SN74LS390NS The Texas Instruments SN74LS390NS is a dual 4-bit decade counter. It operates with a supply voltage range of 4.75V to 5.25V and has a maximum count rate of 35 MHz.
Mfr Part #:

SN74LS390NS

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments SN74LS390NS is a dual 4-bit decade counter. It operates with a supply voltage range of 4.75V to 5.25V and has a maximum count rate of 35 MHz.
Total Stock: 90,400 pcs
$ Price Range: $0.50

SN74LS390NS 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
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90,400 pcs
90400 pcs On Request 1 On Request On Request On Request On Request On Request

SN74LS390NS Specifications Quick View

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

SN74LS390NS Description

Short technical summary and product information.

The Texas Instruments SN74LS390NS is a dual 4-bit decade counter belonging to the 74LS series. This integrated circuit is designed for counting applications, featuring two independent decade counters within a single package.

 

Key electrical specifications include an operating voltage range of 4.75V to 5.25V and a maximum count rate of 35 MHz. The counter operates with a negative edge trigger and supports asynchronous reset functionality. Its operating temperature range is from 0°C to 70°C (TA).

 

The SN74LS390NS is housed in a 16-SOIC surface mount package, with dimensions of 0.209 inches (5.30mm) in width. This mounting type is suitable for automated assembly processes.

 

Environmental compliance includes RoHS3 compliance, an MSL of 1 (Unlimited), and REACH Unaffected status. These attributes are important for manufacturing and regulatory considerations.

SN74LS390NS Quick Information

Product Type: Counter, Decade
Series: 74LS
Canonical Name: Texas Instruments SN74LS390NS Dual 4-Bit Decade Counter
Subcategory: Decade Counter

SN74LS390NS Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: No

SN74LS390NS Estimated Pricing

Qty Low High
1+ $0.50 $0.50

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

SN74LS390NS Features

  • Dual 4-bit decade counter.
  • Maximum count rate of 35 MHz.
  • Wide operating voltage range.
  • Surface mount 16-SOIC package.
  • RoHS3 compliant.

SN74LS390NS Applications

  • Dual decade counting in 4-bit blocks
  • Frequency division up to 35 MHz
  • Asynchronous reset for counter control
  • Negative edge triggered operation

SN74LS390NS FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the SN74LS390NS?

The SN74LS390NS operates from 4.75V to 5.25V.

What is the operating temperature range of the SN74LS390NS?

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

What package does the SN74LS390NS come in?

The SN74LS390NS comes in a 16-SOIC (0.209", 5.30mm Width) surface-mount package.

What is the count rate of the SN74LS390NS?

The maximum count rate is 35 MHz.

Does the SN74LS390NS have a reset function?

Yes, it has an asynchronous reset.

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