74HC14D,653 Integrated Circuits (ICs) |
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Allicdata Part #: | 1727-2783-2-ND |
Manufacturer Part#: |
74HC14D,653 |
Price: | $ 0.06 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Nexperia USA Inc. |
Short Description: | IC INVERTER SCHMITT 6CH 14SO |
More Detail: | Inverter IC 6 Channel Schmitt Trigger 14-SO |
DataSheet: | 74HC14D,653 Datasheet/PDF |
Quantity: | 277500 |
2500 +: | $ 0.04976 |
5000 +: | $ 0.04478 |
12500 +: | $ 0.03980 |
25000 +: | $ 0.03732 |
62500 +: | $ 0.03309 |
125000 +: | $ 0.03185 |
Specifications
Series: | 74HC |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Logic Type: | Inverter |
Number of Circuits: | 6 |
Number of Inputs: | 6 |
Features: | Schmitt Trigger |
Voltage - Supply: | 2 V ~ 6 V |
Current - Quiescent (Max): | 2µA |
Current - Output High, Low: | 5.2mA, 5.2mA |
Logic Level - Low: | 0.3 V ~ 1.2 V |
Logic Level - High: | 1.5 V ~ 4.2 V |
Max Propagation Delay @ V, Max CL: | 21ns @ 6V, 50pF |
Operating Temperature: | -40°C ~ 125°C |
Mounting Type: | Surface Mount |
Supplier Device Package: | 14-SO |
Package / Case: | 14-SOIC (0.154", 3.90mm Width) |
Base Part Number: | 74HC14 |
Description
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The 74HC14D and 74HCT653 are both logic gates and inverters used for a variety of applications. In this article, we will delve into their respective application fields and working principles.
The 74HC14D
The 74HC14D is a high speed CMOS inverter designed to provide high noise immunity, low power consumption and improved noise performance. It is most commonly used for audio, video and other high-speed applications requiring noise immunity. The 74HC14D is specified for operation for supply voltage from 2V to 18V with a maximum voltage rating of 20V. Its architecture works in a way that the signals are fed into a single line in the chip, with the output signals at either high or low logic level depending on the input logic levels.The 74HCT653
The 74HCT653 is a CMOS quad 2-input multiplexer. It is commonly used for address decoding, which involves routing a group of signals to a single location in memory, or for multiplexing, which involves routing a single input to any of several outputs. The multiplexer takes two control inputs, a select (A0, A1) and a data (D0, D1). When the select input is 0, the output of the multiplexer is the same as the data inputs (D0, D1). When the select input is 1, the output of the multiplexer is the inverted data inputs (not-D0, not-D1). The power supply voltage of the 74HCT653 can range from 2V~25V.Working Principle
The 74HC14D and the 74HCT653 both employ CMOS (Complementary Metal-Oxide Semiconductor) technology. This type of design utilizes two transistor structures, one constructed from n-channel transistors and the other from p-channel transistors, in an effort to minimize power consumption without sacrificing speed. The 74HC14D uses a common-source n-channel MOSFET with Pull down resistors from the input/output to VDD. The MOSFET is configured in a way that increases the switching speed. When a high logic input is provided to the gate, the MOSFET turns off, allowing the voltage at the output to rise to the same level as VDD. When a low logic input is provided, the MOSFET turns on, pulling the output to VSS to reach a low logic level.The 74HCT653 is made up of four 2-input multiplexers. Each 2-input multiplexer contains four meta-stables with four inputs and two outputs. For example, when a logic high input is provided to the select (A0) while simultaneously putting a logic low on the data (D0), the multiplexer will output a logic high at the output. The multiplexers contain bistable elements inside, which allow them to remember individual output levels at each respective select/data combination. In conclusion, the 74HC14D and 74HCT653 are both reasonably reliable and appropriate for a variety of applications. They are designed to provide high noise immunity and low power consumption, while allowing for fast switching speeds.The specific data is subject to PDF, and the above content is for reference
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