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74HC688D

Name: 74HC688D
Rating: 4.7 (12 reviews)

Производитель
Мфр. Часть #74HC688D
Пакет
Лист данных
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Спецификации

Brand	Nexperia
Mounting Style	SMD/SMT
Package / Case	SOT-163
Product Type	Logic Comparators
Subcategory	Logic ICs
Product	Digital Comparators
Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 125 C
Unit Weight	0.033440 oz
Factory Pack Quantity:Factory Pack Quantity	38
Supply Voltage - Min	2 V
Supply Voltage - Max	6 V
Part # Aliases	74HC688D,652
Supply Current - Max	70 mA
Operating Supply Voltage	2 V to 6 V
Shipping Restrictions	Mouser does not presently sell this product in your region.
Low Level Output Current	5.2 mA
Polarity	Inverting
Propagation Delay Time	170 ns, 34 ns, 29 ns
High Level Output Current	5.2 mA
Comparator Type	Identity
Number of Bits	8 bit
Logic Function	A = B
Output Type	Active Low
Ib - Input Bias Current	8 uA
Input Voltage Range	2 V to 6 V
Response Time	16 ns

Обзор

Description

The 74HC688D is a high-speed CMOS 8-bit magnitude comparator from the 74HC logic family. It is used to compare two 8-bit binary numbers and determine if they are equal. The device has two 8-bit data inputs, designated as A and B, and an active-low enable input (E\*). The output is also active-low and is labeled as EQ\*.
When the enable input is low, the comparator checks if the binary values on inputs A and B are identical. If they are equal, the EQ\* output will be low, indicating a match. If there is any discrepancy between the two inputs, the output remains high. The 74HC688D is commonly used in digital circuit applications where equality comparison is needed, such as in address decoding or data validation within microprocessor systems.
The device operates within a wide voltage range and offers high noise immunity due to its CMOS technology. It is available in various package types, including the SO16 package, making it suitable for compact circuit designs.

Package

The 74HC688D is a high-speed CMOS 8-bit magnitude comparator IC. The package type for the 74HC688D is typically a surface-mount SOIC (Small Outline Integrated Circuit) package.

Manufacturer

The 74HC688D is manufactured by Nexperia, a semiconductor company. Nexperia specializes in the production of discrete components, logic devices, and MOSFETs. The company is known for its focus on efficiency and performance, providing essential components widely used in automotive, industrial, computing, and consumer electronics applications. Nexperia was formerly part of NXP Semiconductors and became an independent entity in 2017.

Application

The 74HC688D is an 8-bit magnitude comparator used in digital systems for comparing two binary values. Its primary application areas include digital signal processing, microprocessor/microcontroller interfacing, data sorting and ordering, memory address decoding, and implementing decision logic in control systems. It is commonly used in circuits requiring efficient comparison operations, like those in communication systems, computer hardware, and embedded systems.

Equivalent

The 74HC688D is an 8-bit magnitude comparator. Equivalent products include the SN74HC688 from Texas Instruments, the CD74HC688 from Texas Instruments, the MC74HC688 from ON Semiconductor, and the NTE74HC688 from NTE Electronics. Always check datasheets to ensure compatibility in terms of voltage, speed, and package type.

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