SN74HC08DBRG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The SN74HC08DBRG4 is a quad 2-input positive-AND gate IC from the HC logic family, operating on 2 V to 6 V supplies with typical propagation delay of 7 ns, housed in a 14-pin SOP package for high-speed digital logic designs.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- OBSOLETE
- Datasheet
- SN74HC08DBRG4 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
What are the key features of SN74HC08DBRG4?
- Four independent 2-input AND gates in a single 14-pin SOP package, delivering a compact solution for Boolean logic combinations in digital control circuits
- HC CMOS family with typical propagation delay of 7 ns at 5 V and 50 pF load, suitable for high-speed glue logic applications up to tens of MHz
- Wide supply range of 2 V to 6 V with CMOS-compatible inputs and 4 mA output drive, bridging 3.3 V and 5 V logic domains without external level translation
- Green (RoHS-compliant, JESD-609 e4) plastic SOIC package rated from -40°C to +125°C, suitable for automotive and industrial logic interfacing
What is SN74HC08DBRG4 used for?
The SN74HC08DBRG4 is used as combinational glue logic in microprocessor systems, FPGA expansion boards, and signal-conditioning circuits where two digital conditions must simultaneously be true before an output is asserted. Its quad gate configuration and compact 14-pin SOP footprint make it a cost-effective choice for clock gating, chip-enable generation, and interrupt masking across consumer electronics, industrial controllers, and automotive body electronics.
What are the specifications of SN74HC08DBRG4?
| YTEOL | 0 |
| Family | HC/UH |
| JESD-30 Code | R-PDSO-G14 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | AND GATE |
| Max I(ol) | 0.004A |
| Number of Functions | 4 |
| Number of Inputs | 2 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SSOP14,.3 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, SHRINK PITCH |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 50mA |
| Prop. Delay@Nom-Sup | 25ns |
| Propagation Delay (tpd) | 125ns |
| 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 | 0.65mm |
| 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 |
| HTS Code | 8542.39.00.60 |
Where can I find the SN74HC08DBRG4 datasheet?
SN74HC08DBRG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SN74HC08DBRG4?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What propagation delay does SN74HC08DBRG4 achieve at 5 V, and how does that compare to slower logic families?
At a 5 V supply with a 50 pF load, the SN74HC08DBRG4 achieves a typical propagation delay of 7 ns. Standard LS-TTL or CD4000 CMOS gates typically run at 20 ns to 50 ns, so the HC family device is 3 to 7 times faster, making it preferable for clock-gating paths and high-speed enable signals in modern digital designs.
Can SN74HC08DBRG4 interface directly between a 3.3 V FPGA output and a 5 V microcontroller input?
The SN74HC08DBRG4's input threshold at 5 V supply is approximately 3.5 V for VIH. A 3.3 V FPGA output at 3.3 V barely meets this threshold, so direct connection is marginal. When powered at 3.3 V, inputs switch at roughly 2.1 V, which is safe for 3.3 V FPGA logic—so power SN74HC08DBRG4 at 3.3 V when used as the bridge between the two voltage domains.
How many SN74HC08DBRG4 AND functions are available per package, and how does that affect board space in a dense control design?
Each SN74HC08DBRG4 provides 4 independent 2-input AND gates in a 14-pin SOP footprint measuring approximately 8.65 mm × 3.9 mm. For a design needing 8 AND functions, two ICs cover the requirement in under 70 mm² of board area, which is significantly more compact than discrete gate implementations or FPGA soft-logic alternatives at low gate counts.
What output drive current does SN74HC08DBRG4 provide, and is it sufficient to directly drive an LED or opto-coupler input?
The SN74HC08DBRG4 outputs a maximum of 4 mA sink current (IOL). This is sufficient to drive a low-current LED at approximately 2 mA with an appropriate series resistor, but most standard LEDs at 10 mA or opto-coupler inputs above 5 mA require a buffer transistor or dedicated driver IC to avoid exceeding the HC output rating.
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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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