• Model: NTE74LS290
  • Catalog #: 55051115

NTE74LS290 IC TTL Decade Counter (Divide by 2 & 5)

Details

$1.99

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(Online Only)

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Additional Information

  • Summary
  • Tech Specs
  • Reviews
The NTE74LS290 is a monolithic counter in a 14-lead plastic DIP-type package that contains four master-slave flip-flops and additional gating to provide a divide-by-two counter and a three-stage binary counter for which the count cycle length is divide-by-five. The NTE74LS290 has a gated zero reset and also contains gated set-to-nine inputs for use in BCD nine's complement applications. To use the maximum count length, the B input is connected to the QA output. The input count pulses are applied to input A and the outputs are as described in the appropriate function table. A symmetrical divide-by-ten count can be obtained by connecting the QD output to the A input and applying the input count to the B input which gives a divide-by-ten square wave at output QA.

Data Sheet
  • Absolute maximum ratings:
  • Supply voltage VCC: 7V
  • DC input voltage VIN:
    R inputs: 7V
    A and B inputs: 5.5V
  • Operating temperature range TA: 0°C to +70°C
  • Storage temperature range Tstg: −65°C to +150°C
  • Unless otherwise specified, all voltages are referenced to GND
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Shipping

Ships in 1-2 Business Days

Presentation Attributes

Storefront Attributes

Search Refinements

Shop Runner

Power Reviews

Battery Features

Capacity UOM

mAh

Rechargeable

No

Cleansing

Dimensions

Fulfillment

Package Height

0.50

Package Length

6.25

Package Width

3.70

General

Model

NTE74LS290

Product Type

Counters

Identification

Manufacturer Part Number

NTE74LS290

Surcharge

Legal

Merchandising

Inputs & Outputs

Miscellaneous Features

Operating Temperature UOM

° F

Supported Languages

English

Power Features

Docking station

No

Promo

Retail

Price

Remote Control Features

Warranty

0.00

0.00

Available RadioShack Service Plan

No

Warranty Labor UOM

days

Warranty Parts UOM

days

Root

Additional Features

Water-Resistant or Waterproofness Standard

No

Miscellaneous Features

Power Features

Print
 

Summary

The NTE74LS290 is a monolithic counter in a 14-lead plastic DIP-type package that contains four master-slave flip-flops and additional gating to provide a divide-by-two counter and a three-stage binary counter for which the count cycle length is divide-by-five. The NTE74LS290 has a gated zero reset and also contains gated set-to-nine inputs for use in BCD nine's complement applications. To use the maximum count length, the B input is connected to the QA output. The input count pulses are applied to input A and the outputs are as described in the appropriate function table. A symmetrical divide-by-ten count can be obtained by connecting the QD output to the A input and applying the input count to the B input which gives a divide-by-ten square wave at output QA.

Data Sheet
  • Absolute maximum ratings:
  • Supply voltage VCC: 7V
  • DC input voltage VIN:
    R inputs: 7V
    A and B inputs: 5.5V
  • Operating temperature range TA: 0°C to +70°C
  • Storage temperature range Tstg: −65°C to +150°C
  • Unless otherwise specified, all voltages are referenced to GND

Tech Specs

The NTE74LS290 is a monolithic counter in a 14-lead plastic DIP-type package that contains four master-slave flip-flops and additional gating to provide a divide-by-two counter and a three-stage binary counter for which the count cycle length is divide-by-five. The NTE74LS290 has a gated zero reset and also contains gated set-to-nine inputs for use in BCD nine's complement applications. To use the maximum count length, the B input is connected to the QA output. The input count pulses are applied to input A and the outputs are as described in the appropriate function table. A symmetrical divide-by-ten count can be obtained by connecting the QD output to the A input and applying the input count to the B input which gives a divide-by-ten square wave at output QA.

Data Sheet

Reviews