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SN74ALS109AD The SN74ALS109AD from Texas Instruments is a dual J-K positive-edge-triggered flip-flop. It operates with a voltage range of 4.5V to 5.5V and features a clock frequency of up to 34 MHz.
Mfr Part #:

SN74ALS109AD

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The SN74ALS109AD from Texas Instruments is a dual J-K positive-edge-triggered flip-flop. It operates with a voltage range of 4.5V to 5.5V and features a clock frequency of up to 34 MHz.
✓ Total Stock: 275 pcs
$ Price Range: $0.77

SN74ALS109AD Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
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275 pcs
On Request
275 pcs On Request 1 On Request On Request 10+ On Request On Request
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SN74ALS109AD Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Frequency
Current
Function
Max Propagation Delay @ V, Max CL
Mounting Type
Number of Bits per Element
Number of Elements
Operating Temperature
Output Type
Supplier Device Package
Trigger Type
Type
Voltage
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SN74ALS109AD Description

Short technical summary and product information.

The Texas Instruments SN74ALS109AD is a dual J-K positive-edge-triggered flip-flop designed for digital logic applications. Each flip-flop features independent set (preset) and reset inputs. When the preset and clear inputs are inactive, data at the J and K inputs is transferred to the outputs on the positive-going edge of the clock pulse.

 

This device operates within a voltage range of 4.5V to 5.5V and supports a clock frequency of up to 34 MHz. The maximum propagation delay is 18ns at 5V and 50pF. It is characterized for operation from 0°C to 70°C.

 

The SN74ALS109AD is available in a 16-SOIC package and is surface-mount compatible. Its versatile design allows it to function as toggle flip-flops or D-type flip-flops by tying the J and K inputs together. This makes it suitable for various sequential logic circuits requiring reliable flip-flop functionality.

SN74ALS109AD Quick Information

Product Type: Flip Flop
Series: 74ALS
Canonical Name: Texas Instruments SN74ALS109AD Dual J-K Positive-Edge-Triggered Flip-Flop
Subcategory: JK Flip-Flop

SN74ALS109AD Compliance

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

SN74ALS109AD Estimated Pricing

Qty Low High
1+ $0.77 $0.77

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

SN74ALS109AD Features

  • Dual J-K positive-edge-triggered flip-flops.
  • Operates from 4.5V to 5.5V supply.
  • 34 MHz maximum clock frequency.
  • 18ns maximum propagation delay.
  • Available in 16-SOIC package.

SN74ALS109AD Applications

  • Used in sequential logic circuits.
  • Suitable for toggle flip-flop configurations.
  • Can function as D-type flip-flops.
  • Digital system design applications.

SN74ALS109AD FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the SN74ALS109AD?

4.5V to 5.5V.

What is the package type of the SN74ALS109AD?

16-SOIC (0.154", 3.90mm Width).

What is the operating temperature range?

0°C to 70°C (TA).

What is the clock frequency of this flip-flop?

34 MHz maximum.

What is the propagation delay?

18ns maximum at 5V, 50pF.

What is the trigger type?

Positive edge triggered.

Does this device have complementary outputs?

Yes, the output type is complementary.

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