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SN74ALS232BFN from TI,Texas Instruments

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SN74ALS232BFN

Manufacturer: TI, TEXAS

16 × 4 ASYNCHRONOUS FIRST-IN, FIRST-OUT MEMORY
Partnumber Manufacturer Quantity Availability
SN74ALS232BFN TI, TEXAS 286 In Stock

Description and Introduction

16 × 4 ASYNCHRONOUS FIRST-IN, FIRST-OUT MEMORY The SN74ALS232BFN is a dual retriggerable monostable multivibrator manufactured by Texas Instruments.  

### **Specifications:**  
- **Logic Type:** Monostable Multivibrator  
- **Number of Circuits:** 2  
- **Output Type:** Push-Pull  
- **Supply Voltage (VCC):** 4.5V to 5.5V  
- **Propagation Delay (Max):** 60 ns  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package / Case:** 20-PDIP (Plastic DIP)  
- **Mounting Type:** Through Hole  

### **Descriptions:**  
- The SN74ALS232BFN is designed to generate precise output pulses of a fixed duration when triggered.  
- It features retriggerable functionality, allowing the output pulse width to be extended by additional trigger pulses.  
- Suitable for timing, pulse generation, and delay applications in digital systems.  

### **Features:**  
- **Dual Monostable Multivibrator:** Contains two independent retriggerable monostable circuits.  
- **Wide Operating Voltage Range:** 4.5V to 5.5V.  
- **Schmitt-Trigger Inputs:** Ensures noise immunity on input signals.  
- **Push-Pull Outputs:** Provides high drive capability.  
- **Precise Timing Control:** Adjustable via external resistors and capacitors.  

This device is commonly used in digital timing circuits, pulse shaping, and sequential logic applications.

Application Scenarios & Design Considerations

16 × 4 ASYNCHRONOUS FIRST-IN, FIRST-OUT MEMORY

Alternative Part Number

  • 74F232PC --: Same 4-bit synchronous FIFO register function in a 16-pin DIP package, pin-compatible with the ALS232B.
  • MC74F232N --: Equivalent FIFO register in PDIP-16, direct functional replacement for the SN74ALS232BFN.
  • CY7C232-15PC --: FIFO register with similar organization and DIP-16 footprint, usable as a functional substitute with timing verification.
  • 74ALS232BN --: Same 74ALS232 function (dual 4-bit binary counter) in a DIP-20 package from an alternate vendor, pin-compatible with the original.
  • DM74ALS232BN --: Direct functional equivalent of the ALS232 counter in a plastic DIP package, widely available and pin-compatible.
  • SN74ALS232BN --: Same ALS232 counter from the original manufacturer in a standard DIP-20 package, differing only in the package/ordering suffix.

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