does the SN74ALS161BN have an asynchronous reset?

Yes, it has an asynchronous reset.

How many bits does the SN74ALS161BN have?

It is a 4-bit counter.

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