Digital comparators

An indispensable range of digital magnitude comparators

These devices can compare the magnitude of any binary words. Manufactured in low power CMOS, they have CMOS and TTL input options. An indispensable component in applications such as process controllers and servo-motor control.

Key features and benefits

  • Magnitude comparison of any binary words
  • Serial or parallel expansion without extra gating
  • Low power CMOS
  • CMOS and TTL input options

Key applications

  • Process controllers
  • Servo-motor control

Parametric search

Digital comparators
Please wait loading data...
Parametric search is unavailable.


Type number Description Status Quick access
74HC(T)688 8-bit magnitude comparator ACT
74HC688D 8-bit magnitude comparator Production
74HC688DB 8-bit magnitude comparator Not for design in
74HC688PW 8-bit magnitude comparator Production
74HC(T)85 4-bit magnitude comparator ACT
74HC85D 4-bit magnitude comparator Production
74HC85DB 4-bit magnitude comparator Not for design in
74HC85PW 4-bit magnitude comparator Production
74HCT85D 4-bit magnitude comparator Production
74HCT85DB 4-bit magnitude comparator Not for design in

Marcom graphics (1)

File name Title Type Date
TSSOP16_SOT403-1_mk plastic, thin shrink small outline package; 16 leads; 0.65 mm pitch; 5 mm x 4.4 mm x 1.1 mm body Marcom graphics 2017-01-28

Selection guide (1)

File name Title Type Date
nexperia_selection_guide_2019_201901 Selection guide 2019. Discretes, Logic and MOSFETs Selection guide 2018-12-12

If you have a support question, let us know. If you are in need of design support, let us know and fill in the answer form, we’ll get back to you shortly.

Or contact us for further support.