Hình ảnh chỉ để tham khảo
SN74LS148M
+BOM74LS148 - 10-LINE-TO-4-LINE AND
-
Nhà sản xuấtonsemi
-
Ông. Phần #SN74LS148M
-
Có sẵn9722
365 Đảm bảo chất lượng ngày
7*24 giờ dịch vụ quarantee
90-Bảo hành sau bán hàng ngày
Bảo hành sản phẩm chính xác
Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package / Case | Bulk |
| Part Status | Active |
Tổng quan
Description
Key features of the SN74LS148M include:
1. Priority Encoding: It resolves multiple active inputs by prioritizing the highest order input.
2. Active Low Inputs and Outputs: Both inputs and outputs are active low, meaning they are enabled when a logical zero is applied.
3. Enable Input and Output: It includes enable inputs and outputs for cascading multiple devices.
4. Cascadable: You can combine multiple SN74LS148M chips to handle more input lines.
5. Compact Package: Typically available in small-outline packages suitable for space-constrained applications.
This IC is widely used in digital circuits where input line prioritization and binary encoding are required, such as in data selection and multiplexing systems.
Equivalent
1. 74HC148
2. 74HCT148
3. 74F148
4. NTE74LS148
These chips perform similar functions and can be used in projects requiring priority encoding, though electrical characteristics like supply voltage and current might differ slightly. Always check the datasheet for compatibility with your application.
Features
1. Priority Encoding: It prioritizes inputs, encoding the highest-order active input line to a 3-bit binary output.
2. Cascading Capability: Facilitates the cascading of multiple units for encoding more than 8 inputs.
3. Active Low Inputs/Outputs: Both input and output lines are active low, meaning they respond to a logic level of zero.
4. Data Output: Provides a 3-bit binary code corresponding to the highest priority active input.
5. Enable Inputs: Includes active low enable inputs (EI and E2) and enable output (EO) for expansion and control.
6. Propagation Delay: Offers a fast propagation delay, typically around 21 ns, suitable for high-speed operations.
7. Package Type: Available in a 16-pin SOIC package.
8. Operating Temperature: Designed for a range of 0°C to 70°C.
9. Power Supply: Operates with a standard TTL power supply of 5V.
These features make the SN74LS148M suitable for applications requiring priority signal encoding and efficient data handling.
Pinout
Manufacturer
Application
1. Digital Data Processing: Prioritizing multiple input signals for data encoding.
2. Interrupt Handling: Managing interrupt signals in microprocessor systems.
3. Binary Encoding: Converting 8-line inputs to 3-line binary outputs, useful in simplifying circuit designs.
4. Signal Multiplexing: Selecting and routing high-priority signals in communication systems.
5. Control Systems: Implementing priority control in automation and control applications.
These features make it suitable for use in embedded systems, communication devices, and industrial automation.