SN74LS299DWRG4

Product Overview

• Category: Integrated Circuit
• Use: Shift Register
• Characteristics: TTL Logic, 8-bit parallel-in/serial-out shift register with tri-state outputs
• Package: SOIC-20
• Essence: Serial-to-parallel data conversion and storage
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 4.75V to 5.25V
• High-Level Input Voltage: 2V (min), 7V (max)
• Low-Level Input Voltage: -0.5V (min), 0.8V (max)
• High-Level Output Voltage: 2.7V (min), VCC (max)
• Low-Level Output Voltage: 0.5V (max)
• Maximum Clock Frequency: 33MHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. SER (Serial Data Input)
2. CLK (Clock Input)
3. G (Output Enable Input)
4. QH' (Serial Output)
5. QH (Parallel Outputs)
6. D0 (Parallel Inputs)
7. D1 (Parallel Inputs)
8. D2 (Parallel Inputs)
9. D3 (Parallel Inputs)
10. D4 (Parallel Inputs)
11. D5 (Parallel Inputs)
12. D6 (Parallel Inputs)
13. D7 (Parallel Inputs)
14. VCC (Supply Voltage)
15. GND (Ground)
16. QH (Parallel Outputs)
17. QH' (Serial Output)
18. OE (Output Enable)
19. CLR (Clear)
20. MR (Master Reset)

Functional Features

• Converts serial input data into parallel output data
• Stores the parallel data in internal flip-flops
• Tri-state outputs allow multiple devices to be connected in a bus configuration
• Output Enable (OE) and Clear (CLR) inputs for control and reset operations
• Master Reset (MR) input for synchronous reset of all flip-flops

Advantages and Disadvantages

Advantages: - Fast data transfer rate up to 33MHz - Tri-state outputs enable easy bus sharing - Compact SOIC-20 package for space-saving designs - Wide operating temperature range (-40°C to +85°C)

Disadvantages: - Requires external clock signal for operation - Limited to 8-bit parallel data storage

Working Principles

The SN74LS299DWRG4 is a shift register that converts serial input data into parallel output data. It consists of eight D-type flip-flops that store the parallel data. The clock input (CLK) synchronizes the shifting of data from the serial input (SER) to the parallel outputs (QH and QH'). The Output Enable (OE) input controls the tri-state outputs, allowing multiple devices to share a common bus. The Clear (CLR) input resets all flip-flops, while the Master Reset (MR) input synchronously resets all flip-flops.

Detailed Application Field Plans

• Serial-to-parallel data conversion in communication systems
• Data storage and retrieval in microcontrollers
• Parallel data processing in digital signal processing applications
• Bus sharing in multi-device systems

Detailed and Complete Alternative Models

1. SN74HC299: High-speed CMOS version with similar functionality
2. CD4021B: CMOS version with 8-bit parallel-in/serial-out shift register
3. 74HC595: CMOS version with 8-bit serial-in/serial-out shift register and latch

(Note: This list is not exhaustive and other alternative models may exist.)

Word count: 408 words