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SN54LS398J from TI,Texas Instruments

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SN54LS398J

Manufacturer: TI, MOT

QUAD 2-PORT REGISTER

Partnumber Manufacturer Quantity Availability
SN54LS398J TI, MOT 70 In Stock

Description and Introduction

QUAD 2-PORT REGISTER The SN54LS398J is a part manufactured by **MOT (Motorola)**.  

### **Specifications:**  
- **Type:** 8-Bit Universal Shift/Storage Register  
- **Technology:** LS (Low-Power Schottky)  
- **Operating Voltage:** 4.75V to 5.25V  
- **Package:** Ceramic DIP (Dual In-line Package)  
- **Operating Temperature Range:** -55°C to +125°C (Military-grade)  
- **Logic Family:** TTL (Transistor-Transistor Logic)  

### **Descriptions:**  
- The SN54LS398J is a **universal shift/storage register** that can perform parallel-to-serial and serial-to-parallel data conversions.  
- It is designed for **high-speed, low-power** operation in military and industrial applications.  
- The device features **asynchronous parallel load** and **bidirectional serial shifting** capabilities.  

### **Features:**  
- **8-bit parallel input/output**  
- **Bidirectional serial data flow** (left or right shift)  
- **Asynchronous parallel load**  
- **Schottky-clamped for high speed**  
- **Wide operating temperature range** (-55°C to +125°C)  
- **TTL-compatible inputs and outputs**  
- **High noise immunity**  

This part is **obsolete** and no longer in production.

Application Scenarios & Design Considerations

QUAD 2-PORT REGISTER

Alternative Part Number

  • 74LS398N --: Same LS398 function (quad 2-input multiplexer with storage) in a DIP package; direct functional equivalent with commercial temperature range.
  • MC74LS398N --: Second-source LS398 quad 2-input mux with registers, pin-compatible DIP alternative to the TI military-grade part.
  • SN74LS398N --: Commercial-temperature version of the same LS398 function from TI, suitable when military temperature range is not required.
  • DM74LS398N --: Equivalent 74LS398 multiplexer from a different series prefix, offering the same logic function and pinout for drop-in use in commercial temperature ranges.

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