SN74LS109ADR The Texas Instruments SN74LS109ADR is a dual J-K positive-edge-triggered flip-flop. It operates at up to 30 MHz with a supply voltage of 4.75V to 5.25V.
Mfr Part #:

SN74LS109ADR

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments SN74LS109ADR is a dual J-K positive-edge-triggered flip-flop. It operates at up to 30 MHz with a supply voltage of 4.75V to 5.25V.
✓ Total Stock: 203,210 pcs
$ Price Range: $0.71

SN74LS109ADR Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
200,000 pcs
200000 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
3,210 pcs
3210 pcs On Request 1 On Request On Request 00+ On Request On Request

SN74LS109ADR Specifications Quick View

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

SN74LS109ADR Description

Short technical summary and product information.

The SN74LS109ADR from Texas Instruments is a dual J-K positive-edge-triggered flip-flop integrated circuit. This component features independent flip-flops with preset and clear functions, allowing for direct set or reset operations regardless of other inputs. When preset and clear are inactive, data at the J and K inputs are transferred to the outputs on the positive-going edge of the clock pulse.

 

Key electrical specifications include a maximum clock frequency of 30 MHz and a typical supply current of 15000 µA. The device operates within a voltage range of 4.75V to 5.25V and can source/sink up to 8 mA and -0.4 mA respectively. The maximum propagation delay is rated at 40ns at 5V with a 15pF load capacitance.

 

Designed for surface mounting, the SN74LS109ADR comes in a 16-SOIC package with dimensions of 0.154 inches (3.90mm width). The operating temperature range is from 0°C to 70°C (TA). This flip-flop can be configured as a toggle flip-flop by grounding the K input and tying the J input high, or as a D-type flip-flop if J and K are tied together, offering design flexibility.

SN74LS109ADR Quick Information

Product Type: Flip Flop
Series: SN74LS109A
Canonical Name: Texas Instruments SN74LS109ADR Dual J-K Positive-Edge-Triggered Flip-Flop with Clear and Preset
Subcategory: Flip-Flops

SN74LS109ADR Compliance

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

SN74LS109ADR Estimated Pricing

Qty Low High
1+ $0.71 $0.71

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

SN74LS109ADR Features

  • Dual J-K positive-edge-triggered flip-flops.
  • Includes independent preset and clear functions.
  • Maximum clock frequency of 30 MHz.
  • Surface mountable in a 16-SOIC package.
  • Operates from 0°C to 70°C.

SN74LS109ADR Applications

  • Used in digital logic circuits.
  • Suitable for state machine designs.
  • Can be used for data storage.
  • Applicable in control systems.

SN74LS109ADR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage for the SN74LS109ADR?

The SN74LS109ADR operates within a voltage range of 4.75V to 5.25V.

What is the package type for the SN74LS109ADR?

The SN74LS109ADR is supplied in a 16-SOIC package.

What is the operating temperature range of the SN74LS109ADR?

The operating temperature range for the SN74LS109ADR is 0°C to 70°C (TA).

What is the RoHS status of the SN74LS109ADR?

The SN74LS109ADR is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for the SN74LS109ADR?

The Moisture Sensitivity Level (MSL) for the SN74LS109ADR is 1 Unlimited.

What is the maximum clock frequency for the SN74LS109ADR?

The maximum clock frequency for the SN74LS109ADR is 30 MHz.

What is the maximum propagation delay of the SN74LS109ADR?

The maximum propagation delay is 40ns at 5V with a 15pF load capacitance.

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