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SN74HC191N The Texas Instruments SN74HC191N is a 4-bit synchronous, reversible, up/down binary counter IC. It operates from 2V to 6V and has an operating temperature range of -40°C to 85°C.
Mfr Part #:

SN74HC191N

Available from 3 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments SN74HC191N is a 4-bit synchronous, reversible, up/down binary counter IC. It operates from 2V to 6V and has an operating temperature range of -40°C to 85°C.
✓ Total Stock: 57 pcs
$ Price Range: $0.50

SN74HC191N Available from 3 distributors

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✓ Non-Authorised
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SN74HC191N Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Count Rate
Direction
Frequency
Logic Type
Mounting Type
Number of Bits per Element
Number of Elements
Operating Temperature
Propagation Delay
Supplier Device Package
Timing
Trigger Type
Voltage
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SN74HC191N Description

Short technical summary and product information.

The SN74HC191N from Texas Instruments is a 4-bit synchronous, reversible, up/down binary counter. This integrated circuit is designed to eliminate output counting spikes often associated with asynchronous counters. It features a positive edge clock trigger and operates within a voltage range of 2V to 6V.

 

The device is suitable for applications requiring precise counting in both ascending and descending directions. Its synchronous operation ensures stable output transitions. The counter IC is packaged in a 16-PDIP format and is designed for through-hole mounting.

 

Key electrical characteristics include a maximum operating frequency of 19MHz and a propagation delay of 330ns. The operating temperature range is from -40°C to 85°C, making it suitable for a variety of environmental conditions. The SN74HC191N is a versatile component for digital logic designs.

SN74HC191N Quick Information

Product Type: Counter IC
Series: 74HC
Canonical Name: SN74HC191N 4-Bit Synchronous Reversible Up/Down Binary Counter IC
Subcategory: Binary Counter

SN74HC191N Compliance

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

SN74HC191N Estimated Pricing

Qty Low High
1+ $0.50 $0.50

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

SN74HC191N Features

  • 4-bit synchronous up/down binary counter.
  • Positive edge clock trigger operation.
  • Wide operating voltage from 2V to 6V.
  • Operates from -40°C to 85°C.
  • Through-hole mounting in PDIP package.

SN74HC191N Applications

  • Digital control systems.
  • Frequency division circuits.
  • Sequence generation.
  • Counting applications.

SN74HC191N FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the SN74HC191N?

The SN74HC191N operates over a supply voltage range of 2V to 6V, with a specified nominal value of 5V.

What package does the SN74HC191N come in?

The SN74HC191N is available in a 16-pin PDIP (16-DIP) through-hole package.

What is the operating temperature range of the SN74HC191N?

The SN74HC191N operates from -40°C to 85°C.

What logic function does the SN74HC191N perform?

The SN74HC191N is a 4-bit binary counter with up/down counting.

Is the SN74HC191N a synchronous counter?

Yes, it is a synchronous counter that triggers on the positive edge of the clock.

What is the maximum count rate of the SN74HC191N?

The maximum count rate is 24MHz.

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