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SN74LS628NSR
+NomenclatureIC OSC VCO 20MHZ 14SO
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FabricantTexas Instruments
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Pièce fabricant #SN74LS628NSR
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Fiche technique SN74LS628NSR DataSheet
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Package 14-SOIC (0.209, 5.30mm Width)
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En stock8536
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Spécifications
| Attribut | Valeur |
| Supplier | Texas Instruments,Rochester Electronics, LLC |
| Package | Tape & Reel (TR),Bulk |
| Series | 74LS |
| ProductStatus | Discontinued at Digi-Key |
| Type | VCO |
| Frequency | 20MHz |
| Voltage-Supply | 4.75V ~ 5.25V |
| Current-Supply | 20 mA |
| OperatingTemperature | 0°C ~ 70°C |
| Package/Case | 14-SOIC (0.209, 5.30mm Width) |
| SupplierDevicePackage | 14-SO |
Présentation
Description
Key features of the SN74LS628NSR include a wide range of operating frequencies, typically from a few kHz to over 10 MHz, and the capability to operate with a single supply voltage, usually 5V. The device provides a stable frequency output that is less sensitive to changes in temperature and power supply variations due to its internal compensation mechanisms. It includes both square wave and triangle wave outputs, allowing for flexible integration into various electronic systems.
Moreover, the SN74LS628NSR is known for its low power consumption and ease of use, with straightforward interfacing options for both digital and analog control systems. Its compact packaging and reliable performance make it ideal for use in consumer electronics, communication systems, and instrumentation applications.
Equivalent
Features
1. Voltage-Controlled Oscillator (VCO): It provides frequency synthesis with a selectable range, making it suitable for applications needing frequency modulation or demodulation.
2. Wide Frequency Range: The device supports a broad frequency range, allowing flexibility in various timing and modulation applications.
3. Temperature Stability: Built to maintain performance across a wide temperature range, ensuring reliable operation in varied environmental conditions.
4. Phase-Locked Loop (PLL) Compatibility: Can be used in conjunction with PLL circuits for frequency multiplication and synthesis tasks.
5. Dual Power Supply: Operates with a standard 5V power supply, aligning with TTL logic levels.
6. Low Power Consumption: Designed for efficient power usage, making it suitable for battery-operated devices.
7. Small Form Factor: Available in a compact SOIC (Small Outline Integrated Circuit) package, which is ideal for space-constrained designs.
These features make the SN74LS628NSR a versatile choice for applications in telecommunications, signal processing, and frequency control systems.
Pinout
Key functions and pins include:
- VCC (Pin 16): Power supply pin.
- GND (Pin 8): Ground pin.
- VCO IN (Pin 9): Voltage control input for frequency modulation.
- CAP (Pins 4, 5): Connected to an external timing capacitor.
- RES (Pin 6): Connected to an external timing resistor.
- FREQ ADJ (Pin 3): Provides additional frequency adjustment capability.
- OUTPUT (Pin 13): Provides the square wave output.
- Other pins are used for additional controls and configurations.
The SN74LS628NSR is commonly used in communication systems, signal processing, and any application requiring variable frequency generation.