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MM74HC191N The Texas Instruments MM74HC191N is a synchronous binary counter with a count rate of 40 MHz. It operates within a voltage range of 2V to 6V and has an operating temperature of -40°C to 85°C.
Mfr Part #:

MM74HC191N

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments MM74HC191N is a synchronous binary counter with a count rate of 40 MHz. It operates within a voltage range of 2V to 6V and has an operating temperature of -40°C to 85°C.
✓ Total Stock: 4,016 pcs
$ Price Range: $0.50

MM74HC191N Available from 2 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
4,000 pcs
On Request
4000 pcs On Request 1 On Request On Request On Request On Request On Request
Partservice ✓
Non-Authorised Inventory information
16 pcs
On Request
16 pcs On Request 1 On Request On Request On Request On Request On Request
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MM74HC191N Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Count Rate
Direction
Logic Type
Mounting Type
Number of Bits per Element
Number of Elements
Operating Temperature
Reset
Supplier Device Package
Timing
Trigger Type
Voltage
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MM74HC191N Description

Short technical summary and product information.

The Texas Instruments MM74HC191N is a versatile binary counter belonging to the HC/UH series logic family. It features synchronous operation with a maximum count rate of 40 MHz, making it suitable for various digital counting applications.

 

This counter operates across a wide supply voltage range of 2V to 6V and maintains functionality within an extended operating temperature range of -40°C to 85°C (TA). The device supports both up and down counting directions and features asynchronous reset capabilities.

 

Packaged in a 16-pin DIP (Dual In-line Package) with a 0.300-inch body width, the MM74HC191N is designed for through-hole mounting. Its robust specifications and reliable performance make it a solid choice for digital circuit designs requiring precise counting functions.

MM74HC191N Quick Information

Product Type: Binary Counter
Series: 74HC
Canonical Name: MM74HC191N Binary Counter
Subcategory: Counters

MM74HC191N Compliance

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

MM74HC191N Estimated Pricing

Qty Low High
1+ $0.50 $0.50

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

MM74HC191N Features

  • Synchronous 4-bit binary counter.
  • Operates from 2V to 6V supply.
  • Maximum count rate of 40 MHz.
  • Wide operating temperature range.
  • Through-hole mounting package.

MM74HC191N Applications

  • Used in frequency division circuits.
  • Ideal for event counting applications.
  • Suitable for timing and control systems.
  • Works in microcontroller interface designs.
  • Applied in digital instrumentation.

MM74HC191N FAQs

7 frequently asked questions generated from this part’s specifications.
What is the supply voltage range of the MM74HC191N?

2 V to 6 V.

What is the operating temperature range?

-40°C to 85°C.

What is the package type of the MM74HC191N?

16-DIP (0.300", 7.62mm) with supplier device package 16-PDIP.

What is the count rate of the MM74HC191N?

40 MHz.

What counting directions does the MM74HC191N support?

Up and Down.

What type of reset does the MM74HC191N have?

Asynchronous reset.

What is the trigger type of the MM74HC191N?

Positive edge triggered.

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