사양
| 속성 | 가치 |
| Package | Tube |
| Series | 74HC |
| ProductStatus | Active |
| LogicType | Shift Register |
| OutputType | Tri-State |
| NumberofElements | 1 |
| NumberofBitsperElement | 8 |
| Function | Serial to Parallel, Serial |
| Voltage-Supply | 2V ~ 6V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 16-TSSOP (0.173, 4.40mm Width) |
개요
Description
The SN74HC595PW is an integrated circuit that functions as an 8-bit serial-in, parallel-out shift register with a storage register and three-state outputs. It is part of the 74HC series of high-speed CMOS devices and is commonly used to extend microcontroller I/O capabilities. The device operates on a wide voltage range (2V to 6V), making it versatile for various applications.
Key features include:
1. 8-Bit Shift Register: Serial data input allows for storage of data bits, which can be shifted in and out.
2. Parallel Outputs: The stored data can be output simultaneously on eight parallel output pins.
3. Three-State Outputs: Outputs can be set to high, low, or high-impedance state, enabling easy connection to bus lines.
4. Clock and Latch Pins: Data shifting is controlled by a clock pin, while a latch pin updates the output register.
5. Cascade Capability: Multiple SN74HC595PW devices can be connected in series for expanding the output capability.
This IC is commonly used in applications such as LED displays, data buses, and other digital tasks requiring multiple outputs from limited I/O pins.
Key features include:
1. 8-Bit Shift Register: Serial data input allows for storage of data bits, which can be shifted in and out.
2. Parallel Outputs: The stored data can be output simultaneously on eight parallel output pins.
3. Three-State Outputs: Outputs can be set to high, low, or high-impedance state, enabling easy connection to bus lines.
4. Clock and Latch Pins: Data shifting is controlled by a clock pin, while a latch pin updates the output register.
5. Cascade Capability: Multiple SN74HC595PW devices can be connected in series for expanding the output capability.
This IC is commonly used in applications such as LED displays, data buses, and other digital tasks requiring multiple outputs from limited I/O pins.
Equivalent
The SN74HC595PW is an 8-bit serial-in, parallel-out shift register with a latch. Equivalent products include the CD74HC595 from Texas Instruments, 74HC595D from Nexperia, MC74HC595AD from ON Semiconductor, and HEF4759BT from NXP Semiconductors. These chips generally have similar functionalities and electrical characteristics, making them suitable alternatives in most applications. Always check the datasheet to ensure compatibility with your specific requirements.
Features
The SN74HC595PW is an 8-bit serial-in, parallel-out shift register with output latches that feature a high-speed silicon-gate CMOS technology. Key features include:
1. Serial to Parallel Conversion: Converts serial input data to parallel output.
2. 8-Bit Shift Register: Integrates an 8-bit register with output latches for parallel data storage.
3. High-Speed Operation: Offers fast switching speeds suitable for high-frequency applications.
4. Low Power Consumption: Utilizes CMOS technology for efficient power usage.
5. 3-State Outputs: Provides tri-state output capabilities, enabling direct bus line driving.
6. Wide Supply Voltage: Operates over a voltage range of 2V to 6V, enhancing application flexibility.
7. Data Latching: Includes separate serial and latch clocks to manage data shifting and latching independently.
8. Cascade Capability: Multiple SN74HC595PW devices can be cascaded for extended data width.
9. Compact Package: Available in a TSSOP package, suitable for space-constrained designs.
10. High Noise Immunity: Ensures reliable performance in noisy environments.
These features make it ideal for use in applications requiring data display, LED driving, and microcontroller interfacing.
1. Serial to Parallel Conversion: Converts serial input data to parallel output.
2. 8-Bit Shift Register: Integrates an 8-bit register with output latches for parallel data storage.
3. High-Speed Operation: Offers fast switching speeds suitable for high-frequency applications.
4. Low Power Consumption: Utilizes CMOS technology for efficient power usage.
5. 3-State Outputs: Provides tri-state output capabilities, enabling direct bus line driving.
6. Wide Supply Voltage: Operates over a voltage range of 2V to 6V, enhancing application flexibility.
7. Data Latching: Includes separate serial and latch clocks to manage data shifting and latching independently.
8. Cascade Capability: Multiple SN74HC595PW devices can be cascaded for extended data width.
9. Compact Package: Available in a TSSOP package, suitable for space-constrained designs.
10. High Noise Immunity: Ensures reliable performance in noisy environments.
These features make it ideal for use in applications requiring data display, LED driving, and microcontroller interfacing.
Pinout
The SN74HC595PW is a 16-pin IC, specifically a serial-in, parallel-out shift register with a storage register. It is commonly used for expanding the number of output pins available to a microcontroller or microprocessor. Here's a brief overview of its pin functions:
1. Q1 to Q7 (Pins 15, 1-7): Parallel output pins.
2. GND (Pin 8): Ground.
3. VCC (Pin 16): Power supply.
4. DS (Pin 14): Serial data input.
5. STCP (Pin 12): Storage register clock input (latch pin).
6. SHCP (Pin 11): Shift register clock input.
7. OE (Pin 13): Output enable (active low).
8. MR (Pin 10): Master reset (active low).
9. Q7' (Pin 9): Serial data output for cascading multiple shift registers.
The SN74HC595PW allows a microcontroller to control a larger number of outputs using fewer pins by shifting data into the IC serially and then latching it to the outputs. This makes it useful in applications like LED displays, where numerous outputs need to be controlled.
1. Q1 to Q7 (Pins 15, 1-7): Parallel output pins.
2. GND (Pin 8): Ground.
3. VCC (Pin 16): Power supply.
4. DS (Pin 14): Serial data input.
5. STCP (Pin 12): Storage register clock input (latch pin).
6. SHCP (Pin 11): Shift register clock input.
7. OE (Pin 13): Output enable (active low).
8. MR (Pin 10): Master reset (active low).
9. Q7' (Pin 9): Serial data output for cascading multiple shift registers.
The SN74HC595PW allows a microcontroller to control a larger number of outputs using fewer pins by shifting data into the IC serially and then latching it to the outputs. This makes it useful in applications like LED displays, where numerous outputs need to be controlled.
Manufacturer
The SN74HC595PW is manufactured by Texas Instruments (TI). Texas Instruments is a global technology company that designs and manufactures semiconductors and various integrated circuits. The company is well-known for its wide range of electronic components used in various applications, including consumer electronics, automotive systems, industrial equipment, and communications infrastructure. Texas Instruments is particularly recognized for its analog and embedded processing products, which form the backbone of many electronic devices and systems.
Application
The SN74HC595PW is a versatile shift register IC used mainly for expanding I/O ports in microcontroller applications. Common application areas include controlling LED displays, driving seven-segment displays, and operating relays or solenoids. It is also used in digital data storage, signal generation, and creating simple digital counter circuits. Its ability to convert serial input data into parallel output makes it valuable in reducing microcontroller pin usage, especially in projects with limited I/O availability. Additionally, it's used in robotics for controlling multiple actuators and sensors, and in consumer electronics for managing various display and input functions.
Package
The SN74HC595PW is a 16-pin TSSOP (Thin Shrink Small Outline Package). This surface-mount device is known for its compact size and is commonly used in digital electronics for its ease of placement on PCBs.
