SN74LV166APWT

Product Overview

• Category: Integrated Circuit
• Use: Shift Register
• Characteristics: Low-voltage, 8-bit parallel-in/serial-out shift register
• Package: TSSOP (Thin Shrink Small Outline Package)
• 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
• Maximum Clock Frequency: 50 MHz
• Number of Bits: 8
• Output Type: Tri-State
• Logic Family: LV (Low Voltage)

Detailed Pin Configuration

The SN74LV166APWT has a total of 16 pins, each serving a specific function:

1. SER (Serial Data Input)
2. CLK (Clock Input)
3. CLR (Clear Input)
4. QH' (Serial Output)
5. QA-QH (Parallel Outputs)
6. GND (Ground)
7. QA (Parallel Output)
8. QB (Parallel Output)
9. QC (Parallel Output)
10. QD (Parallel Output)
11. QE (Parallel Output)
12. QF (Parallel Output)
13. QG (Parallel Output)
14. QH (Parallel Output)
15. VCC (Supply Voltage)
16. OE (Output Enable)

Functional Features

• Serial-to-parallel data conversion
• Parallel outputs for easy interfacing with other devices
• Tri-state outputs for bus sharing applications
• Clear input for resetting the shift register
• Output enable control for disabling the outputs

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - High clock frequency enables fast data transfer - Tri-state outputs facilitate bus sharing and reduce conflicts - Compact TSSOP package saves board space

Disadvantages: - Limited number of bits (8) may not be sufficient for certain applications - Requires external clock signal for proper operation

Working Principles

The SN74LV166APWT is a shift register that converts serial input data into parallel output data. The serial data is fed into the SER pin, and on each rising edge of the CLK signal, the data is shifted to the next stage. The parallel outputs QA-QH reflect the current state of the shift register. The CLR input can be used to reset the register to its initial state, and the OE pin allows the outputs to be enabled or disabled.

Detailed Application Field Plans

The SN74LV166APWT is commonly used in various applications, including:

1. Serial-to-parallel data conversion in communication systems
2. Data storage and retrieval in memory devices
3. Parallel data processing in microcontrollers
4. Shift register-based LED displays
5. Serial data reception in digital receivers

Detailed and Complete Alternative Models

1. 74HC166: High-speed CMOS logic family, similar functionality
2. CD4015: Dual 4-bit static shift register, different pin configuration
3. SN74HC595: 8-bit serial-in/serial-out shift register with output latches

These alternative models offer similar or related functionality to the SN74LV166APWT and can be considered as alternatives based on specific requirements.

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