Product Overview
Texas Instruments SN74H11 High-Speed TTL Logic Gate DIP-14
Condition
Used condition. Visual inspection only; function testing not performed. Package markings are legible: SN74H11N, 1447-3557, MALAYSIA, and date code 7905C. Sourced as an equipment pull.
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Product Overview
Texas Instruments SN74H11N delivers three independent 3-input positive-AND gates in a standard 14-pin dual in-line package. Part of the high-speed 74H TTL logic family, this unit carries dual markings including the Burroughs OEM house part number 1447-3557 alongside factory Texas Instruments identification. Operating on a nominal 5.0 V rail, it serves as a direct hardware replacement for legacy computing architectures, vintage industrial controllers, and retro computing restorations.
Key Features
- Three independent 3-input positive-AND logic channels
- High-speed 74H series bipolar TTL logic design
- 5.0 V nominal operating voltage (4.75 V to 5.25 V supply range)
- Standard 14-pin plastic dual in-line package (PDIP-14)
- Through-hole mounting for conventional printed circuit boards or sockets
- Dual-marked body with OEM Burroughs number 1447-3557 and 7905C date code
Applications
- Servicing vintage Burroughs computer mainframes and peripheral controllers requiring OEM part 1447-3557
- Restoring late-1970s minicomputers, arcade hardware, and laboratory equipment built with 74H logic
- Prototyping classic digital logic circuits and custom computing hardware on standard solderless breadboards
Frequently Asked Questions
What does the 1447-3557 number on the body represent?
The 1447-3557 marking is Burroughs Corporation OEM house part numbering corresponding directly to the Texas Instruments SN74H11N triple 3-input AND gate.
Has this IC been electrically tested?
Evaluation is limited to visual inspection. Full electrical and functional testing has not been performed.
Why buy this specific unit rather than an unsorted bulk lot?
You receive the exact, individually photographed Texas Instruments component shown, verifying the original markings and physical lead integrity without having to sort through mystery grabs. Shipping is $8 flat rate, free once the order passes $28, and orders leave the Idaho warehouse the same or next business day.
Old-line 74H silicon carries a physical history that modern surface-mount arrays simply cannot replicate. Seat this vintage gate into its socket, power up the 5V rail, and bring the original logic back to life.
