SN74HCU04DRG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
SN74HCU04DRG4 is a hex unbuffered inverter from Texas Instruments in the HC/UH logic family, housing six independent single-input inverters with 50 pF load capacitance and 4 mA output sink current. Available in a 14-pin SOIC-14 package, it is used for oscillator circuits and general-purpose logic inversion.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- OBSOLETE
- Datasheet
- SN74HCU04DRG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 6 independent unbuffered inverter stages
- HC/UH family with CMOS-compatible voltage levels
- 50 pF load capacitance (CL) for standard signal drive
- 4 mA maximum output sink current (IOL)
- 14-pin SOIC-14 narrow-body surface-mount package
- JESD-609 e4 halogen-free, RoHS and Pb-free compliant
- Single-input topology ideal for crystal oscillator feedback networks
Applications
The SN74HCU04DRG4 hex unbuffered inverter is commonly used in crystal oscillator feedback amplifier circuits where the unbuffered topology provides the linear gain region required to sustain oscillation at frequencies from 1 MHz to over 20 MHz. It also serves as a signal inversion stage in clock distribution networks and level-translation designs on microcontroller and FPGA boards. The 14-pin SOIC-14 surface-mount package integrates six channels in a compact footprint suitable for space-constrained digital logic sections.
Specifications
| Pbfree Code | Yes |
| 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) | 0.004A |
| 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 | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 0.02mA |
| Prop. Delay@Nom-Sup | 20ns |
| Propagation Delay (tpd) | 100ns |
| Qualification Status | Not Qualified |
| Schmitt Trigger | NO |
| Supply Voltage-Max (Vsup) | 6V |
| Supply Voltage-Min (Vsup) | 2V |
| 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 |
| 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 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for SN74HCU04DRG4:
Frequently Asked Questions
Why does crystal oscillator design favor the SN74HCU04DRG4 over a buffered inverter?
The unbuffered topology of the SN74HCU04DRG4 operates in a linear region around the switching threshold, providing the continuous gain needed for the crystal oscillator feedback loop to start and sustain oscillation typically between 1 MHz and 20 MHz without the nonlinearity of a buffered gate.
How many inverter channels does the SN74HCU04DRG4 provide, and what is the output current rating?
The SN74HCU04DRG4 provides 6 independent inverter channels, each with a maximum output sink current (IOL) of 4 mA and a 50 pF load capacitance rating, which is sufficient to drive CMOS logic inputs and short PCB traces on standard 3.3 V or 5 V digital boards.
Which package does the SN74HCU04DRG4 use, and does it meet environmental regulations?
This device is housed in a 14-pin SOIC-14 narrow-body surface-mount package (R-PDSO-G14) and is rated Pb-free, JESD-609 e4 halogen-free, and RoHS-compliant, satisfying environmental requirements for consumer electronics, automotive infotainment, and industrial control board manufacturing.
In clock distribution circuits, how does the SN74HCU04DRG4 contribute to signal integrity?
Each of the 6 inverter stages can buffer or re-drive a clock signal independently, allowing the designer to fan out a single clock source to multiple loads while maintaining CMOS logic levels. With a 50 pF load drive and 4 mA sink current, each channel handles typical capacitive bus loads on densely routed PCBs.
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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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