TC74HC191AF The Toshiba TC74HC191AF is a 4-bit bidirectional binary counter IC. It operates with a supply voltage range of 2V to 6V and a maximum frequency of 52 MHz.
Mfr Part #:

TC74HC191AF

Available from 1 distributors
Mfr Name: Toshiba
Toshiba
The Toshiba TC74HC191AF is a 4-bit bidirectional binary counter IC. It operates with a supply voltage range of 2V to 6V and a maximum frequency of 52 MHz.
✓ Total Stock: 1,097 pcs

TC74HC191AF Available from 1 distributor

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
1,097 pcs
1097 pcs On Request 1 On Request On Request 0430+ On Request On Request

TC74HC191AF Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Lead Style
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Number of Bits
Operating Temperature
Operating Voltage
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Propagation Delay
Technology

TC74HC191AF Description

Short technical summary and product information.

The Toshiba TC74HC191AF is a 4-bit bidirectional binary counter integrated circuit from the HC/UH family. It features asynchronous load capability and positive edge triggering.

 

This logic IC operates within a supply voltage range of 2V to 6V, with a maximum operating frequency of 52 MHz and a propagation delay of 225 ns. The operating temperature range is from -40°C to 85°C.

 

The TC74HC191AF is housed in a PDSO-16 surface-mount package with a terminal pitch of 1.27 mm. Its bidirectional counting capability makes it suitable for various digital logic applications requiring up/down counting functionality.

TC74HC191AF Quick Information

Product Type: Binary Counter IC
Series: TC74HC
Canonical Name: Toshiba TC74HC191AF 4-Bit Bidirectional Binary Counter
Subcategory: Counters

TC74HC191AF Compliance

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

TC74HC191AF Features

  • 4-bit bidirectional binary counter IC
  • Operates from 2V to 6V supply voltage
  • Maximum frequency of 52 MHz
  • Wide operating temperature range
  • Surface mount PDSO-16 package

TC74HC191AF Applications

  • Digital logic systems
  • Counting and sequencing circuits
  • Frequency division applications
  • Control system modules

TC74HC191AF FAQs

7 frequently asked questions generated from this part’s specifications.
What is the package type of the TC74HC191AF?

The TC74HC191AF is offered in a SOP-16 (PDSO-16) surface mount package with 1.27 mm terminal pitch.

What is the operating voltage range of the TC74HC191AF?

The device operates from 2V to 6V.

What is the operating temperature range of the TC74HC191AF?

The operating temperature range is -40°C to 85°C.

Does the TC74HC191AF support bidirectional counting?

Yes, the counter is bidirectional and can count in both up and down directions.

What is the maximum operating frequency of the TC74HC191AF?

The maximum operating frequency is 52 MHz.

What type of triggering does the TC74HC191AF use?

The device uses positive edge triggering.

Does the TC74HC191AF have a load/preset input?

Yes, it has an asynchronous load input for parallel data loading.

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