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SN74AHC595DR
+物料清單IC SR TRI-STATE 8BIT 16-SOIC
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製造商德州儀器
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製造商部分 #SN74AHC595DR
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規格
| 屬性 | 價值 |
| Series | 74AHC |
| PartStatus | Active |
| LogicType | Shift Register |
| OutputType | Tri-State |
| NumberofElements | 1 |
| NumberofBitsperElement | 8 |
| Function | Serial to Parallel, Serial |
| Voltage-Supply | 2V ~ 5.5V |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | 16-SOIC (0.154", 3.90mm Width) |
| SupplierDevicePackage | 16-SOIC |
| BaseProductNumber | 74AHC595 |
概述
Description
Key functionalities include the ability to cascade multiple devices for increasing the number of output bits, as well as a "latch" function that holds the output state until updated. The SN74AHC595DR supports both rising and falling edge clocking, providing flexibility in timing applications.
It is commonly used in applications like LED driving, data storage, and microcontroller interfacing, thanks to its low power consumption and high speed. The "DR" in the part number indicates it comes in a small SSOP package, making it suitable for compact designs. Overall, the SN74AHC595DR is a versatile component for expanding output capabilities in electronic designs.
Equivalent
Features
1. 8-Bit Shift Register: Handles 8 bits of data, allowing for efficient data storage and transfer.
2. Output Latch: Maintains the output state until new data is shifted in, providing stable output.
3. Serial Input/Output: Supports serial data input and output, facilitating easy cascading of multiple devices.
4. High-Speed Operation: Rated for high-speed operation up to 100 MHz, suitable for fast data processing.
5. Low Power Consumption: Operates at low supply voltage (2V to 5.5V), making it energy-efficient.
6. TTL Compatible: Compatible with TTL logic levels, allowing integration with various digital systems.
7. Active-Low Reset: Features an asynchronous reset to clear the shift register and output, ensuring reliable operation.
8. Wide Operating Temperature: Functional across a temperature range of -40°C to 125°C.
This versatility makes the SN74AHC595DR suitable for various applications, including LED control and data communication interfaces.
Pinout
1. Pin 1 (Q7’): Serial out.
2. Pin 2 (Q6): Parallel output 6.
3. Pin 3 (Q5): Parallel output 5.
4. Pin 4 (Q4): Parallel output 4.
5. Pin 5 (Q3): Parallel output 3.
6. Pin 6 (Q2): Parallel output 2.
7. Pin 7 (Q1): Parallel output 1.
8. Pin 8 (GND): Ground.
9. Pin 9 (MR): Master reset (active low).
10. Pin 10 (SRCLK): Shift register clock input.
11. Pin 11 (SER): Serial data input.
12. Pin 12 (SRCLR): Shift register clear (active low).
13. Pin 13 (OE): Output enable (active low).
14. Pin 14 (RCLK): Register clock input.
15. Pin 15 (VCC): Power supply.
16. Pin 16 (Q0): Parallel output 0.
This device is commonly used in applications requiring data storage and manipulation, such as LED driving and data communication.
Manufacturer
The SN74AHC595DR is a 8-bit shift register with output latch, designed for high-speed applications and compatible with TTL logic levels. It is part of TI's 74 series of logic devices, which are widely used for digital circuit design and integration. Texas Instruments is known for its innovation in the semiconductor industry, focusing on high-performance products that enhance efficiency and functionality in electronic devices.
Application
1. Data Storage: Temporary data storage in digital circuits.
2. LED Display Control: Driving LED matrices and displays with reduced pin count.
3. Signal Processing: Serial-to-parallel data conversion in communication systems.
4. Microcontroller Interfaces: Expanding I/O capabilities for microcontrollers and microprocessors.
5. Automation: Control of motors and relays in automation systems.
6. Digital Signal Processing: Used in audio and video equipment for managing data streams.
Its versatility makes it suitable for both consumer electronics and industrial applications.