Transistor-Transistor Logic (TTL) Logic Comparators

4-bit magnitude comparator -- 74HCT85D,652
from Nexperia

The 74HC85; 74HCT85 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  QA <B). The 4-bit inputs... [See More]

  • Logic Family: TTL
  • Supply Voltage: 5V; Other; 4.5 - 5.5
  • Type: Magnitude
  • Package Type: Other; SOT109-1
1219234 [SN74LS688NE4 from Texas Instruments Standard Linear and Logic]
from RS Components, Ltd.

Texas Instruments Complex Function ICs from the 74LS Low Power Schottky Logic Family includes Binary Adders, Magnitude & Identity Comparators and 4-to-7 BCD Decoder/Drivers. The 74LS Family use bipolar junction technology coupled with Schottky diode clamps to achieve operating speeds equal to the... [See More]

  • Logic Family: TTL
  • Package Type: PDIP
  • Type: Identity
  • Number of Pins: 20
8-Bit Identity Comparator -- 74FCT521ATQG
from Integrated Device Technology

The IDT74FCT521T is an 8-bit identity comparator that compares two words of up to eight bits each and provides a low output when the two words match bit for bit. The expansion input IA = B also serves as an active low enable input. The 74FCT521T operates at -40C to +85C [See More]

  • Logic Family: TTL; CMOS
  • Supply Voltage: 5V
  • Type: Identity
  • Package Type: Other; QSOP
4-Bit Comparator -- 8269/C,D
from Lansdale Semiconductor, Inc.

The 8200/8H00 series MSI circuits are directly compatible with other TTL circuits including 5400/7400 series devices. [See More]

  • Logic Family: TTL
  • Number of units in IC: 1
  • Package Type: DIP (optional feature); Other (optional feature); Lead Flat Pack
  • Number of Pins: 14