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SN74HC259N
+NomenclatureIC 8-BIT ADDRESS LATCH 16-DIP
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FabricantTexas Instruments
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Pièce fabricant #SN74HC259N
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Package 16-DIP (0.300, 7.62mm)
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En stock3263
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Spécifications
| Attribut | Valeur |
| Package | Tube |
| Series | 74HC |
| ProductStatus | Active |
| LogicType | D-Type, Addressable |
| Circuit | 1:8 |
| OutputType | Standard |
| Voltage-Supply | 2V ~ 6V |
| IndependentCircuits | 1 |
| DelayTime-Propagation | 13ns |
| Current-OutputHighLow | 5.2mA, 5.2mA |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Through Hole |
| Package/Case | 16-DIP (0.300, 7.62mm) |
Présentation
Description
Key features of the SN74HC259N include:
- 8 latch outputs, each capable of driving up to 10 LSTTL loads
- Ability to directly interface with CMOS, NMOS, and TTL
- An active-high enable (EN) pin for data input control
- Address lines (A0 to A2) for selecting one of eight latches
- A clear (CLR) input that resets all outputs to low when activated
This IC is commonly used in memory, control, and multiplexing applications. It operates over a voltage range of 2V to 6V and is housed in a standard 16-pin DIP package. The SN74HC259N is valued for its reliability and efficiency in handling multiple data signals in embedded systems.
Equivalent
Features
1. 8-Bit Latch Capability: It can store 8 bits of data, allowing for versatile data manipulation and storage.
2. Addressable Latch: Each bit can be individually addressed, permitting selective data storage and retrieval.
3. High-Speed Operation: The device is designed for high-speed performance, suitable for various digital applications.
4. Low Power Consumption: Being a CMOS device, it offers low power dissipation, increasing efficiency in power-sensitive applications.
5. Wide Voltage Range: It operates over a broad voltage range, enhancing compatibility with various systems.
6. Tri-State Outputs: Features tri-state outputs for easy bus interfacing and minimizing signal interference.
7. Latch Enable Control: Includes a latch enable pin, providing additional control over data storage operations.
8. Robust Temperature Range: It functions effectively over a wide temperature range, suitable for diverse environments.
These features make the SN74HC259N ideal for use in digital systems that require efficient data management and control.
Pinout
Here is a brief description of its pin functions:
1. VCC (Pin 16): Power supply.
2. GND (Pin 8): Ground.
3. D (Pin 1): Data input for the latch.
4. Q0 to Q7 (Pins 4, 5, 6, 7, 9, 10, 11, 12): Latch outputs.
5. LE (Pin 3): Latch enable, controls data storage.
6. CLR (Pin 15): Clear, resets all outputs to low when activated.
7. A0, A1, A2 (Pins 13, 2, 14): Address inputs to select which latch is active.
8. EN (Pin 13): Enable input, when low, prevents the latch from storing data.
The SN74HC259N is suitable for use in a wide range of applications including memory address decoding, data routing, and various control applications.
Manufacturer
Application
1. Data Latching and Storage: Temporarily storing data in digital circuits.
2. Demultiplexing: Directing a single data input to one of several outputs.
3. Control Systems: Managing multiple control signals with a single device.
4. LED Display Control: Driving LED displays by controlling individual segments.
5. Memory Address Decoding: Facilitating address decoding in memory systems.
6. Signal Routing: Used in systems that require routing of digital signals.
Its versatility and ability to control multiple outputs efficiently make it suitable for a variety of digital circuit applications.