SN74HC259DRE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data Storage and Control
• Characteristics: High-Speed, 8-Bit Addressable Latch
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: A versatile latch that can store and control data in various applications
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2V to 6V
• High-Level Input Voltage: 2V to VCC
• Low-Level Input Voltage: GND to 0.8V
• High-Level Output Current: -6mA
• Low-Level Output Current: 6mA
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

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

Functional Features

• 8-bit addressable latch with parallel and serial data inputs
• Can store and control data in a wide range of applications
• Serial data input allows cascading multiple latches for expanded functionality
• Output enable input for easy control of output states
• High-speed operation for efficient data handling

Advantages

• Versatile and flexible data storage and control solution
• High-speed operation enables quick data processing
• Easy integration into various electronic systems
• Compact SOIC package saves board space
• Wide supply voltage range allows compatibility with different power sources

Disadvantages

• Limited number of outputs (8 bits)
• Requires external clock signals for proper operation
• Sensitivity to voltage fluctuations may affect performance

Working Principles

The SN74HC259DRE4 is an 8-bit addressable latch that can store and control data. It operates based on clock signals provided to the register clock (RCLK) and shift register clock (SRCLK) inputs. The latch has parallel data inputs (QA-QH) and a serial data input (SER). When the RCLK signal transitions from low to high, the data present at the parallel inputs is latched and stored. The stored data can be accessed through the parallel outputs (QA-QH) or the serial output (QH').

Detailed Application Field Plans

• Data storage and control in microcontrollers and microprocessors
• Address decoding in memory systems
• Serial-to-parallel data conversion in communication systems
• Control signal generation in digital circuits
• Multiplexing and demultiplexing applications

Detailed and Complete Alternative Models

1. SN74HC259N: DIP (Dual Inline Package) version of SN74HC259DRE4
2. CD74HC259E: Equivalent latch from a different manufacturer
3. 74HCT259: CMOS-based latch with similar functionality

(Note: This list is not exhaustive and there are other alternative models available in the market.)

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