Overview
The 74HC163D,653, produced by Nexperia USA Inc., is a presettable synchronous 4-bit binary counter. This integrated circuit is part of the 74HC and 74HCT series, known for their high-speed CMOS logic. The device features synchronous operation, allowing all flip-flops to be clocked simultaneously on the positive-going edge of the clock (CP). It also includes an internal look-ahead carry, which simplifies serial cascading of counters. The counter can be preset to any value using the parallel enable input (PE), and it has a synchronous reset feature that can be triggered by a LOW at the master reset input (MR).
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC Supply Voltage | 4.5 | - | 5.5 | V |
| IO Output Current | - | - | 5.2 | mA |
| ICC Supply Current | - | - | 160 | μA |
| fmax Maximum Frequency | - | - | 50 | MHz |
| CPD Power Dissipation Capacitance | - | - | 35 | pF |
| Package Type | SO16 (SOT109-1) | - | ||
Key Features
- Synchronous Operation: All flip-flops are clocked simultaneously on the positive-going edge of the clock (CP).
- Presettable: The counter can be preset to any value using the parallel enable input (PE).
- Synchronous Reset: A LOW at the master reset input (MR) sets Q0 to Q3 LOW after the next positive-going transition on the clock input (CP).
- Internal Look-Ahead Carry: Simplifies serial cascading of counters.
- High-Speed CMOS Logic: Part of the 74HC and 74HCT series, known for high-speed CMOS logic.
Applications
- Digital Counting Systems: Suitable for applications requiring synchronous binary counting, such as in digital counters, timers, and sequencers.
- Serial Cascading: The internal look-ahead carry feature makes it ideal for serial cascading of counters in more complex counting systems.
- Automated Systems: Can be used in automated systems that require precise and synchronized counting operations.
- Electronic Measurement Instruments: Useful in the design of electronic measurement instruments that need accurate counting capabilities.
Q & A
- What is the 74HC163D,653?
The 74HC163D,653 is a presettable synchronous 4-bit binary counter produced by Nexperia USA Inc..
- What is the maximum frequency of operation for the 74HC163D,653?
The maximum frequency of operation is up to 50 MHz.
- What is the supply voltage range for the 74HC163D,653?
The supply voltage range is from 4.5 V to 5.5 V.
- How does the synchronous reset feature work?
A LOW at the master reset input (MR) sets Q0 to Q3 LOW after the next positive-going transition on the clock input (CP).
- What is the purpose of the internal look-ahead carry?
The internal look-ahead carry simplifies serial cascading of counters.
- Can the counter be preset to any value?
Yes, the counter can be preset to any value using the parallel enable input (PE).
- What package type is the 74HC163D,653 available in?
The 74HC163D,653 is available in the SO16 (SOT109-1) package.
- Is the 74HC163D,653 RoHS compliant?
Yes, the 74HC163D,653 is RoHS compliant.
- What are some common applications for the 74HC163D,653?
Common applications include digital counting systems, serial cascading, automated systems, and electronic measurement instruments.
- What is the status of the 74HC163D,653 part?
The 74HC163D,653 is listed as obsolete or withdrawn/end-of-life.
