CD74HCT74E-NG Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
The CD74HCT74E-NG is a dual D-type positive-edge-triggered flip-flop IC from Texas Instruments in the HCT CMOS logic family, featuring TTL-compatible inputs with 5V supply operation and propagation delays under 20 ns. It provides two independent flip-flops with preset and clear in a 14-pin DIP package for through-hole assembly. Available in RoHS-compliant lead-free packaging, in stock worldwide with fast global shipping.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- CD74HCT74E-NG Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Dual D-type positive-edge-triggered flip-flops with independent preset and clear for flexible state control
- HCT CMOS technology ensures direct TTL input compatibility at 5V supply voltage
- Fast propagation delay under 20 ns enabling high-speed synchronous digital logic designs
- 14-pin DIP through-hole package simplifying prototyping, lab use, and legacy board replacement
Applications
The CD74HCT74E-NG is widely used in synchronous digital systems for data storage, frequency division, and edge-triggered state machine implementations. Its TTL-compatible inputs make it an ideal bridge component between legacy TTL logic and modern CMOS systems in industrial controllers, educational electronics kits, and retrofit designs. Engineers also deploy it in clock divider circuits, shift registers built from discrete stages, and signal latching applications across consumer and embedded computing platforms.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for CD74HCT74E-NG:
D Flip-Flop, HCT Series, 2-Func, Positive Edge Triggered, 1-Bit, Complementary Output, CMOS, PDIP14
Frequently Asked Questions
What logic family does the CD74HCT74E-NG belong to?
The CD74HCT74E-NG is part of the HCT (High-Speed CMOS with TTL-compatible inputs) logic family. It operates from a 5V supply and accepts TTL-level input signals, making it directly compatible with both legacy TTL logic devices and modern CMOS microcontrollers without level-shifting.
What are the main functions of the CD74HCT74E-NG?
The CD74HCT74E-NG contains two independent D-type positive-edge-triggered flip-flops, each with dedicated preset (PRE) and clear (CLR) inputs. This allows synchronous data capture on the rising clock edge, asynchronous state initialization, and flexible use in counters, shift registers, and state machines.
What package does the CD74HCT74E-NG use?
The CD74HCT74E-NG is available in a 14-pin DIP (Dual In-Line Package) for through-hole PCB assembly. This package is ideal for breadboard prototyping, educational laboratory experiments, and replacement of existing through-hole logic devices in industrial or legacy equipment.
What supply voltage does the CD74HCT74E-NG require?
The CD74HCT74E-NG is designed for a 5V supply voltage, consistent with the HCT CMOS family specification. Its TTL-compatible input thresholds (VIH typically 2V, VIL typically 0.8V) allow seamless interfacing with 5V TTL and LSTTL logic families without additional voltage translation.
What are common applications for the CD74HCT74E-NG?
Common applications include clock frequency division circuits, synchronous data latches, edge-triggered state machines, pipeline registers in digital logic designs, and signal debouncing circuits. It is also a popular choice in educational kits and lab experiments for demonstrating sequential logic fundamentals, as well as in industrial retrofits replacing TTL flip-flops.
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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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