SN74ALS164AN

Product Overview

• Category: Integrated Circuit (IC)
• Use: Shift Register
• Characteristics: High-speed, TTL compatible, 8-bit parallel-in/serial-out shift register
• Package: DIP (Dual In-line Package)
• Essence: Serial-to-parallel data conversion
• Packaging/Quantity: Tube packaging, 25 pieces per tube

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 100 MHz
• Number of Bits: 8
• Logic Family: ALS (Advanced Low-Power Schottky)

Detailed Pin Configuration

The SN74ALS164AN has a total of 14 pins, each serving a specific function:

1. GND: Ground reference voltage
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 Input
12. SH/LD: Shift/Load Input
13. CLK: Clock Input
14. VCC: Positive Power Supply

Functional Features

• Parallel-to-Serial Conversion: The SN74ALS164AN can convert parallel data into serial data for efficient transmission.
• High-Speed Operation: With a maximum clock frequency of 100 MHz, it enables rapid data transfer.
• TTL Compatibility: It is compatible with TTL logic levels, allowing seamless integration with other TTL devices.
• Cascadable: Multiple SN74ALS164AN chips can be cascaded to create longer shift registers.

Advantages and Disadvantages

Advantages: - High-speed operation enables quick data processing. - TTL compatibility ensures easy integration with other devices. - Cascadable feature allows for the creation of longer shift registers.

Disadvantages: - Limited number of bits (8) may not be sufficient for certain applications requiring larger data storage. - Requires an external clock signal for proper functioning.

Working Principles

The SN74ALS164AN operates based on the principle of serial-to-parallel data conversion. It receives serial data through the SER pin and converts it into parallel data, which is then available at the output pins QA to QH. The conversion process is controlled by the clock input (CLK) and the shift/load input (SH/LD). The master reset input (MR) resets the shift register to its initial state.

Detailed Application Field Plans

The SN74ALS164AN finds applications in various fields, including:

1. Data Communication: Used in serial data transmission systems to convert parallel data into a serial stream for efficient transmission over limited bandwidth channels.
2. Display Systems: Employed in LED display panels to control the sequential activation of individual LEDs.
3. Industrial Automation: Integrated into control systems to manage the timing and sequencing of signals in industrial processes.
4. Digital Counters: Utilized as a building block in digital counters to store and shift binary values.

Detailed and Complete Alternative Models

1. 74HC164: Similar shift register IC with CMOS logic family and higher supply voltage range.
2. CD4015: Dual 4-bit static shift register IC with complementary outputs.
3. SN74LS595: 8-bit serial-in/parallel-out shift register with tri-state outputs.

These alternative models offer similar functionality but may differ in terms of logic family, voltage range, and additional features.

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