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74AHC123AD
- Fabricant
- Mfr. Partie #74AHC123AD
- Paquet
- Fiche de données
- En stock7565
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Spécifications
| Shipping Restrictions | Mouser does not presently sell this product in your region. |
| Mounting Style | SMD/SMT |
| Package / Case | SOIC-16 |
| Minimum Operating Temperature | - 40 C |
| Maximum Operating Temperature | + 125 C |
| Brand | Nexperia |
| Product Type | Monostable Multivibrator |
| Subcategory | Logic ICs |
| Logic Type | Monostable Multivibrator |
| Logic Family | AHC |
| Elements per Chip | 2 Element |
| Propagation Delay Time | 24.1 ns, 14 ns |
| Supply Voltage - Min | 4.5 V |
| Supply Voltage - Max | 5.5 V |
| Low Level Output Current | 8 mA |
| High Level Output Current | - 8 mA |
| Height | 1.45 mm |
| Length | 10 mm |
| Operating Supply Voltage | 5 V |
| Factory Pack Quantity:Factory Pack Quantity | 50 |
| Width | 4 mm |
| Part # Aliases | 74AHC123AD,112 |
| Unit Weight | 0.008818 oz |
Vue d'ensemble
Description
This IC has two independent monostable timers, each capable of generating output pulses with adjustable widths. The output pulse duration is determined by external resistor-capacitor (RC) timing components connected to its pins. The 74AHC123AD can be retriggered, allowing for extended timing intervals when new input signals are received before the current pulse ends.
Key features include a wide operating voltage range (2V to 5.5V), compatibility with TTL logic levels, and the ability to operate at high frequencies. These characteristics make the 74AHC123AD suitable for various applications, including pulse generation, timing circuits, and signal conditioning in digital systems. Its versatility and reliability make it a popular choice in both consumer electronics and industrial applications.
Features
1. Dual Configuration: Contains two independent monostable multivibrators, allowing simultaneous operation.
2. Retriggerable Operation: Can be retriggered by input pulses, extending the output pulse duration.
3. High-Speed Performance: Typically operates at a propagation delay of less than 20 ns at Vcc = 5V, suitable for fast digital circuits.
4. Wide Voltage Range: Operates with a supply voltage range of 2V to 5.5V, making it versatile for various applications.
5. Low Power Consumption: Consumes minimal power, ideal for battery-operated devices.
6. TTL Compatibility: Compatible with TTL logic levels, facilitating easy integration into existing systems.
7. Edge-Triggered: The output pulse width is controlled by external timing components, providing flexibility in timing applications.
These features make the 74AHC123AD suitable for timing, pulse generation, and signal conditioning applications in digital electronics.
Package
Pinout
Pin Functions:
1. GND (Pin 1): Ground connection.
2. A (Pin 2): Active low trigger input for the first monostable.
3. B (Pin 3): Active low trigger input for the second monostable.
4. Q (Pin 4): Output for the first monostable.
5. \(\overline{Q}\) (Pin 5): Inverted output for the first monostable.
6. C (Pin 6): Control input for the first monostable.
7. R (Pin 7): Reset input for the first monostable.
8. GND (Pin 8): Ground connection.
9. Q (Pin 9): Output for the second monostable.
10. \(\overline{Q}\) (Pin 10): Inverted output for the second monostable.
11. C (Pin 11): Control input for the second monostable.
12. R (Pin 12): Reset input for the second monostable.
13. VCC (Pin 13): Supply voltage.
14. NC (Pin 14): No connection.
This device is widely used in pulse generation and timing applications.
Manufacturer
Application
Equivalent
- 74HCT123 (for TTL-compatible logic levels)
- 74LS123 (low power Schottky version)
- 74ACT123 (for advanced CMOS technology)
- MC14538 (similar function in a different package)
Always check datasheets for specific characteristics and compatibility.
Expédition
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offrir des services d'expédition mondiaux par DHL, FedEx, TNT, UPS ou tout autre expéditeur de votre choix.
Référence des frais d'expédition (DHL/FedEx):
DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.
FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.
UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.
TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.
EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.
Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.
Paiements
Payment Methods
Le terme de paiement est 100% prépayé.
Actuellement, nous n'acceptons que les méthodes de paiement ci-dessous:
1. PayPal
2. Carte de crédit/débit
3. Transfert bancaire
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