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CD54HCT688F The Texas Instruments CD54HCT688F is an 8-bit identity comparator designed for military applications. It operates within a voltage range of 4.5V to 5.5V and a wide temperature range.
Mfr Part #:

CD54HCT688F

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments CD54HCT688F is an 8-bit identity comparator designed for military applications. It operates within a voltage range of 4.5V to 5.5V and a wide temperature range.
✓ Total Stock: 20 pcs
$ Price Range: $12.70

CD54HCT688F Available from 1 distributor

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CD54HCT688F Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Lead Style
Max Propagation Delay @ V, Max CL
Military Grade
Mounting Type
Number of Bits
Operating Temperature
Output
Output Function
Supplier Device Package
Type
Voltage
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CD54HCT688F Description

Short technical summary and product information.

The CD54HCT688F from Texas Instruments is an 8-bit identity comparator, also known as a magnitude comparator. This component is rated for military applications, indicating its suitability for demanding environments. It features an operating voltage range of 4.5V to 5.5V and can function across a broad temperature spectrum from -55°C to 125°C.

 

The device offers an 8-bit comparison capability with an active low output function where A=B. Its propagation delay is specified at a maximum of 34ns at 4.5V with a 50pF load capacitance. The CD54HCT688F is available in a 20-CDIP through-hole package, measuring 0.300 inches (7.62mm) wide.

 

This comparator is designed for applications requiring precise digital signal comparison. Its robust specifications make it suitable for various industrial and military systems where reliability under extreme conditions is paramount. The through-hole mounting type simplifies integration into existing circuit designs.

CD54HCT688F Quick Information

Product Type: Comparator
Series: CD54HCT
Canonical Name: CD54HCT688F 8-Bit Identity/Magnitude Comparator
Subcategory: 8-Bit Identity/Magnitude Comparators (P=Q) with Enable

CD54HCT688F Compliance

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

CD54HCT688F Estimated Pricing

Qty Low High
1+ $12.70 $12.70

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

CD54HCT688F Features

  • 8-bit identity comparator with A=B output.
  • Military rated for demanding environments.
  • Wide operating voltage from 4.5V to 5.5V.
  • Extended temperature range: -55°C to 125°C.
  • Through-hole 20-CDIP package.

CD54HCT688F Applications

  • Digital signal comparison circuits.
  • Control systems requiring magnitude checks.
  • Military and industrial applications.
  • Embedded systems needing precise logic.

CD54HCT688F FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the CD54HCT688F?

4.5V to 5.5V.

What package is the CD54HCT688F available in?

20-CDIP (0.300", 7.62mm) ceramic dual in-line package.

What is the operating temperature range of the CD54HCT688F?

-55°C to 125°C.

What is the maximum propagation delay of the CD54HCT688F?

34ns at 4.5V and 50pF load.

What is the quiescent current of the CD54HCT688F?

8µA.

What logic technology does the CD54HCT688F use?

HCT (High-Speed CMOS with TTL-compatible inputs).

What is the military rating of the CD54HCT688F?

The device is a military-grade component.

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