Overview
The SN74HC163DRE4 is a 4-bit synchronous binary counter produced by Texas Instruments. This component is part of the HC163 series, known for its high-speed counting capabilities and synchronous operation. The device features an internal carry look-ahead circuit, which enables fast counting and cascading for n-bit synchronous applications. It operates within a wide voltage range of 2 V to 6 V, making it versatile for various electronic designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Voltage Range | 2 V to 6 V | V |
| Output Drive Capability | Up to 10 LSTTL Loads | |
| Power Consumption (Max ICC) | 80 µA | µA |
| Typical Propagation Delay (tpd) | 14 ns | ns |
| Output Drive at 5 V | ±4 mA | mA |
| Input Current (Max) | 1 µA | µA |
| Operating Temperature Range | -40°C to 85°C | °C |
| Package Type | SOIC (D) | |
| Number of Pins | 16 |
Key Features
- Wide Operating Voltage Range of 2 V to 6 V
- Outputs Can Drive Up To 10 LSTTL Loads
- Low Power Consumption, 80-µA Max ICC
- Typical Propagation Delay of 14 ns
- ±4-mA Output Drive at 5 V
- Low Input Current of 1 µA Max
- Internal Look-Ahead for Fast Counting
- Carry Output for n-Bit Cascading
- Synchronous Counting and Programmable
- Synchronous Clear Function
Applications
The SN74HC163DRE4 is suitable for high-speed counting designs in various applications, including:
- Digital counters and timers
- Sequential logic circuits
- Microprocessor and microcontroller systems
- Automotive and industrial control systems
- Cascaded counter applications for n-bit synchronous counting
Q & A
- What is the operating voltage range of the SN74HC163DRE4?
The operating voltage range is 2 V to 6 V.
- How many LSTTL loads can the outputs of the SN74HC163DRE4 drive?
The outputs can drive up to 10 LSTTL loads.
- What is the typical propagation delay (tpd) of the SN74HC163DRE4?
The typical propagation delay is 14 ns.
- What is the maximum power consumption of the SN74HC163DRE4?
The maximum power consumption is 80 µA.
- Does the SN74HC163DRE4 support synchronous counting?
Yes, it supports synchronous counting and is fully programmable.
- How does the internal look-ahead circuitry benefit the SN74HC163DRE4?
The internal look-ahead circuitry enables fast counting and allows for n-bit cascading without additional gating.
- What is the operating temperature range of the SN74HC163DRE4?
The operating temperature range is -40°C to 85°C.
- What type of package does the SN74HC163DRE4 come in?
The SN74HC163DRE4 comes in a SOIC (D) package with 16 pins.
- Can the SN74HC163DRE4 be used in cascaded counter applications?
Yes, it is designed for n-bit cascading with its carry output and look-ahead circuitry.
- How does the synchronous clear function work on the SN74HC163DRE4?
The synchronous clear function sets all four flip-flop outputs low after the next low-to-high transition of the clock (CLK) input, regardless of the levels of the enable inputs.
