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74HC259D
+Lista de MateriaisIC 8BIT ADDRESSABLE LATCH 16SOIC
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FabricanteToshiba Semiconductor and Storage
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Peça do Fabricante #74HC259D
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Ficha Técnica 74HC259D DataSheet
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Pacote SOIC-20
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Em Estoque7207
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Especificações
| Atributo | Valor |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | 74HC |
| Part Status | Active |
| Logic Type | D-Type, Addressable |
| Circuit | 1:8 |
| Output Type | Standard |
| Voltage - Supply | 2V ~ 6V |
| Independent Circuits | 1 |
| Delay Time - Propagation | 22ns |
| Current - Output High Low | 5.2mA, 5.2mA |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
Visão Geral
Description
Key features include:
- Operating voltage range: 2V to 6V.
- Low power consumption: typical quiescent current is in the microampere range.
- Fast switching speeds, typically in nanoseconds.
- Outputs can drive up to 10 LSTTL loads.
The device supports both serial and parallel input-output operations, making it suitable for address decoding, data routing, and control logic applications. It can be used in a variety of applications such as data distribution, memory addressing, and display control. The 'D' in the part number typically indicates the device is in a small-outline integrated circuit (SOIC) package. Its versatility and reliability make it popular for use in digital systems.
Equivalent
Features
1. 8-Bit Addressable Latch: It has eight data outputs, which can be individually addressed and controlled.
2. 3-State Outputs: Offers high-impedance state for bus-oriented applications.
3. High-Speed Operation: Part of the 74HC series, it’s constructed with CMOS technology for fast switching.
4. Wide Supply Voltage Range: Operates between 2V and 6V.
5. Low Power Consumption: CMOS technology ensures minimal power usage.
6. Direct Interface to TTL Levels: Compatible with TTL input levels.
7. Address and Enable Inputs: Equipped with address and enable inputs for selecting and controlling data latches.
8. Latch Enable Input: Controls whether data is latched or transparent.
9. Standard Pin Configuration: Available in a standard 16-pin package for easy integration.
This component is suitable for use in memory decoders, demultiplexing, and similar applications where data storage and retrieval are critical.
Pinout
1. Pin Count: 16 pins.
2. Pin Functions:
- Q0 to Q7 (Pins 4-7, 9-12): These are the output pins for the 8-bit latch outputs.
- Data (Pin 3): Input pin for the data to be stored in the selected latch.
- Address (Pins 14, 13, 1): These three pins (A0, A1, A2) select which latch (Q0 to Q7) will be addressed.
- Enable (Pin 15): Enables the latching function when active.
- Clear (Pin 2): Resets all latch outputs to low when active.
- VCC (Pin 16): Power supply pin.
- GND (Pin 8): Ground pin.
The 74HC259D is typically used in digital circuits for addressing, data storage, and selection purposes.
Manufacturer
Application
1. Data Storage and Retrieval: It holds data temporarily for processing in microcontroller or microprocessor systems.
2. Demultiplexing: Used in systems needing multiple output lines from a single input signal.
3. LED and Display Control: Manages multiple LEDs or display segments, reducing I/O pin requirements.
4. Signal Routing: Directs data or control signals to specific lines in communication and control systems.
5. Memory Address Decoding: Simplifies address line decoding in memory-related applications.
These functions make it valuable in automation, embedded systems, and digital signal processing.