SN74HC164N

Product Overview

• Category: Integrated Circuit
• Use: Shift Register
• Characteristics: High-Speed, Serial-In Parallel-Out (SIPO), 8-Bit Shift Register
• Package: DIP (Dual In-line Package)
• Essence: The SN74HC164N is a versatile shift register that allows serial data to be converted into parallel output. It is commonly used in digital electronics for applications such as data storage, LED control, and address decoding.
• Packaging/Quantity: The SN74HC164N is typically sold in packs of 25 units.

Specifications

• Supply Voltage: 2V to 6V
• Operating Temperature Range: -40°C to +85°C
• Input Voltage Levels: CMOS/TTL Compatible
• Maximum Clock Frequency: 100 MHz
• Number of Stages: 8
• Output Drive Capability: 10 LSTTL Loads

Pin Configuration

The SN74HC164N has a total of 14 pins, which are assigned specific functions:

1. GND: Ground
2. SER: Serial Data Input
3. QA: Output A
4. QB: Output B
5. QC: Output C
6. QD: Output D
7. QE: Output E
8. QF: Output F
9. QG: Output G
10. QH: Output H
11. MR: Master Reset
12. CP: Clock Pulse Input
13. DS: Serial Data Input
14. VCC: Supply Voltage

Functional Features

• Serial-In Parallel-Out Operation: The SN74HC164N accepts serial data input and converts it into parallel outputs.
• High-Speed Operation: With a maximum clock frequency of 100 MHz, the shift register can handle high-speed data transfer.
• Master Reset: The MR pin allows for resetting the shift register to its initial state.
• CMOS/TTL Compatibility: The input voltage levels are compatible with both CMOS and TTL logic families.

Advantages and Disadvantages

Advantages

• Versatile shift register suitable for various applications
• High-speed operation enables efficient data transfer
• Compatible with different logic families
• Easy to integrate into existing digital circuits

Disadvantages

• Limited number of stages (8) may not be sufficient for complex applications requiring more parallel outputs
• DIP package may not be suitable for space-constrained designs

Working Principles

The SN74HC164N operates based on the principle of serial-in parallel-out shifting. When a clock pulse is applied, the serial data input (SER) is shifted through the internal flip-flops, resulting in parallel outputs at QA to QH. The master reset (MR) pin allows for resetting the shift register to its initial state.

Detailed Application Field Plans

The SN74HC164N finds applications in various fields, including:

1. LED Control: The shift register can be used to control multiple LEDs, enabling dynamic lighting effects.
2. Data Storage: It can be employed as part of a memory system to store and retrieve data efficiently.
3. Address Decoding: The shift register can assist in decoding addresses in microprocessor-based systems.
4. Serial-to-Parallel Conversion: It is commonly used to convert serial data streams into parallel format for further processing.

Detailed and Complete Alternative Models

• 74HC164: Similar shift register with the same functionality but in a different package (SOIC).
• CD74HC164: Equivalent shift register from a different manufacturer (Texas Instruments).

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