📦 T74LS11B1 STMicroelectronics (STM) Integrated Circuit (Pack of 5)

Logic Family: TTL Low-Power Schottky (LS Series - STM T74-Prefix Layout)
Function: Triple 3-Input Positive-AND Gates
Package Type: Plastic DIP-14 (Standard Imperial 2.54mm Layout)
Condition: Vintage NOS (New Old Stock), Unused Factory Stock
Quantity: 5 Pieces (Pack of 5 / Multi-Pack Supply Lot)

📸 Item Condition & Photos

• Genuine Vintage European Quality: 100% authentic original vintage semiconductor components manufactured by the historic STMicroelectronics (SGS-Thomson) group.
• Physical Condition: Pristine New Old Stock (NOS) condition from original factory tubes or storage packs. The 14 pins are 100% straight, clean, bright, and have never been soldered, socketed, or mounted on any board.
• Visual Verification: The listing features actual high-resolution photos of the components. Please inspect the images to check the original STM text/factory logo layout, exact part marking "T74LS11B1", and vintage production date/batch codes before purchasing.

🔍 Technical Specifications & Cross Reference

• Brand / Manufacturer: STMicroelectronics (STM / SGS-Thomson)
• Part Number / MPN: T74LS11B1 / T74LS11 / 74LS11N / 74LS11
• Cross Reference / Fully Compatible with: Texas Instruments SN74LS11N, Motorola MC74LS11N, National Semiconductor DM74LS11N, Signetics 74LS11N, Fairchild 74LS11PC, Hitachi HD74LS11P, 74LS11 Series
• Logic Function: Contains three independent 3-input AND gates performing the boolean function Y = A • B • C in stable Low-Power Schottky configurations.
• Package Type: Plastic PDIP-14 with Standard Western Imperial Lead Spacing (2.54mm / 0.100" Pin Pitch)
• Pin Count: 14 Pins
• Operating Voltage: Optimized for standard 5V logic systems (4.75V to 5.25V Range).
• Applications: High-grade restoration of vintage computing architectures (IBM PC clones, early Apple, Commodore, Amiga), logic gating networks, address decoders, clock buffering, retro arcade machine PCB repair, and legacy industrial machinery maintenance.

⚙️ Key Features & Hardware Compatibility

• Perfect Fit & Drop-in: Features the standard international imperial 2.54mm pin pitch. This original premium STMicroelectronics chip drops perfectly into all Western prototype breadboards, modern PCBs, and high-precision machined round-pin sockets (turned-pin sockets) without any pin alignment issues.
• Low-Power Schottky (LS) technology ensures minimized power consumption while maintaining fast, crisp logic propagation delays and robust noise immunity typical of premium European semiconductor lines.
• 100% original period-correct semiconductor production – an absolute necessity for real hardware restorations where historical brand accuracy and exact circuit timing match the original design layout.
• Meticulously stored in a climate-controlled, smoke-free environment to completely prevent long-term pin oxidation or degradation.

🚚 Packaging & Shipping Information

• ESD Safe Protection: Logic chips are sensitive to static and physical impacts. This multi-pack lot of 5 pieces is securely enclosed inside professional anti-static ESD packaging (tubes or shielding bags) with premium high-density pin-protection foam to guarantee all pins arrive in absolute flawless, unbent condition.
• Fast International Dispatch: Every order is processed quickly, packed securely, and shipped via tracked international airmail. Your global tracking number will be registered on eBay immediately upon dispatch.
• Combined Shipping Discounts: Multi-item orders are highly welcome! To save on postage, simply add all desired items from our store to your eBay cart and request a total invoice before paying, or we will automatically refund any excess shipping fees within 24 hours.
• 🇺🇸 US Buyers Only (DDP Service): Shipped via DDP (Delivery Duty Paid). All import duties, customs clearance processes, and local taxes are fully pre-paid on our side. You pay exactly what you see – zero hidden fees or surprise bills upon delivery!
• 🌐 International Buyers: Worldwide global shipping is available through trusted tracked postal carriers. Buyers located outside the United States are responsible for standard local customs fees or import taxes if applicable in their specific destination country.