74HC259BQ-Q100,115

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data Storage and Control
• Characteristics: High-Speed, Low-Power, CMOS Logic
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: 8-Bit Addressable Latch/Shift Register
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2V to 6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +125°C
• Maximum Clock Frequency: 80 MHz
• Maximum Propagation Delay: 20 ns
• Number of Inputs/Outputs: 16

Detailed Pin Configuration

1. GND (Ground)
2. QA (Output A)
3. QB (Output B)
4. QC (Output C)
5. QD (Output D)
6. QE (Output E)
7. QF (Output F)
8. QG (Output G)
9. QH (Output H)
10. MR (Master Reset)
11. SH/LD (Shift/Load)
12. CLK (Clock)
13. SER (Serial Data Input)
14. A0 (Address Input 0)
15. A1 (Address Input 1)
16. VCC (Supply Voltage)

Functional Features

• 8-bit parallel-in/serial-out shift register
• Addressable latch functionality
• Serial data input with synchronous clocking
• Master reset for clearing the register
• Shift/load control for selecting between shift and latch modes

Advantages and Disadvantages

Advantages: - High-speed operation - Low power consumption - Wide supply voltage range - Compact TSSOP package - Easy integration into various electronic systems

Disadvantages: - Limited number of inputs/outputs (16) - Not suitable for applications requiring a larger register size

Working Principles

The 74HC259BQ-Q100,115 is an 8-bit addressable latch/shift register. It can store and control data in both parallel and serial formats. The device has eight outputs (QA to QH) that can be individually addressed and controlled. It also features a master reset input (MR) for clearing the register and a shift/load input (SH/LD) for selecting between shift and latch modes.

In shift mode, the register behaves as a serial-in/serial-out shift register. Data is shifted through the register from the serial data input (SER) to the output pins (QA to QH) on each clock pulse. In latch mode, the register acts as an addressable latch, where the state of the inputs (A0 and A1) determines which output pin is latched and holds its value until the next latch operation.

Detailed Application Field Plans

The 74HC259BQ-Q100,115 finds applications in various fields, including:

1. Digital Communication Systems: Used for data buffering and multiplexing.
2. Industrial Automation: Controls and monitors multiple devices using addressable control signals.
3. Automotive Electronics: Provides addressable storage for sensor data and control signals.
4. Consumer Electronics: Used in remote control systems, LED displays, and digital audio equipment.
5. Computer Peripherals: Enables addressable control of peripheral devices such as printers and scanners.

Detailed and Complete Alternative Models

Some alternative models to the 74HC259BQ-Q100,115 include:

1. SN74HC259N by Texas Instruments
2. CD74HC259E by Texas Instruments
3. MC74HC259AN by ON Semiconductor
4. 74HCT259 by NXP Semiconductors

These models offer similar functionality and can be used as alternatives depending on specific requirements.

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