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TC74AC573F from TOS,TOSHIBA

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TC74AC573F

Manufacturer: TOS, TOSHIBA

CMOS Digital Integrated Circuit Silicon Monolithic Octal D-Type Latch with 3-State Output

Partnumber Manufacturer Quantity Availability
TC74AC573F TOS, TOSHIBA 818 In Stock

Description and Introduction

CMOS Digital Integrated Circuit Silicon Monolithic Octal D-Type Latch with 3-State Output The TC74AC573F is a high-speed CMOS octal D-type latch manufactured by Toshiba. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Logic Family:** AC Series (Advanced CMOS)  
- **Number of Bits:** 8 (Octal)  
- **Latch Type:** Transparent (3-state output)  
- **Supply Voltage Range:** 2.0V to 5.5V  
- **High-Level Input Voltage (V_IH):** 2.0V (min) at V_CC = 5V  
- **Low-Level Input Voltage (V_IL):** 0.8V (max) at V_CC = 5V  
- **High-Level Output Current (I_OH):** -24mA (min) at V_CC = 5V  
- **Low-Level Output Current (I_OL):** 24mA (min) at V_CC = 5V  
- **Propagation Delay (t_PD):** 7.5ns (max) at V_CC = 5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 20-pin SOP (Small Outline Package)  

### **Descriptions:**  
- The TC74AC573F is an octal transparent latch with 3-state outputs.  
- It is designed for high-speed data transfer and temporary storage in digital systems.  
- The latch is transparent when the Latch Enable (LE) input is high, allowing data to pass through.  
- When LE is low, the data is latched and held at the outputs.  
- The Output Enable (OE) pin controls the 3-state outputs, allowing bus sharing.  

### **Features:**  
- **High-Speed Operation:** Optimized for 5V systems with fast propagation delay.  
- **Wide Operating Voltage:** Supports 2.0V to 5.5V, making it compatible with TTL levels.  
- **3-State Outputs:** Allows direct connection to a bus-oriented system.  
- **Low Power Consumption:** CMOS technology ensures low power dissipation.  
- **High Noise Immunity:** Improved noise margins compared to standard CMOS.  
- **Latch-Up Protection:** Resistant to latch-up under high-current conditions.  

This information is based on Toshiba's datasheet for the TC74AC573F.

Application Scenarios & Design Considerations

CMOS Digital Integrated Circuit Silicon Monolithic Octal D-Type Latch with 3-State Output

Alternative Part Number

  • MC74AC573DW --: Octal D-type transparent latch with 3-state outputs, same AC logic family and function, widely available pin-compatible alternative.
  • SN74AC573DW --: Equivalent octal transparent D-latch in AC family with 3-state outputs, direct functional and package replacement.
  • 74AC573SC --: Same octal D-latch function and AC speed grade in SOIC package, suitable drop-in alternative.
  • MC74AC573DWR2G --: AC-family octal D latch with 3-state outputs, same function and pinout, suitable drop-in replacement in SOIC-20.

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