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SN54LS321J from TI,Texas Instruments

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SN54LS321J

Manufacturer: TI, TM

CRYSTAL-CONTROLLED OSCILLATORS

Partnumber Manufacturer Quantity Availability
SN54LS321J TI, TM 60 In Stock

Description and Introduction

CRYSTAL-CONTROLLED OSCILLATORS The SN54LS321J is a part manufactured by Texas Instruments (TI). Below are the specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Texas Instruments (TI)  
- **Series:** SN54LS  
- **Logic Family:** LS (Low-Power Schottky)  
- **Function:** 8-Bit Shift Register  
- **Package Type:** Ceramic DIP (Dual In-Line Package)  
- **Operating Temperature Range:** -55°C to +125°C (Military Grade)  
- **Supply Voltage (VCC):** 4.75V to 5.25V  
- **Propagation Delay:** Typically 30ns  
- **Output Type:** Standard (TTL-Compatible)  
- **Number of Pins:** 16  

### **Descriptions:**
The SN54LS321J is an 8-bit shift register from TI's SN54LS series, designed for military and high-reliability applications. It operates on a 5V supply and provides serial-in, parallel-out functionality with TTL-compatible outputs. The ceramic DIP package ensures durability in harsh environments.

### **Features:**
- **High-Speed Operation:** Low propagation delay (30ns typical).  
- **Low Power Consumption:** LS technology for reduced power usage.  
- **Wide Operating Temperature Range:** Suitable for military and aerospace applications.  
- **TTL-Compatible Inputs/Outputs:** Ensures compatibility with standard logic levels.  
- **Serial-In, Parallel-Out Operation:** Supports data shifting and storage.  
- **Robust Ceramic Package:** Durable for extreme conditions.  

This information is strictly factual and based on Ic-phoenix technical data files.

Application Scenarios & Design Considerations

CRYSTAL-CONTROLLED OSCILLATORS

Alternative Part Number

  • MC14521BCP --: Functionally similar CMOS frequency divider/crystal oscillator IC in a DIP package, usable as a substitute in many timing and divider circuits.
  • CD4060BE --: CMOS ripple-carry binary counter/divider with built-in oscillator, widely available DIP part that can replace divider functions in many designs.
  • HEF4060BP --: Standard CMOS 14-stage ripple counter/divider with oscillator, DIP package, commonly used as a cross-reference for similar divider ICs.
  • 74LS321N --: Same LS321 function (crystal oscillator/divider) in a DIP package; widely available and pin-compatible in most designs.
  • MC74LS321N --: Second-source LS321 device with equivalent logic function and DIP pinout, suitable as a drop-in replacement.
  • SN74LS321N --: Commercial-temperature version of the same LS321 function; use when the military temperature range of the original is not required.

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