Overview
The CD74HC165M96, produced by Texas Instruments, is a high-speed CMOS logic 8-bit parallel-in/serial-out shift register. This component is part of the HC165 series, known for its versatility and reliability in digital circuit applications. The device operates within a wide voltage range, making it suitable for various electronic systems. It features buffered inputs, asynchronous parallel load capability, and complementary serial outputs, which are essential for efficient data transfer and processing.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOIC (D) | - |
| Pins | 16 | - |
| Operating Temperature Range | -55 to 125 | °C |
| Supply Voltage Range (HC Types) | 2 to 6 | V |
| Supply Voltage Range (HCT Types) | 4.5 to 5.5 | V |
| Input Voltage Range | 0 to VCC | V |
| High Level Input Voltage (VIH) | 1.5 to 4.2 | V |
| Low Level Input Voltage (VIL) | 0.5 to 1.8 | V |
| High Level Output Voltage (VOH) | 1.9 to 5.9 | V |
| Low Level Output Voltage (VOL) | 0.1 | V |
| Maximum Clock Pulse Frequency | Up to 27 MHz | - |
| Junction Temperature | -65 to 150 | °C |
| Lead Temperature (Soldering 10s) | 300 | °C |
Key Features
- Buffered Inputs: Ensures stable and reliable input signals.
- Asynchronous Parallel Load: Allows data to be loaded into the register asynchronously when the SH/LD input is LOW.
- Complementary Serial Outputs: Provides both QH and Q̄H outputs from the last stage of the shift register.
- Wide Operating Temperature Range: Operates from -55°C to 125°C, making it suitable for a variety of environments.
- High Noise Immunity: Offers significant noise immunity, especially in HC types with NIL = 30%, NIH = 30% of VCC at VCC = 5V.
- LSTTL Input Logic Compatibility (HCT Types): Directly compatible with LSTTL input logic, with VIL = 0.8 V (Max) and VIH = 2 V (Min).
- Low Power Consumption: Significant power reduction compared to LSTTL logic ICs.
- Balanced Propagation Delay and Transition Times: Ensures consistent and predictable operation.
Applications
- Parallel-to-Serial Conversion: Ideal for converting parallel data into serial data streams, which is crucial in communication systems and data transmission.
- Serial Data Processing: Used in applications requiring serial data processing, such as in microcontrollers, embedded systems, and digital signal processing.
- Automated Systems: Suitable for use in automated systems where data needs to be shifted and processed in a serial manner.
- Industrial Control Systems: Employed in industrial control systems for reliable and efficient data handling.
- Consumer Electronics: Found in various consumer electronics where compact and reliable digital logic is required.
Q & A
- What is the CD74HC165M96 used for?
The CD74HC165M96 is an 8-bit parallel-in/serial-out shift register used for converting parallel data into serial data streams.
- What are the operating voltage ranges for the CD74HC165M96?
The device operates from 2V to 6V for HC types and from 4.5V to 5.5V for HCT types.
- What is the maximum clock frequency for the CD74HC165M96?
The maximum clock pulse frequency is up to 27 MHz.
- What are the key features of the CD74HC165M96?
Key features include buffered inputs, asynchronous parallel load, complementary serial outputs, and a wide operating temperature range.
- How does the parallel load function work?
When the SH/LD input is LOW, parallel data from inputs A to H are loaded into the register asynchronously.
- What is the significance of the complementary serial outputs?
The complementary serial outputs (QH and Q̄H) allow for more flexible and reliable data transmission.
- What are the thermal specifications for the CD74HC165M96?
The junction-to-ambient thermal resistance is 73°C/W for the SOIC package.
- Is the CD74HC165M96 RoHS compliant?
Yes, the CD74HC165M96 is RoHS compliant.
- What are the typical applications of the CD74HC165M96?
Typical applications include parallel-to-serial conversion, serial data processing, automated systems, industrial control systems, and consumer electronics.
- How does the device handle noise immunity?
The device offers high noise immunity, especially in HC types with NIL = 30%, NIH = 30% of VCC at VCC = 5V.
