SN74HCT74DE4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The SN74HCT74DE4 is a dual D-type positive-edge-triggered flip-flop IC from Texas Instruments in a 14-pin SOIC package. It operates up to 22 MHz with a 50 pF load capacitance and supply voltage compatible with TTL levels. Available in stock worldwide with competitive pricing and fast shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- OBSOLETE
- Datasheet
- SN74HCT74DE4 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.4432(MOQ 1000)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SN74HCT74DE4?
- Dual D-type positive-edge-triggered flip-flop with clear and preset inputs for versatile logic sequencing
- TTL-compatible HCT family supports 2 V to 6 V operation and interfaces directly with 5 V TTL systems
- Maximum toggle frequency of 22 MHz at 50 pF load capacitance suits high-speed digital designs
- Low output sink current of 4 mA and SOIC-14 package enables compact, low-power PCB layouts
What is SN74HCT74DE4 used for?
The SN74HCT74DE4 is widely used in digital logic systems requiring reliable edge-triggered data storage, including frequency dividers, shift registers, and pipeline registers in microcontroller-based designs. Its TTL-compatible HCT family interface makes it ideal for mixed 3.3 V/5 V logic level translation in industrial control boards and communication equipment. The compact SOIC-14 package suits space-constrained applications such as embedded controllers, signal conditioning circuits, and programmable logic interface modules.
What are the specifications of SN74HCT74DE4?
| YTEOL | 0 |
| Family | HCT |
| JESD-30 Code | R-PDSO-G14 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | D FLIP-FLOP |
| Max Frequency@Nom-Sup | 22000000Hz |
| Max I(ol) | 0.004A |
| Number of Bits | 1 |
| Number of Functions | 2 |
| Output Polarity | COMPLEMENTARY |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP14,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| Prop. Delay@Nom-Sup | 35ns |
| Propagation Delay (tpd) | 35ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 4.5V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Trigger Type | POSITIVE EDGE |
| fmax-Min | 24MHz |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| HTS Code | 8542.39.00.60 |
Where can I find the SN74HCT74DE4 datasheet?
SN74HCT74DE4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SN74HCT74DE4?
Compatible alternatives and drop-in replacements for SN74HCT74DE4:
Flip-Flop, HCT Series, 2-Func, Positive Edge Triggered, 1-Bit, Complementary Output, CMOS, PDSO14
Flip-Flop, HCT Series, 2-Func, Positive Edge Triggered, 1-Bit, Complementary Output, CMOS, PDSO14
D Flip-Flop, HCT Series, 2-Func, Positive Edge Triggered, 1-Bit, Complementary Output, CMOS, PDSO14
D Flip-Flop, HCT Series, 2-Func, Positive Edge Triggered, 1-Bit, Complementary Output, CMOS, PDSO14
D Flip-Flop, HCT Series, 2-Func, Positive Edge Triggered, 1-Bit, Complementary Output, CMOS, PDSO14
D Flip-Flop, HCT Series, 2-Func, Positive Edge Triggered, 1-Bit, Complementary Output, CMOS, PDSO14
Frequently Asked Questions
What is the maximum operating frequency of the SN74HCT74DE4 and what load capacitance is it rated for?
The SN74HCT74DE4 is rated for a maximum toggle frequency of 22 MHz with a 50 pF load capacitance, making it suitable for medium-speed clocking and data pipeline applications in digital systems operating at 5 V TTL-compatible levels.
How does the HCT family supply voltage range make SN74HCT74DE4 compatible with both CMOS and TTL systems?
The HCT family operates from 2 V to 6 V and features TTL-compatible input thresholds, allowing the SN74HCT74DE4 to accept standard 5 V TTL signals and drive CMOS loads. This makes it a practical bridge component in mixed-logic boards where legacy TTL devices coexist with 3.3 V CMOS microcontrollers.
Which PCB form factors benefit most from the SN74HCT74DE4 SOIC-14 package dimensions?
The SOIC-14 package, with a footprint of approximately 8.65 mm x 3.9 mm and 1.27 mm pin pitch, is well suited for compact PCB designs where through-hole DIP components are too large. It enables higher board density in industrial controllers, communications modules, and embedded systems requiring dual flip-flop logic with minimal board space.
When would a designer choose SN74HCT74DE4 over a standard 74HC74 variant?
A designer should choose the SN74HCT74DE4 when the system uses 5 V TTL logic sources, since the HCT variant has TTL-compatible input thresholds (VIH of 2 V) versus the HC variant which requires higher input swings. For designs mixing 5 V TTL outputs with CMOS logic at 4.5 V to 5.5 V supply rails, SN74HCT74DE4 avoids level-shifting circuitry and reduces component count.
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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 |
|---|---|---|
| 1000+ | $0.5933 | $593.30 |
| 10000+ | $0.5290 | $5290.00 |
| 100000+ | $0.4432 | $44320.00 |
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