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SN74ALS688NS The Texas Instruments SN74ALS688NS is an 8-bit identity comparator designed for comparing two 8-bit binary or BCD words. It features totem-pole outputs and operates over a temperature range of 0°C to 70°C.
Mfr Part #:

SN74ALS688NS

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments SN74ALS688NS is an 8-bit identity comparator designed for comparing two 8-bit binary or BCD words. It features totem-pole outputs and operates over a temperature range of 0°C to 70°C.
✓ Total Stock: 5 pcs
$ Price Range: $0.50

SN74ALS688NS Available from 1 distributor

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✓ Non-Authorised
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PROSOFT ELECTRONICS ✓
Non-Authorised Inventory information
5 pcs
On Request
5 pcs On Request 1 On Request On Request 00G/ On Request On Request
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SN74ALS688NS Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current
Industrial Grade
Max Propagation Delay @ V, Max CL
Medical Grade
Military Grade
Mounting Type
Number of Bits
Operating Temperature
Output
Output Function
Supplier Device Package
Type
Voltage
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SN74ALS688NS Description

Short technical summary and product information.

The SN74ALS688NS from Texas Instruments is an 8-bit identity comparator. This device is capable of comparing two 8-bit binary or BCD words, providing a P = Q output. It features totem-pole outputs for efficient signal driving.

 

Key electrical characteristics include an operating voltage range of 4.5V to 5.5V and a quiescent current of 19 mA. The maximum propagation delay is specified at 22ns at 5V with a 50pF load capacitance. The comparator operates within a temperature range of 0°C to 70°C.

 

Designed for surface mount applications, the SN74ALS688NS comes in a 20-SOIC package with dimensions of 0.209 inches width. Its functionality is similar to the 'ALS521 series, offering a reliable solution for digital comparison tasks in various electronic systems.

SN74ALS688NS Quick Information

Product Type: Identity Comparator
Series: SN74ALS
Canonical Name: Texas Instruments SN74ALS688NS 8-Bit Identity Comparator
Subcategory: Logic Comparators

SN74ALS688NS Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

SN74ALS688NS Estimated Pricing

Qty Low High
1+ $0.50 $0.50

Estimated market price range - modelled values for guidance only, not live distributor offers.

SN74ALS688NS Features

  • Compares two 8-bit binary or BCD words.
  • Provides totem-pole outputs.
  • Operates from 4.5V to 5.5V.
  • Surface mount in 20-SOIC package.
  • Maximum propagation delay of 22ns.

SN74ALS688NS Applications

  • Digital data comparison.
  • BCD word comparison.
  • Logic circuit design.
  • Embedded systems.

SN74ALS688NS FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the SN74ALS688NS?

4.5V to 5.5V.

What package is the SN74ALS688NS available in?

20-SOIC (20-SOIC with 0.209" width, 5.30mm).

What is the operating temperature range?

0°C to 70°C.

How many bits does the comparator handle?

8 bits.

What is the output function and type?

A=B output, active low with totem-pole outputs.

What is the maximum propagation delay?

22ns at 5V with 50pF load.

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