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74HC154D
+БОМEncoders, Decoders, Multiplexers & Demultiplexers 4-16 LINE DCOD/DMUX
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ПроизводительNexperia
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Мфр. Часть #74HC154D
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Лист данных 74HC154D DataSheet
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В наличии11249
365 Дни гарантии качества
7*24 часы обслуживания каранти
90-гарантия послепродажного дня
Гарантия подлинного продукта
Спецификации
| Атрибут | Ценность |
| StandardPackQty | 30 |
Обзор
Description
Each output of the 74HC154D is active low, meaning they will go low for the selected input combination while all other outputs remain high. The device operates within a supply voltage range of 2V to 6V and supports both TTL and CMOS compatibility, making it versatile in mixed-signal environments. Typical applications include memory address decoding, data routing, and signal demultiplexing.
The 74HC154D is available in a standard 24-pin dual in-line package (DIP) or surface-mount packages for ease of integration into various designs. Its low power consumption and high noise immunity make it a reliable choice for many digital logic applications.
Equivalent
1. 74HCT154: Another variant in the same logic family.
2. 74LS154: A similar device in the low-power Schottky TTL family.
3. 74F154: Part of the fast TTL logic family.
4. 74ACT154: An advanced CMOS version.
These alternatives often differ in parameters like voltage levels and speed but perform similar decoding functions. Always check datasheets for exact specifications and compatibility.
Features
1. High Speed: The device offers fast operation suitable for various digital applications.
2. Low Power Consumption: It has low power dissipation owing to CMOS technology.
3. Wide Supply Voltage Range: Operates from 2V to 6V, making it versatile for different circuits.
4. Output Drive Capability: Features high current sink capability, allowing it to drive loads directly.
5. Two Active Low Enable Inputs: Offers flexibility in circuit design and control.
6. Low Input Current: Ensures minimal loading on preceding logic stages.
7. Compatibility: Pin and function compatible with the older 54/74154 devices.
8. Output Configuration: The outputs are open-drain and can be wire-ORed with other outputs.
9. Temperature Range: Operates reliably across a wide temperature range, suitable for various environments.
These features make the 74HC154D suitable for applications requiring decoding or demultiplexing functions in digital systems.
Pinout
1. Pin Count: 24 pins.
2. Function: The 74HC154D takes a 4-bit binary input and decodes it into one of sixteen outputs. It has two active LOW enable inputs (G1 and G2). When enabled, one of the 16 outputs (Y0 to Y15) is selected based on the binary input address (A0 to A3). The selected output is driven LOW, while all other outputs remain HIGH.
3. Key Pin Functions:
- A0 to A3 (Pins 20, 19, 18, 17): Address inputs.
- G1, G2 (Pins 1, 2): Active LOW enable inputs.
- Y0 to Y15 (Pins 3 to 15, 23): Outputs.
- VCC (Pin 24): Positive supply voltage.
- GND (Pin 12): Ground.
This IC is commonly used in applications requiring decoding of binary information to drive multiple outputs, such as data routing and memory address decoding.