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Updated at 17/06/2025 10:30:15(UTC+8)

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Description

4−Bit Magnitude Comparator
The MC14585B 4−Bit Magnitude Comparator is constructed with complementary MOS (CMOS) enhancement mode devices. The circuit has eight comparing inputs (A3, B3, A2, B2, A1, B1, A0, B0), three cascading inputs (A < B, A = B, and A > B), and three outputs (A < B, A = B, and A > B). This device compares two 4−bit words (A and B) and determines whether they are “less than”, “equal to”, or “greater than” by a high level on the appropriate output. For words greater than
4−bits, units can be cascaded by connecting outputs (A > B), (A < B), and (A = B) to the corresponding inputs of the next significant comparator. Inputs (A < B), (A = B), and (A > B) on the least significant (first) comparator are connected to a low, a high, and a low, respectively.
Applications include logic in CPU’s, correction and/or detection of instrumentation conditions, comparator in testers, converters, and controls.
Features
•Diode Protection on All Inputs
•Expandable
•Applicable to Binary or 8421−BCD Code
•Supply Voltage Range = 3.0 Vdc to 18 Vdc
•Capable of Driving Two Low−Power TTL Loads or One Low−Power Schottky TTL Load over the Rated Temperature Range
•Can be Cascaded − See Figure 3
•Pb−Free Packages are Available

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MC14585BCP Specifications

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- Vacuum packaging
- Anti-static packaging
- Shockproof foam
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