SKU: 34444457498

74LS109AN

Sale price$12.87 Regular price$14.30
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Description

74LS109ANDual J K Flip Flop with Inverted K Input, Positive Edge Triggered Specifications Function Set(Preset) and Reset Type JK Type Output Type Complementary Number of Elements 2 Number of Bits per Element 1 Clock Frequency 33 MHz Max Propagation Delay @ V, Max CL 40ns @ 5V, 15pF Trigger Type Positive Edge Current Output High, Low 400A, 8mA Voltage Supply 4. 75V ~ 5. 25V Current Quiescent (Iq) 8 mA Operating Temperature 0C ~ 70C (TA) Mounting Type Through

Dual J-K Flip-Flop with Inverted K Input, Positive-Edge-Triggered

Specifications

Function

Set(Preset) and Reset

Type

JK Type

Output Type

Complementary

Number of Elements

2

Number of Bits per Element

1

Clock Frequency

33 MHz

Max Propagation Delay @ V, Max CL

40ns @ 5V, 15pF

Trigger Type

Positive Edge

Current - Output High, Low

400µA, 8mA

Voltage - Supply

4.75V ~ 5.25V

Current - Quiescent (Iq)

8 mA

Operating Temperature

0°C ~ 70°C (TA)

Mounting Type

Through Hole

Supplier Device Package

16-PDIP

Package / Case

16-DIP (0.300", 7.62mm)

 

Additional Information

Device IC
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
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SKU: 34444457498

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4.1 ★★★★★
Based on 19 reviews
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Verified Purchase
Christina
Whiting, US
★★★★★ 5
Gentle on my skin and actually brightens. Saw changes around week three.
I picked this up because I wanted something that could help fade a few sun spots without irritating my skin. A lot of dark spot creams feel harsh or overly scented. This one feels rich, calming, and non-greasy, which made it easy to use every night. The texture is smooth and absorbs faster than I expected for a night cream. It doesn’t sit heavy on the skin or leave a film on the pillowcase. After about a week my skin felt more hydrated and even. Around the three week mark I noticed a real difference in brightness and in how even my cheek area looked. The darker spots are not gone, but they look softer and less defined. A few things that stood out: 1. No stinging or peeling which is rare for brightening products. 2. The moisture lasts through the night with no dryness the next morning. 3. Works well under other skincare like serums or retinol. 4. The fragrance is very light and fades quickly. It’s not an instant fix, and anyone expecting overnight results will be disappointed. But if you stick with it, it delivers steady improvement without stressing the skin. For the price, it performs better than some department store creams I have tried. If you want something that brightens tone, softens dark areas, and keeps your skin moisturized through the night, this is a solid option.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 14, 2025
B
Verified Purchase
Brenda Ortiz
Carnegie, US
★★★★★ 5
Very Good
Eucerin cream is an excellent skincare product, especially for dry and sensitive skin. It provides deep hydration and helps restore the skin’s natural barrier. It absorbs well without leaving a greasy feeling, making the skin soft and smooth. Many people notice improvements in skin dryness and irritation after using it regularly. It is also dermatologist-recommended, which makes it a trusted choice for daily skin care.
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Reviewed in the United States on April 21, 2026
D
Verified Purchase
doc
Bozeman, US
★★★★★ 5
Fantastic moisturizer for overnight. Quality and small amt used justifies the $$
Love this stuff! It goes on like silk, and is quickly absorbed. No greasiness. Just enough extra body from the daytime version to be moisturizing all night. As for the dark spot aspect, I don’t really have any spots to correct, therefore I can’t speak to it. This is just an incredible moisturizer for me that doesn’t clog my pores and isn’t greasy..
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Reviewed in the United States on April 17, 2026
L
Verified Purchase
Linda Berghoff
Natrona Heights, US
★★★★★ 5
Works well with the serum
Love the Radiant Tone line! Night cream penetrates well & is a great compliment to the serum.
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Reviewed in the United States on May 2, 2026
P
Verified Purchase
Prab
Charlottesville, US
★★★★★ 4
Works on dark spots
Seems to be working on dark spots! Have been using it on and off for 1 month.
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Reviewed in the United States on June 4, 2026

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