CD74AC32E Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
CD74AC32E is a quad 2-input OR gate from Texas Instruments in the AC high-speed CMOS logic family, housed in a 14-pin DIP package. Features 4 independent OR gates with 24 mA output current and 50 pF load capacitance rating for fast signal switching. Available from stock worldwide with fast shipping.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- CD74AC32E Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.3101(MOQ 1)
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of CD74AC32E?
- Quad 2-input OR gate with 4 independent channels enabling compact multi-signal combinational logic on a single IC
- AC-family high-speed CMOS technology supporting 24 mA output drive current for robust fanout to multiple logic inputs
- Through-hole 14-pin DIP package ideal for prototyping, education, and legacy board repair applications
What is CD74AC32E used for?
CD74AC32E is used in digital logic design for combinational gating, signal multiplexing, interrupt combining, and address decoding circuits in microprocessor-based systems. Its 4 independent OR channels allow a single IC to merge up to 4 pairs of digital signals, reducing gate count in bus controllers and PLC I/O expanders. The DIP package makes it popular in educational electronics kits, breadboard prototyping, and through-hole PCB designs where socket-mountable components are preferred.
What are the specifications of CD74AC32E?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Family | AC |
| JESD-30 Code | R-PDIP-T14 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | OR GATE |
| Max I(ol) | 0.024A |
| Number of Functions | 4 |
| Number of Inputs | 2 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP14,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Packing Method | TUBE |
| Power Supply Current-Max (ICC) | 0.08mA |
| Prop. Delay@Nom-Sup | 13.3ns |
| Propagation Delay (tpd) | 119ns |
| Qualification Status | Not Qualified |
| Schmitt Trigger | NO |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 1.5V |
| Supply Voltage-Nom (Vsup) | 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 |
| ## CD74AC32E 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 |
Where can I find the CD74AC32E datasheet?
CD74AC32E Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for CD74AC32E?
Compatible alternatives and drop-in replacements for CD74AC32E:
suggested
suggested
suggested
Frequently Asked Questions
How many logic signals can be combined using a single CD74AC32E in an interrupt controller circuit?
CD74AC32E provides 4 independent 2-input OR gates, allowing up to 8 interrupt source signals to be combined into 4 outputs using all gates individually, or further cascaded to merge 8 sources into 1 output using 3 gates in a tree topology. With 24 mA output current per gate, each output can drive multiple CMOS inputs simultaneously with adequate noise margin across the specified 2 V to 6 V supply range.
What supply voltage range does CD74AC32E support and does it interface with both 3.3 V and 5 V logic systems?
CD74AC32E operates from a 2 V to 6 V supply voltage, making it compatible with both 3.3 V and 5 V CMOS logic families. When powered at 5 V, input thresholds are approximately 1.5 V for logic low and 3.5 V for logic high, accepting 3.3 V CMOS outputs with adequate noise margin. This cross-voltage compatibility eliminates level shifters in mixed-voltage boards with 3.3 V microcontrollers driving 5 V peripheral logic.
When is CD74AC32E a better choice than a software OR operation in a microcontroller for combining sensor alert signals?
A software OR operation introduces interrupt latency of 1 µs to 10 µs depending on CPU clock and interrupt handler overhead, which is unacceptable for safety-critical sensor alerts requiring sub-100 ns response. CD74AC32E performs the OR function in hardware with propagation delay under 10 ns at 5 V, ensuring the combined alert reaches the MCU interrupt pin within nanoseconds. This hardware approach also works during CPU sleep modes, maintaining sensor monitoring without keeping the MCU core powered.
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Why Buy from FindMyChip
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.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.7700 | $0.77 |
| 10+ | $0.7257 | $7.26 |
| 25+ | $0.3876 | $9.69 |
| 100+ | $0.3585 | $35.85 |
| 250+ | $0.3101 | $77.52 |
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