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SN74HC688DW The SN74HC688DW is an 8-bit identity comparator from Texas Instruments. It operates over a wide voltage range and is available in a surface-mount 20-SOIC package.
Mfr Part #:

SN74HC688DW

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The SN74HC688DW is an 8-bit identity comparator from Texas Instruments. It operates over a wide voltage range and is available in a surface-mount 20-SOIC package.
✓ Total Stock: 358 pcs
$ Price Range: $0.50

SN74HC688DW Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
232 pcs
On Request
232 pcs On Request 1 On Request On Request 13+ On Request On Request
Braun Electronic Components ✓
Non-Authorised Inventory information
126 pcs
On Request
126 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

SN74HC688DW Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Max Propagation Delay @ V, Max CL
Mounting Type
Number of Bits
Operating Temperature
Output
Output Function
Supplier Device Package
Supply Current
Type
Voltage
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SN74HC688DW Description

Short technical summary and product information.

The SN74HC688DW is an 8-bit identity comparator designed by Texas Instruments. This device performs comparisons of two 8-bit binary or BCD words. It features a wide operating voltage range from 2V to 6V, making it versatile for various applications.

 

Key electrical characteristics include low power consumption with a maximum ICC of 80 μA and a typical propagation delay of 14 ns. The outputs can drive up to 10 LSTTL loads and provide ±4 mA of output drive at 5V. Input current is also minimal, at 1 μA maximum.

 

This comparator is housed in a 20-SOIC surface-mount package, measuring 12.80 mm × 7.50 mm. The operating temperature range is -40°C to 85°C. An output-enable (OE) input is available to force the output to a high level.

 

Designed for applications requiring precise word comparison, the SN74HC688DW is suitable for digital systems where matching two 8-bit data sets is critical.

SN74HC688DW Quick Information

Product Type: Identity Comparator
Series: 74HC
Canonical Name: SN74HC688DW 8-Bit Identity Comparator
Subcategory: Logic

SN74HC688DW Compliance

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

SN74HC688DW Estimated Pricing

Qty Low High
1+ $0.50 $0.50

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

SN74HC688DW Features

  • Compares two 8-bit words.
  • Wide 2V to 6V operating voltage.
  • Low 80μA maximum supply current.
  • Typical 14ns propagation delay.
  • Surface mount 20-SOIC package.

SN74HC688DW Applications

  • Digital data comparison.
  • BCD word matching.
  • Logic level translation.
  • System control functions.

SN74HC688DW FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the SN74HC688DW?

The SN74HC688DW operates from 2V to 6V.

What is the operating temperature range of the SN74HC688DW?

The operating temperature range is -40°C to 85°C.

What package does the SN74HC688DW come in?

The SN74HC688DW is offered in a 20-SOIC surface-mount package with a body width of 7.50mm.

What is the typical propagation delay of the SN74HC688DW?

The typical propagation delay is 14ns.

What is the output type of the SN74HC688DW?

The output is active low (A=B).

What is the maximum supply current of the SN74HC688DW?

The maximum supply current is 80μA.

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