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MM74HC688MTCX The MM74HC688MTCX is an 8-bit magnitude comparator from ON Semiconductor. It indicates equality between two 8-bit words with an active low output.
Mfr Part #:

MM74HC688MTCX

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
The MM74HC688MTCX is an 8-bit magnitude comparator from ON Semiconductor. It indicates equality between two 8-bit words with an active low output.
✓ Total Stock: 5,160 pcs
$ Price Range: $0.50

MM74HC688MTCX Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
Non-Authorised Inventory information
5,160 pcs
On Request
5160 pcs On Request 1 On Request On Request 4 On Request On Request
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MM74HC688MTCX 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 Current
Output Function
Supplier Device Package
Supplier Package
Type
Voltage
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MM74HC688MTCX Description

Short technical summary and product information.

The MM74HC688MTCX is an 8-bit magnitude comparator designed for comparing two 8-bit words bit by bit. Manufactured by ON Semiconductor, this device utilizes advanced silicon-gate CMOS technology. It features an active low output that indicates when the two words are equal. An enable input allows for cascading to compare words longer than 8 bits, making it suitable for memory block decoding applications.

 

Key electrical specifications include a wide operating supply voltage range of 2V to 6V, a typical propagation delay of 30ns at 6V and 50pF, and a low quiescent current of 80nA. The output can drive up to 4mA. The device operates within a temperature range of -40°C to 85°C.

 

Packaged in a 20-lead TSSOP, the MM74HC688MTCX is designed for surface mounting. Its functionality is pin-compatible with the 74LS688, and all inputs are protected against static discharge.

MM74HC688MTCX Quick Information

Product Type: Comparator
Series: 74HC
Canonical Name: MM74HC688 8-Bit Magnitude Comparator (Equality Detector)
Subcategory: Magnitude Comparator

MM74HC688MTCX Compliance

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

MM74HC688MTCX Estimated Pricing

Qty Low High
1+ $0.50 $0.50

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

MM74HC688MTCX Features

  • Compares two 8-bit words for equality.
  • Active low output indicates equality.
  • Wide 2V to 6V operating voltage range.
  • Fast 30ns maximum propagation delay.
  • Surface mount 20-TSSOP package.

MM74HC688MTCX Applications

  • Compare two 8-bit data buses for equality.
  • Used in digital logic systems for identity checking.
  • Ideal for low-power battery-operated devices.
  • Suitable for microcontroller interfacing circuits.

MM74HC688MTCX FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of MM74HC688MTCX?

Operating voltage range is 2V to 6V, with typical voltage of 6V.

What package is MM74HC688MTCX available in?

20-TSSOP (0.173", 4.40mm Width) surface mount package.

What is the operating temperature range?

-40°C to 85°C.

How many bits does the MM74HC688MTCX comparator handle?

8 bits.

Is the output active high or active low?

Active low.

What is the propagation delay of the MM74HC688MTCX?

30 ns maximum at 6V and 50pF load.

What output function does the comparator provide?

A=B, indicating equality.

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