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Description
74 LS 151 - 8-Input Multiplexer TTL Logic ICThe 74LS151 HLF is a high speed 8 input digital multiplexer from the 74LS series. It is commonly used in digital circuits to select one of eight data sources and route it to a single output line. Built using low power Schottky TTL technology, this IC provides high speed operation while minimizing power consumption. Key Features High Speed Operation: Schottky diode clamping ensures faster switching speeds. 8 to 1 Multiplexer: Select one of eight inputs
The 74LS151 HLF is a high-speed 8-input digital multiplexer from the 74LS series. It is commonly used in digital circuits to select one of eight data sources and route it to a single output line. Built using low-power Schottky TTL technology, this IC provides high-speed operation while minimizing power consumption.
Key Features
- High-Speed Operation: Schottky diode clamping ensures faster switching speeds.
- 8-to-1 Multiplexer: Select one of eight inputs using three binary control inputs.
- Complementary Outputs: Provides both true (Z) and inverted (Z̅) outputs.
- On-Chip Select Logic Decoding: Simplifies circuit design.
- TTL Compatible: Designed for easy interfacing with TTL logic circuits.
Package Includes
- 1 x IC 74LS151 HLF - 8-Input Multiplexer TTL Logic IC
Specifications
- Model Number: 74LS151 HLF
- Logic Type: Multiplexer
- Number of Channels: 8
- Control Inputs: 3-bit select lines (S0, S1, S2)
- Output Type: True (Z) and Complement (Z̅)
- Supply Voltage (Vcc): 4.75V - 5.25V
- Input High Voltage (VIH): Min 2V
- Input Low Voltage (VIL): Max 0.8V
- Output High Voltage (VOH): Min 2.7V
- Output Low Voltage (VOL): Max 0.5V
- Propagation Delay: Approx. 15ns
- Operating Temperature: 0°C to +70°C
- Package Type: DIP-16 (Dual In-line Package)
Usage Instructions
- Pin Configuration: Connect the data inputs (I0-I7) to the corresponding signals, and use the select lines (S0, S1, S2) to control which input is routed to the output.
- Power Supply: Connect Vcc (Pin 16) to +5V and GND (Pin 8) to ground.
- Enable Input (E): Set to LOW to activate the multiplexer; setting HIGH disables the output.
- Output Handling: The selected input is transmitted to Z, while the complement is available at Z̅.
Datasheet
For more technical details, please refer to the official datasheet:
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4.7 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 5
Go Get It!
GoSports does it again.
Our family has a lot of GoSports products. It brings us comfort knowing when we order a product from them the quality is going to be great.
The Ball Launcher is excellent. Our lab loves the soft tennis balls that come with it, preferring them over the harder rubber ones from other brands.
The launcher itself is thoughtfully designed, well-made, and comfortable to hold.
Our new go-to for daily fetch sessions.
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Reviewed in the United States on November 15, 2025
★★★★★ 2
Gave it a Try
I have always used the Chuck It ball and ball launcher. I thought I would try this since the price was better. There is definitely a reason it is priced lower. The handle on this one twists on and constantly comes undone when you throw, and it does not launch nearly as well. I would not order this product again.
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Reviewed in the United States on May 26, 2026
★★★★★ 4
A few usability issues
My dog is obsessed with playing fetch. It’s part of our daily routine.
Pros
- I like that this comes with two launchers so we can keep one at home and one in the car.
- Build feels solid
Cons
- The cup is slightly too small for regular sized tennis balls. I buy the large Costco box of Penn tennis balls every couple of years for my dog. If you fully seat the ball in the cup/launching end, it’s extremely difficult to throw and puts some strain on your wrist. — the workaround is to only partially insert the ball when picking it up.
- Like others have stated, the launcher does come unscrewed occasionally after a few throws. It’s kind of annoying so I’ll likely try some thread lock, but ideally that wouldn’t be necessary.
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Reviewed in the United States on May 15, 2026
★★★★★ 5
Fun!!!
I can’t say enough good things about this tennis ball launcher! Roxy absolutely loves it. Every time I pick it up, her tail goes crazy with excitement. It’s so easy on my arm, and I love that it gives her a great way to burn off energy. The launcher is sturdy, well-made, and works like a charm. If you have a high-energy pup like Roxy, this is a must-have!
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Reviewed in the United States on May 21, 2026
★★★★★ 3
Fun along with frustration….
The product is good. The only problem is that the dark blue handle screws onto the lighter blue stick, and every 5-10 throws it comes unscrewed, and you have to screw them back tight. Maybe if they put a little bump in the handle and an indent on the handle so they could click into place it would work fine.
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Reviewed in the United States on May 27, 2026