CD74HC85E Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
The CD74HC85E is a 4-bit magnitude comparator IC from Texas Instruments featuring HC CMOS technology with non-inverting outputs and a supply voltage range of 2V to 6V. It provides three comparison outputs (A>B, A=B, A<B) and supports cascading for comparing wider data words. Available in a 16-pin PDIP package, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- CD74HC85E Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 4-bit magnitude comparator with three simultaneous outputs: A greater than B, A equals B, and A less than B
- Cascadable architecture enabling expansion to 8-bit, 16-bit, or wider comparisons using multiple devices
- HC CMOS technology supporting wide supply voltage range of 2V to 6V with low power consumption
- 16-pin PDIP through-hole package for easy prototyping and breadboard-friendly development
Applications
The CD74HC85E is used in digital systems requiring real-time comparison of 4-bit binary values, such as address decoding, sorting networks, and priority logic circuits. It is commonly found in microprocessor peripheral circuits, data converters, and programmable threshold detectors where numeric magnitude decisions must be made in hardware. Its cascadable design makes it suitable for building scalable comparison logic in ALUs and custom digital control systems.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Additional Feature | CASCADABLE, THREE POSSIBLE OUTPUTS ARE A B |
| Family | HC/UH |
| JESD-30 Code | R-PDIP-T16 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | MAGNITUDE COMPARATOR |
| Max I(ol) | 0.0052A |
| Number of Bits | 4 |
| Number of Functions | 4 |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP16,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Packing Method | TUBE |
| Power Supply Current-Max (ICC) | 0.08mA |
| Prop. Delay@Nom-Sup | 42ns |
| Propagation Delay (tpd) | 295ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 6V |
| Supply Voltage-Min (Vsup) | 2V |
| Supply Voltage-Nom (Vsup) | 4.5V |
| Surface Mount | NO |
| Technology | CMOS |
| Temperature Grade | MILITARY |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| ## CD74HC85E Alternates Showing results | Image |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Malaysia, Mexico |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for CD74HC85E:
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Frequently Asked Questions
What are the three comparison outputs on the CD74HC85E?
The CD74HC85E provides three simultaneous comparison outputs: A greater than B, A equals B, and A less than B. These outputs allow direct hardware decision-making without additional logic gates, simplifying circuit design in sorting, filtering, and threshold detection applications.
How can the CD74HC85E be cascaded for wider bit comparisons?
The CD74HC85E supports cascading by connecting the cascade inputs of a higher-order device to the outputs of a lower-order device. This allows building 8-bit, 12-bit, or larger comparators using multiple CD74HC85E ICs, enabling flexible expansion of comparison width in digital systems.
What is the supply voltage range for the CD74HC85E?
The CD74HC85E operates from a supply voltage of 2V to 6V, covering both 3.3V and 5V logic levels. This wide range makes it compatible with most modern digital ICs and microcontrollers while tolerating typical supply voltage variations in embedded systems.
Is the CD74HC85E suitable for replacement by 74HC85 from other manufacturers?
Yes, the CD74HC85E is functionally equivalent to standard 74HC85 comparators from other manufacturers such as NXP or ON Semiconductor, as all follow the same HC logic family specifications. However, verify timing parameters such as propagation delay and maximum operating frequency to confirm compatibility in high-speed applications.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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