SN74ALS29854DWRE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic
• Characteristics: High-speed, low-power, 8-bit universal shift/storage register
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Shift and store data in digital systems
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Operating Temperature Range: -40°C to 85°C
• Input/Output Compatibility: TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor)
• Number of Bits: 8
• Clock Frequency: Up to 100 MHz
• Output Drive Capability: ±24 mA
• Propagation Delay: 6 ns (typical)

Detailed Pin Configuration

1. GND (Ground)
2. SER_IN (Serial Data Input)
3. CLK (Clock Input)
4. RCLK (Register Clock Input)
5. SRCLR (Shift Register Clear Input)
6. OE (Output Enable Input)
7. QA-QH (Parallel Outputs)
8. VCC (Supply Voltage)

Functional Features

• Universal Shift/Storage Register: Can be used for serial-to-parallel or parallel-to-serial data conversion.
• Asynchronous Clear: Allows clearing the shift register asynchronously.
• Output Enable: Enables/disables the outputs.
• Parallel Outputs: Provides 8 parallel output lines.
• High-Speed Operation: Supports clock frequencies up to 100 MHz.

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data processing. - Versatile functionality enables various data manipulation tasks. - Wide supply voltage range ensures compatibility with different systems. - Compact SOIC package saves board space.

Disadvantages: - Limited output drive capability may require additional buffering for certain applications. - Propagation delay of 6 ns may introduce timing constraints in high-speed systems.

Working Principles

The SN74ALS29854DWRE4 is an 8-bit universal shift/storage register. It can be used to convert data between serial and parallel formats. The input data is shifted into the register using the CLK (Clock) input, and the RCLK (Register Clock) input latches the data into the parallel outputs. The SRCLR (Shift Register Clear) input asynchronously clears the shift register, while the OE (Output Enable) input enables or disables the outputs.

Detailed Application Field Plans

1. Serial-to-Parallel Conversion: Use the SN74ALS29854DWRE4 to convert a serial data stream into parallel data for further processing in digital systems.
2. Parallel-to-Serial Conversion: Utilize the IC to convert parallel data into a serial stream suitable for transmission or storage.
3. Data Storage: Store data temporarily in the shift register before transferring it to other components or subsystems.
4. Data Manipulation: Perform various logical operations on the data within the shift register, such as shifting, rotating, or combining bits.

Detailed and Complete Alternative Models

1. SN74ALS29854DWR: Similar to SN74ALS29854DWRE4 but without the tape and reel packaging.
2. SN74ALS29854NE4: Same functionality as SN74ALS29854DWRE4 but with a different package (PDIP - Plastic Dual-In-Line Package).
3. SN74ALS29854PW: Pin-compatible alternative with improved power dissipation characteristics.

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