74163 High-Speed CMOS 4-Bit Synchronous Binary Counter DIP-16

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74163 High-Speed CMOS 4-Bit Synchronous Binary Counter DIP-16 The 74163 High-Speed CMOS 4-Bit Synchronous Binary Counter DIP-16 is a versatile digital IC designed for high-speed counting applications. It operates as a preset table 4-bit synchronous binary counter with clear and load functions, allowing precise control over counting operations. All internal operations are synchronized with the clock input, ensuring reliable and glitch-free performance. The device supports cascading for higher bit counts and is widely used in timing, frequency division, digital clocks, and control circuits. Its DIP-16 package makes it easy to use in breadboards and through-hole PCB designs, ideal for educational, prototyping, and industrial digital logic applications. Features 4-bit high-speed synchronous binary counting capability. Fully synchronous operation for accurate and stable performance. Asynchronous master reset and synchronous parallel load functions. Ripple-free operation with all outputs synchronized to the clock. Expandable by cascading multiple counters for higher bit ranges. TTL and CMOS compatible input levels. Typical count frequency up to several MHz depending on supply and load. Wide operating voltage range for flexible circuit design. Standard 16-pin DIP package for easy mounting and prototyping. Ideal for use in timing, sequencing, frequency division, and digital logic circuits. Specifications Parameter Specification IC Model 74163 Type 4-Bit Synchronous Binary Counter Technology High-Speed CMOS / TTL Compatible Logic Family 74 Series Number of Bits 4-Bit Counting Mode Binary, Up Counter Supply Voltage (Vcc) 4.75V – 5.25V Maximum Clock Frequency Up to 35 MHz Input High Voltage (VIH) (min) 2.0V Input Low Voltage (VIL) (max) 0.8V Output High Voltage (VOH) (min) 2.7V Output Low Voltage (VOL) (max) 0.4V Propagation Delay Time 20 nsec Reset Type Asynchronous Master Reset Load Function Synchronous Parallel Load Package Type DIP-16 Mounting Type Through Hole Operating Temperature Range 0°C to +70°C Dimensions Pin Configuration Pin No. Symbol Description 1 CLR Asynchronous Master Reset (Active LOW) 2 CLK Clock Input (Rising Edge Triggered) 3 A Parallel Data Input (LSB) 4 B Parallel Data Input 5 C Parallel Data Input 6 D Parallel Data Input (MSB) 7 ENP Count Enable Parallel Input 8 GND Ground (0V) 9 LOAD Synchronous Parallel Load Input (Active LOW) 10 ENT Count Enable Trickle Input 11 QD Output Bit 3 (MSB) 12 QC Output Bit 2 13 QB Output Bit 1 14 QA Output Bit 0 (LSB) 15 RCO Ripple Carry Output 16 VCC Positive Supply Voltage (+5V) Applications Digital counters and frequency dividers. Sequential logic and state machine designs. Digital clocks and timers. Frequency and event counting circuits. LED or display driving systems. Pulse generation and timing control units. Binary counting and arithmetic operations in digital systems. Microcontroller and digital circuit prototyping. Control and sequencing logic in automation systems. Package Contents 1 x 74163 High-Speed CMOS 4-Bit Synchronous Binary Counter DIP-16. Datasheet 74163.