SN74HC688DW

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SN74HC688DW

IC COMPARATOR IDENTITY 8B 20SOIC

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仕様

Package Bulk,Tube
Series 74HC
ProductStatus Active
Type Identity Comparator
NumberofBits 8
Output Active Low
OutputFunction A=B
Voltage-Supply 2V ~ 6V
Current-OutputHighLow 5.2mA, 5.2mA
MaxPropagationDelay@VMaxCL 36ns @ 6V, 50pF
Current-Quiescent(Iq) 8 µA
OperatingTemperature -40°C ~ 85°C
Package/Case 20-SOIC (0.295, 7.50mm Width)
SupplierDevicePackage 20-SOIC

概要

Description

The SN74HC688DW is a high-speed, 4-bit priority encoder integrated circuit from Texas Instruments. It encodes four input signals into a binary representation, providing a 2-bit output based on the highest priority input that is active. The device operates in the HC (High-Speed CMOS) family, ensuring low power consumption and high-speed operation, with typical propagation delays of around 10 ns at 5V.
Key features include active-low outputs, a power supply range of 2V to 6V, and a wide operating temperature range (-40°C to 125°C). The SN74HC688DW also includes an active-low enable input, allowing for control of the encoder's operation. Its versatility makes it suitable for various applications, including data compression, signal routing, and digital communication systems.
This component is available in a surface-mount package (DW) for compact designs. Overall, the SN74HC688DW is a reliable choice for encoding applications where space and speed are critical.

Features

The SN74HC688DW is a high-speed, low-power, 4-bit comparator. Key features include:
1. Functionality: It performs equality comparison on two 4-bit inputs, producing a single output indicating whether the inputs are equal.
2. Temperature Range: Operates within a wide temperature range of -40°C to 125°C.
3. Supply Voltage: Compatible with a supply voltage of 2V to 6V, making it versatile for different applications.
4. High-Speed Operation: Offers fast propagation delays, typically around 6 ns at 5V.
5. Low Power Consumption: Consumes minimal static power, ensuring energy efficiency.
6. TTL Compatibility: Compatible with TTL logic levels, allowing seamless integration with other digital circuits.
7. Pin Configuration: 16-pin TSSOP (Thin Shrink Small Outline Package), facilitating compact designs.
8. Logic Functionality: Supports cascading for multi-bit comparisons.
These features make the SN74HC688DW suitable for applications in digital systems, microcontroller interfaces, and data processing tasks.

Package

The SN74HC688DW is packaged in a TSSOP (Thin Shrink Small Outline Package) with 20 pins.

Pinout

The SN74HC688DW is a 4-bit magnitude comparator with 16 pins. Its primary function is to compare two 4-bit binary numbers (A and B) and provide outputs indicating their equality or relative magnitude.
Pin Count: 16 pins
Key Functions:
- A and B Inputs (A0-A3, B0-B3): These are the 4-bit inputs for the two numbers being compared.
- Equality Output (E): This pin goes high if A equals B.
- Less Than Output (A < B): This pin goes high if A is less than B.
- Greater Than Output (A > B): This pin goes high if A is greater than B.
- Common Control Inputs (C0, C1): Control the comparison operation.
- Outputs (G, L, E): Indicate the results of the comparison.
The device operates on a wide range of supply voltages and is compatible with low-power CMOS logic, making it suitable for various digital applications.

Manufacturer

The SN74HC688DW is manufactured by Texas Instruments (TI), a leading global semiconductor company. Texas Instruments designs and produces a wide range of electronic components, including analog and digital semiconductors, embedded processors, and educational technology. Founded in 1930 and headquartered in Dallas, Texas, TI serves diverse industries such as automotive, industrial, communications, and consumer electronics. The company is known for its innovation and high-quality products, particularly in the field of integrated circuits (ICs) and microcontrollers. TI also focuses on providing solutions that improve energy efficiency and performance in electronic designs.

Application

The SN74HC688DW is a high-speed 8-bit arithmetic logic unit (ALU) used in various applications such as digital signal processing, microcontroller interfacing, data manipulation, and control systems. It performs arithmetic operations like addition and subtraction and logical functions like AND, OR, and XOR. Common areas include computer architecture, embedded systems, and robotics, where efficient computation and data handling are essential.

Equivalent

The SN74HC688DW is a high-speed CMOS 4-bit comparators. Equivalent products include:
1. 74HC688 (DIP version)
2. MC74HC688A (Motorola)
3. CD688 (National Semiconductor)
Check datasheets for specific features and pin configurations, as some may vary slightly in specifications.

出荷

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出荷料参照（DHL/FedEx）:

DHL の: 配送費は25ドル〜45ドル（0.5kg）の範囲で、推定配送時間は2〜5営業日です。

フェデックス: 配送費は25ドル〜40ドル（0.5kg）の範囲で、推定配送時間は3〜7営業日。

UPS の: 配送費は25ドル〜45ドル（0.5kg）の範囲で、推定配送時間は3〜7営業日。

TNT社: 配送費は25ドル〜65ドル（0.5kg）の範囲で、推定配送時間は3〜7営業日。

EMS: 配送料金は30〜50ドル（0.5kg）の範囲で、推定配送時間は7〜15営業日です。

登録航空郵便: 配送費は2〜4ドル（0.1kg）で、推定配送時間は5〜20営業日です。

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