Catalog > Semiconductors > Integrated Circuits 7485 Comparator 4-Bit Magnitude Comparator Part No: 7485 22.43 ZAR inc for 1 Each (Quoting) Add to Cart Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features Compares two 4-bit binary numbers directly Can be cascaded to compare more than 4 bits TTL-compatible inputs and outputs High-speed logic operation (~35 MHz typical) Applications Digital comparators and ALU circuits Sorting and control logic Microprocessor/microcontroller systems Digital measurement systems Specifications Number of bits: 4-bit comparator Number of pins: 16 pins Supply voltage: TTL version: 4.75 V – 5.25 V (typical 5 V) CMOS version: 2 V – 6 V Outputs: 3 comparison outputs (A>B, A=B, A<B) Propagation delay: ~13 ns to 35 ns (typical) Input logic levels (TTL): VIH ≥ 2 V VIL ≤ 0.8 V Output current: High: about −0.4 mA to −1 mA Low: up to 16–24 mA Power dissipation: ~60 mW typical Operating temperature: 0 °C to 70 °C (standard TTL) Pin configuration (16-pin) A inputs: A0–A3 B inputs: B0–B3 Cascade inputs: IA<B, IA=B, IA>B Outputs: QA<B, QA=B, QA>B VCC: pin 16 GND: pin 8