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SN54LS378J from TM

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SN54LS378J

Manufacturer: TM, TI

OCTAL D FLIP-FLOP WITH ENABLE; HEX D FLIP-FLOP WITH ENABLE; 4-BIT D FLIP-FLOP WITH ENABLE

Partnumber Manufacturer Quantity Availability
SN54LS378J TM, TI 4550 In Stock

Description and Introduction

OCTAL D FLIP-FLOP WITH ENABLE; HEX D FLIP-FLOP WITH ENABLE; 4-BIT D FLIP-FLOP WITH ENABLE The SN54LS378J is a hex D-type flip-flop with clock enable, manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Family:** LS (Low-Power Schottky)  
- **Number of Bits:** 6 (Hex)  
- **Logic Type:** D-Type Flip-Flop  
- **Clock Frequency:** Up to 35 MHz (typical)  
- **Supply Voltage (VCC):** 4.75V to 5.25V  
- **Operating Temperature Range:** -55°C to +125°C (Military grade)  
- **Package Type:** Ceramic DIP (Dual In-line Package)  
- **Output Type:** Standard  
- **Propagation Delay:** 15 ns (max) at 5V  
- **Power Dissipation:** 45 mW (typical)  

### **Descriptions:**  
- The SN54LS378J is a positive-edge-triggered flip-flop with a common clock (CLK) and clock enable (CE) input.  
- Each flip-flop has a single data (D) input and a buffered Q output.  
- When CE is low, the flip-flop responds to the rising edge of the clock signal.  

### **Features:**  
- **Hex D-Type Flip-Flops** (6 in one package)  
- **Clock Enable Control** for synchronous operation  
- **Edge-Triggered Clocking** for reliable data capture  
- **Buffered Outputs** for improved drive capability  
- **Wide Operating Temperature Range** for military applications  
- **Low Power Consumption** compared to standard TTL  

This device is designed for high-reliability applications, including military and aerospace systems.

Application Scenarios & Design Considerations

OCTAL D FLIP-FLOP WITH ENABLE; HEX D FLIP-FLOP WITH ENABLE; 4-BIT D FLIP-FLOP WITH ENABLE

Alternative Part Number

  • DM74LS378N --: Same LS378 hex D flip-flop function in a DIP package, widely available and pin-compatible for most through-hole designs.
  • MC74LS378N --: Equivalent 74LS378 logic device from a different series prefix, offering the same flip-flop functionality and DIP footprint.
  • SN74LS378N --: Commercial-grade version of the same LS378 function in a plastic DIP, suitable when the military temperature range is not required.

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