CD74HC14M Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
Texas Instruments CD74HC14M is a high-speed CMOS hex Schmitt-triggered inverter with 6 independent inverting inputs offering noise immunity and hysteresis. It supports a 50 pF load capacitance and delivers robust logic performance in a 14-pin SOIC package. Available in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- OBSOLETE
- Datasheet
- CD74HC14M 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
- 6 independent Schmitt-triggered inverter channels for reliable noise immunity
- High-speed CMOS HC/UH family with 50 pF load capacitance rating
- Low output current of 5.2 mA (Iol) suitable for driving standard logic loads
- 14-pin SOIC package with plastic/epoxy body for automated PCB assembly
- e4 JEDEC code for lead-free RoHS-compliant construction
Applications
The CD74HC14M is widely used for signal conditioning and wave shaping in digital logic circuits, converting noisy or slowly transitioning input signals into clean digital pulses. It is commonly applied in clock signal buffering, oscillator design, and debounce circuits in industrial and consumer electronics. Its Schmitt-trigger inputs with hysteresis make it ideal for interfacing mechanical switches, sensors, and communication bus signals to microcontroller I/O lines.
Specifications
| YTEOL | 0 |
| Family | HC/UH |
| JESD-30 Code | R-PDSO-G14 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | INVERTER |
| Max I(ol) | 0.0052A |
| Number of Functions | 6 |
| Number of Inputs | 1 |
| 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 |
| Power Supply Current-Max (ICC) | 0.04mA |
| Prop. Delay@Nom-Sup | 41ns |
| Propagation Delay (tpd) | 205ns |
| Qualification Status | Not Qualified |
| Schmitt Trigger | YES |
| Supply Voltage-Max (Vsup) | 6V |
| Supply Voltage-Min (Vsup) | 2V |
| Supply Voltage-Nom (Vsup) | 4.5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | MILITARY |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for CD74HC14M:
Frequently Asked Questions
How does the Schmitt-trigger input of the CD74HC14M improve signal integrity in noisy environments?
The CD74HC14M features Schmitt-triggered inputs with hysteresis, which means the switching threshold differs between the rising and falling edges by a defined voltage margin. This prevents output chatter when the input signal transitions slowly or contains noise spikes, ensuring clean digital outputs even with 50 pF load capacitance on each of the 6 inverter channels.
What is the maximum output sink current specification for the CD74HC14M, and how does it affect fan-out?
The CD74HC14M has a maximum output low-state current (Iol) of 5.2 mA per channel. This current capability determines its fan-out capacity when driving standard CMOS or TTL logic loads. With 6 independent inverter channels in a single 14-pin SOIC package, it allows designers to drive multiple downstream gates within this per-channel sink limit.
When should the CD74HC14M be chosen over a standard non-Schmitt hex inverter like the 74HC04?
The CD74HC14M should be selected over standard inverters like the 74HC04 when input signals have slow transition times, excessive noise, or ringing. Its Schmitt hysteresis threshold—typically around 0.9 V wide at 5 V supply—eliminates false triggering. It is particularly valuable in switch debounce circuits, RC oscillators, and sensor interface applications where signal quality is compromised.
What package does the CD74HC14M use, and is it compatible with standard SMT reflow processes?
The CD74HC14M comes in a 14-pin SOIC (R-PDSO-G14) package with a plastic/epoxy body. The JESD-609 code e4 confirms it is lead-free and RoHS-compliant, making it fully compatible with standard SMT reflow soldering processes used in high-volume consumer and industrial PCB assembly at typical peak temperatures of 260°C.
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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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