SN74LV166APWTE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Shift Register
• Characteristics: Low-voltage, 8-bit parallel-in/serial-out shift register
• Package: TSSOP-16
• Essence: Serial-to-parallel data conversion
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Input Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Output Current: ±6mA
• Clock Frequency: Up to 100MHz
• Number of Stages: 8

Detailed Pin Configuration

The SN74LV166APWTE4 has a total of 16 pins, which are assigned as follows:

1. SER (Serial Data Input)
2. QA (Parallel Output A)
3. QB (Parallel Output B)
4. QC (Parallel Output C)
5. QD (Parallel Output D)
6. QE (Parallel Output E)
7. QF (Parallel Output F)
8. QG (Parallel Output G)
9. CLK (Clock Input)
10. MR (Master Reset Input)
11. GND (Ground)
12. QH (Parallel Output H)
13. VCC (Supply Voltage)
14. DS (Serial Data Input)
15. OE (Output Enable Input)
16. QH' (Parallel Output H')

Functional Features

• Parallel-to-Serial Conversion: The SN74LV166APWTE4 can convert parallel data inputs into a serial output.
• Serial Data Input: Allows the user to input data serially.
• Clock Input: Controls the shifting of data from the parallel inputs to the serial output.
• Master Reset Input: Resets the shift register to its initial state.
• Output Enable Input: Enables or disables the parallel outputs.

Advantages and Disadvantages

Advantages: - Low-voltage operation allows for compatibility with a wide range of systems. - High clock frequency enables fast data transfer. - Compact TSSOP-16 package saves board space.

Disadvantages: - Limited number of stages (8) may not be sufficient for certain applications requiring larger shift registers. - Lack of built-in error detection or correction mechanisms.

Working Principles

The SN74LV166APWTE4 is a synchronous, 8-bit parallel-in/serial-out shift register. It operates by shifting data from the parallel inputs (QA to QH) to the serial output (QH') based on the clock input (CLK). The serial data input (SER) allows for additional data to be serially loaded into the shift register. The master reset input (MR) resets the shift register to its initial state, while the output enable input (OE) controls the parallel outputs' activation.

Detailed Application Field Plans

The SN74LV166APWTE4 can be used in various applications, including:

1. Serial Data Communication: Used to convert parallel data into a serial stream for transmission over communication channels.
2. Data Storage: Enables the storage of multiple bits of data in a compact form.
3. Digital Control Systems: Facilitates control signal generation and manipulation in digital systems.
4. LED Display Drivers: Can be utilized to drive LED displays by converting parallel data into a serial format.

Detailed and Complete Alternative Models

1. CD74HC165E: High-speed CMOS logic shift register with similar functionality.
2. 74HC595: 8-bit serial-in/serial-out shift register with output latches.
3. SN74LS164N: 8-bit serial-in/parallel-out shift register with asynchronous clear.

Note: These alternative models offer similar functionality but may have different specifications and pin configurations.

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