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SN74LS629N
+NomenclatureIC OSC DUAL VCO 20MHZ 16-DIP
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FabricantTexas Instruments
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Pièce fabricant #SN74LS629N
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Fiche technique SN74LS629N DataSheet
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Package 16-DIP (0.300, 7.62mm)
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En stock171
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Spécifications
| Attribut | Valeur |
| Supplier | Texas Instruments |
| Package | Tube |
| Series | 74LS |
| ProductStatus | Active |
| Type | VCO (Dual) |
| Frequency | 20MHz |
| Voltage-Supply | 4.75V ~ 5.25V |
| Current-Supply | 35 mA |
| OperatingTemperature | 0°C ~ 70°C |
| Package/Case | 16-DIP (0.300, 7.62mm) |
| SupplierDevicePackage | 16-PDIP |
Présentation
Description
The IC operates with a supply voltage range of 4.75V to 5.25V and offers TTL-compatible input and output levels, making it suitable for interfacing with other TTL logic devices. The frequency of oscillation can be controlled by varying the voltage applied to the control voltage input pins. The device is typically packaged in a 16-pin dual in-line package (DIP).
Key features include wide frequency range, linear frequency control, and temperature stability, making the SN74LS629N a versatile choice for various analog and digital applications requiring precise frequency control.
Equivalent
1. SN74LS628N: Another VCO from the same family with similar specifications.
2. MC1648P: A VCO by ON Semiconductor with comparable features.
3. CD4046B: A phase-locked loop IC by Texas Instruments that includes a VCO, although with different characteristics.
4. NE566: A function generator/VCO by various manufacturers.
Ensure compatibility by checking the specific parameters and requirements of your application.
Features
1. Frequency Range: The IC supports a wide frequency range from 1 Hz to 10 MHz, making it versatile for various applications.
2. Voltage Control: It provides a voltage-controlled input that allows for easy frequency modulation by varying the input voltage.
3. Binary Control: Features digital frequency control using binary inputs, enabling precise frequency adjustments.
4. Output Compatibility: Offers both TTL and CMOS compatible outputs, ensuring easy integration with different logic families.
5. Low Power Consumption: The IC is designed for low power consumption, which is beneficial in power-sensitive applications.
6. Temperature Stability: Exhibits good frequency stability across a range of temperatures, enhancing reliability.
7. Package Type: Available in a standard dual in-line package (DIP) for straightforward implementation.
These features make the SN74LS629N suitable for a variety of applications, including waveform generation, communications, and phase-locked loops.
Pinout
Here's a brief overview of its pin functions:
1. Pin 1 (Vcc): Supply voltage.
2. Pin 2 (R1): External resistor connection.
3. Pin 3 (C1): External capacitor connection.
4. Pin 4 (Modulation Input A): Accepts modulation voltage.
5. Pin 5 (Modulation Input B): Accepts modulation voltage.
6. Pin 6 (Capacitor C): External capacitor connection for oscillator frequency.
7. Pin 7 (GND): Ground.
8. Pin 8 (Frequency Control B): Frequency adjustment.
9. Pin 9 (Frequency Control A): Frequency adjustment.
10. Pin 10 (Output B): Frequency output.
11. Pin 11 (Output A): Frequency output.
12. Pin 12 (GND): Ground.
13. Pin 13 (C2): External capacitor connection.
14. Pin 14 (R2): External resistor connection.
15. Pin 15 (Enable B): Enable/disable oscillator.
16. Pin 16 (Enable A): Enable/disable oscillator.
The oscillator frequency is determined by external passive components connected to the R and C pins. Each section of the dual VCO can be controlled independently.