SN74ALS03BDE4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The SN74ALS03BDE4 is a quad 2-input NAND gate with open-collector outputs from Texas Instruments in the Advanced Low-Power Schottky (ALS) logic family. It provides 4 independent NAND gates with 50 pF load capacitance rating and an 8 mA output sink current in a 14-pin SOIC package.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- OBSOLETE
- Datasheet
- SN74ALS03BDE4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SN74ALS03BDE4?
- 4 independent 2-input NAND gates with open-collector outputs in a single 14-pin SOIC
- Advanced Low-Power Schottky (ALS) logic family for reduced power consumption vs. standard TTL
- Open-collector outputs allowing wired-AND bus configurations and level shifting
- 8 mA output sink current (IOL max) for reliable pull-up resistor driven loads
- 50 pF load capacitance rating supporting standard PCB trace lengths
- Lead-free JESD-609 e4 compliant for RoHS-compliant assemblies
What is SN74ALS03BDE4 used for?
The SN74ALS03BDE4 is commonly used in bus-driver circuits, wired-AND logic networks, and open-collector bus interfaces where multiple outputs share a common pull-up resistor. It also finds application in level-shifting logic interfaces and glue logic designs in industrial control, telecommunications, and computing equipment.
What are the specifications of SN74ALS03BDE4?
| YTEOL | 0 |
| Family | ALS |
| JESD-30 Code | R-PDSO-G14 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | NAND GATE |
| Max I(ol) | 0.008A |
| Number of Functions | 4 |
| Number of Inputs | 2 |
| Output Characteristics | OPEN-COLLECTOR |
| 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) | 4mA |
| Prop. Delay@Nom-Sup | 50ns |
| Propagation Delay (tpd) | 50ns |
| Qualification Status | Not Qualified |
| Schmitt Trigger | NO |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 4.5V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | TTL |
| Temperature Grade | COMMERCIAL |
| 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 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Malaysia |
Where can I find the SN74ALS03BDE4 datasheet?
SN74ALS03BDE4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SN74ALS03BDE4?
Compatible alternatives and drop-in replacements for SN74ALS03BDE4:
Frequently Asked Questions
Why choose open-collector outputs on SN74ALS03BDE4 for bus sharing or level-shifting applications?
Open-collector outputs let multiple SN74ALS03BDE4 drivers connect to a single pull-up resistor on a shared bus without driver contention, and by choosing the pull-up voltage, designers can level-shift NAND outputs from 5 V TTL to 3.3 V or even 12 V bus rails with 8 mA sink capability.
How does ALS logic power consumption compare to standard 74S or 74LS NAND gates?
The ALS (Advanced Low-Power Schottky) family typically consumes about 1 mW per gate at 5 V supply, significantly lower than 74S devices, while maintaining propagation delays under 10 ns to balance speed and power in 5 V logic designs.
What pull-up resistor value is recommended when using SN74ALS03BDE4 open-collector outputs at 50 pF load capacitance?
For a 50 pF load at 5 V, a pull-up resistor of 1 kΩ to 4.7 kΩ is typical, balancing rise-time speed against the 8 mA maximum output sink current; lower resistance speeds transitions but increases static dissipation when the output is low.
Is SN74ALS03BDE4 suitable for legacy 5 V TTL board repairs or new SOIC-14 footprint designs?
Yes, the device uses a standard 14-pin SOIC footprint with 1.27 mm pitch, making it drop-in compatible with existing SOIC-14 PCB pads; it is RoHS-compliant with JESD-609 e4 lead-free code, suitable for both legacy board rework and new green designs.
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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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