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74HC85 IC – (SMD Package) – 4-bit Magnitude Comparator IC (7485 IC)

23.00 + GST

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The 74HC85 SMD is a 4-bit magnitude comparator that can be expanded to almost any length. They perform comparison of two 4-bit binary, BCD or other monotonic codes and present the three possible magnitude results at the outputs (QA>B, QA=B and QAB, IA=B and IAB = LOW and IA=B = HIGH. For words greater than 4-bits, units can be cascaded by connecting outputs QA>B, QA=B and QA.


  • Wide supply voltage range from 2.0 to 6.0 V
  • CMOS low power dissipation
  • High noise immunity
  • Latch-up performance exceeds 100 mA per JESD 78 Class II Level B
  • Input levels: CMOS level
  • Complies with JEDEC standard: no. 7A – JESD8C (2.7 V to 3.6 V) – JESD7A (2.0 V to 6.0 V)
  • ESD protection: – HBM JESD22-A114-A exceeds 2000 V – MM JESD22-A115-A exceeds 200 V
  • Specified from -40 °C to +85 °C and from -40 °C to +125 °C


  • Process controllers
  • Servo-motor control


Symbol Parameter Value Unit
VCC Supply Voltage − 0.5 to + 7.0V V
IIK DC Input Diode Current ±20 mA
IOK DC Output Diode Current ±20 mA
IO Output Current ± 25 mA
ICC or IGND DC VCC or GND Current, per pin 50 mA
TSTG Storage Temperature Range − 65°C to + 150 °C
Ptot Power Dissipation 500  mW


* product image for illustration purposes only. actual product may vary.


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