74AHC595PW

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74AHC595PW

+Nomenclature

Counter Shift Registers 8-BIT SHIFT REG W/OUTPUT LATCH

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Spécifications

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StandardPackQty 96

Présentation

Description

The 74AHC595PW is an 8-bit serial-in, parallel-out shift register with output latches. It is part of the 74AHC logic family, known for its high-speed CMOS technology. The device features a serial input (DS), a clock input (SHCP), a latch clock input (STCP), and three-state serial data output (Q7S) for cascading purposes. It has eight parallel outputs (Q0 to Q7) that are controlled by the latch enable pin, allowing stored data to be shifted and presented in parallel.
Key features of the 74AHC595PW include low power consumption, high noise immunity, and the ability to drive ten low-power Schottky TTL loads. The device operates with a supply voltage range from 2V to 5.5V, making it suitable for a wide range of applications. Its compact TSSOP (Thin Shrink Small Outline Package) form factor is ideal for space-constrained designs.
The 74AHC595PW is commonly used in LED displays, data storage applications, and any system requiring efficient data management and conversion from serial to parallel output.

Equivalent

The 74AHC595PW is an 8-bit serial-in, parallel-out shift register with a storage register and 3-state outputs. Equivalent products include the SN74HC595 from Texas Instruments, the MC74HC595 from ON Semiconductor, and the CD74HC595 from Texas Instruments. These chips share similar functionalities and are often used interchangeably in projects requiring serial-to-parallel conversion. Always check specific datasheets for detailed specifications and compatibility.

Features

The 74AHC595PW is an 8-bit serial-in, serial or parallel-out shift register with output latches. It is designed for use in medium-speed applications. Key features include:
1. High-Speed Operation: Supports high-speed data transfer and clock speeds up to 100 MHz.
2. Low Power Consumption: Designed for low power operation to enhance efficiency.
3. Wide Supply Voltage Range: Operates from 2.0V to 5.5V, offering flexibility for various applications.
4. 8-Bit Data Capability: Can handle 8 bits of data, with the ability to shift data serially or parallel load outputs.
5. Latch Enable: Features output latches that enable data storage after shifting, ensuring stable data output.
6. Tri-State Outputs: Facilitates bus-oriented applications with tri-state output capability.
7. Serial and Parallel Output: Can output data in both serial and parallel formats, increasing versatility.
8. Package Options: Available in a TSSOP package, which is compact and suitable for space-constrained designs.
These features make the 74AHC595PW suitable for applications requiring efficient data transfer and control, such as LED displays and data registers.

Pinout

The 74AHC595PW is a high-speed CMOS device that functions as an 8-bit serial-in, serial or parallel-out shift register with a storage register and 3-state outputs. It is commonly used for serial-to-parallel data conversion.
Pin Count:
The 74AHC595PW comes in a 16-pin package.
Pin Functions:
1. Q1-Q7: Parallel data output pins.
2. SER: Serial data input.
3. SRCLK: Shift register clock input; data is shifted on the rising edge.
4. RCLK: Storage register clock input; transfers data to the output on the rising edge.
5. OE: Output enable; active low. When high, outputs are in high-impedance state.
6. MR: Master reset; active low. Clears the shift register.
7. Q7': Serial output for cascading multiple devices.
8. VCC: Supply voltage.
9. GND: Ground.
This configuration allows cascading multiple devices for expanding data width and controlling various digital functions in embedded systems.

Manufacturer

The 74AHC595PW is manufactured by Nexperia. Nexperia is a semiconductor company that specializes in the production of discrete and power devices as well as analog and logic integrated circuits. The company was originally part of NXP Semiconductors but became an independent entity in 2017. Nexperia is known for its focus on efficiency and performance in its semiconductor products, catering to a wide range of industries including automotive, industrial, computing, consumer electronics, and communication applications.

Application

The 74AHC595PW is an 8-bit shift register with output latches, commonly used in applications requiring serial-to-parallel data conversion. It is often employed in situations where microcontrollers with limited I/O pins need to control multiple outputs. Typical application areas include LED displays, where multiple LEDs are controlled using fewer pins, and driving segment displays. It is also used in data-driven applications like multiplexers and demultiplexers. Additionally, it can be found in digital data storage applications and buffering applications where temporary data storage and retrieval are essential. Its ability to cascade multiple units makes it flexible for expansive output requirements.

Package

The 74AHC595PW is a shift register IC with an 8-bit serial-input, serial or parallel-output. It comes in a TSSOP (Thin Shrink Small Outline Package) with 16 pins, designed for compact and efficient use in electronic circuits.

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