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SN74LS123N
IC MULTIVIBRATOR 28NS 16DIP
- Manufacturer
- Mfr. Part #SN74LS123N
- Package PDIP (N)-16
- Datasheet
- In Stock5520
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Specifications
| Package | Bulk,Tube |
| Series | 74LS |
| ProductStatus | Active |
| LogicType | Monostable |
| IndependentCircuits | 2 |
| SchmittTriggerInput | No |
| PropagationDelay | 28 ns |
| Current-OutputHighLow | 400µA, 8mA |
| Voltage-Supply | 4.75 V ~ 5.25 V |
| OperatingTemperature | 0°C ~ 70°C |
| MountingType | Through Hole |
| Package/Case | 16-DIP (0.300, 7.62mm) |
Overview
Description
Key features include a wide supply voltage range (4.75V to 5.25V), fast response times (typically 25 ns), and the ability to be retriggered while the timing cycle is active. The output can drive TTL (Transistor-Transistor Logic) loads directly, allowing easy integration into digital circuits.
The SN74LS123N is commonly used in timing applications, pulse-width modulation, and as a timer in sequential circuits. Its ability to produce stable timing signals makes it suitable for applications in automotive, industrial, and consumer electronics. Overall, the SN74LS123N offers robust performance and reliability in timing and control functions.
Features
1. Dual Functionality: It can operate as a monostable multivibrator, generating a single output pulse in response to a trigger input.
2. Retriggerable: Capable of extending the output pulse duration if a new trigger pulse is received during the output pulse.
3. Adjustable Pulse Width: The pulse width can be varied from a few microseconds to several minutes by selecting appropriate external resistor and capacitor values.
4. TTL Compatible: It is compatible with TTL logic levels, making it suitable for interfacing with other TTL devices.
5. Low Power Consumption: The device features low power dissipation, ideal for power-sensitive applications.
6. Temperature Range: Operates over a wide temperature range, ensuring reliability in various environments.
7. Pin Configuration: Standard 14-pin DIP package, facilitating easy integration into circuits.
These features make the SN74LS123N suitable for timing applications, delay generation, and pulse width modulation in digital circuits.
Package
Pinout
Pin Count and Functions:
1. 1 (GND): Ground
2. 2 (A): Trigger input (active low)
3. 3 (Q): Output (high when triggered)
4. 4 (Q' or /Q): Inverted output
5. 5 (R): Reset input (active low)
6. 6 (Vcc): Supply voltage (typically +5V)
7. 7 (C): Charge input
8. 8 (C'): Charge output (used for timing)
9. 9 (D): Not connected
10. 10 (R'): Not connected
11. 11 (A): Trigger input (active low, for second one-shot)
12. 12 (Q): Output (high when triggered, for second one-shot)
13. 13 (Q' or /Q): Inverted output (for second one-shot)
14. 14 (R): Reset input (active low, for second one-shot)
15. 15 (D): Not connected
16. 16 (Vcc): Supply voltage (typically +5V)
The SN74LS123N is commonly used for timer applications, pulse generation, and delay generation in digital circuits.
Manufacturer
Application
Equivalent
1. 74HC123 - High-speed CMOS version.
2. 74HCT123 - TTL compatible version of 74HC123.
3. MC14538 - CMOS version from ON Semiconductor.
4. LM555 - General-purpose timer, although functionally different, used in similar applications.
Always check specific datasheets for pin compatibility and performance characteristics before substitution.
Shipping
Shipping MethodsWe
offer global shipping services through DHL, FedEx, TNT, UPS, or any other forwarder of your choice.
Shipping Fee Reference (DHL/FedEx):
DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.
FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.
UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.
TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.
EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.
Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.
Payments
Payment Methods
The Payment term is 100% Prepaid.
Currently, we only accept the below payment methods:
1. PayPal
2. Credit/ Debit Card
3. Wire Transfer
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