Texas Instruments 4-Bit LS Active High Non-Inverting 16-Pin PDIP Logic Comparator SN74LS85N

Texas Instruments SN74LS85N 4-Bit LS Logic Comparator is a high-speed, low power Schottky (LS) family integrated circuit designed for digital logic magnitude comparison. The device features active high outputs and non-inverting polarity housed in a 16-pin PDIP package suitable for through-hole mounting. Its operating supply voltage ranges from 4.75V to 5.25V, ensuring compatibility with standard LS logic systems.

With a maximum propagation delay of 45 nanoseconds at output load capacitance (CL), the SN74LS85N supports fast digital logic operations which are critical in computing and complex digital circuits. The device operates reliably over industrial temperature ranges of 0°C to 70°C, making it appropriate for various industrial, laboratory, and commercial electronic applications.

The SN74LS85N uses bipolar junction transistor technology with Schottky diode clamps that combine speed and lower power consumption versus traditional TTL logic families. This magnitude comparator is typically used in digital systems requiring 4-bit magnitude comparison outputs to execute decisions and logical control tasks efficiently.

Physical package dimensions of the device are 19.3mm in length and 4.57mm in height, facilitating compact PCB designs. Its through-hole mounting style simplifies prototyping and replacement in electronic assemblies.

Minimum supply voltage: 4.75V and maximum supply voltage: 5.25V. Active high output type ensures clear logical signal levels. Employs 74LS family bipolar LS logic technology. Maximum high-level output current is -0.4mA to protect circuits from excessive current drain.

Designed for long-term operation in industrial temperature environments from 0 to 70°C. Non-inverting output polarity for straightforward logic interpretation. 16-pin PDIP package type suited for through hole PCB assembly.

Magnitude comparator type designed for 4-bit digital comparison in logic circuits.

This product is well-suited for embedded systems, manufacturing machinery control, digital instrumentation, and various industrial electronic control systems requiring reliable, fast digital logical comparisons.

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