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TC74HC237AP from TOS,TOSHIBA

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TC74HC237AP

Manufacturer: TOS, TOSHIBA, TOSHIBA

3- TO - 8 LINE DECODER/LATCH

Partnumber Manufacturer Quantity Availability
TC74HC237AP TOS, TOSHIBA, TOSHIBA 527 In Stock

Description and Introduction

3- TO - 8 LINE DECODER/LATCH The TC74HC237AP is a high-speed CMOS 3-to-8 line decoder/demultiplexer manufactured by Toshiba. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Supply Voltage (VCC):** 2V to 6V  
- **Input Voltage (VI):** 0V to VCC  
- **Operating Temperature Range:** -40°C to +85°C  
- **Output Current (IO):** ±5.2mA (at VCC = 4.5V)  
- **Propagation Delay Time (tpd):** 14ns (max at VCC = 4.5V, CL = 50pF)  
- **Power Dissipation (PD):** 500mW (max)  
- **Package:** DIP-16 (Plastic Dual In-line Package)  

### **Description:**
The TC74HC237AP is a 3-to-8 line decoder/demultiplexer with three address inputs (A0, A1, A2) and three enable inputs (E1, E2, E3). It features active-low outputs (Y0-Y7) and is designed for high-speed operation with low power consumption.  

### **Features:**
- **High-Speed Operation:** Compatible with high-speed CMOS systems.  
- **Low Power Consumption:** Optimized for battery-operated devices.  
- **Multiple Enable Inputs:** Three enable inputs (E1, E2, E3) for flexible control.  
- **Active-Low Outputs:** Outputs are active-low for easy interfacing.  
- **Wide Operating Voltage Range:** Supports 2V to 6V operation.  
- **Schmitt Trigger Inputs:** Provides noise immunity on control inputs.  
- **Latch-Up Performance:** Exceeds 250mA per JESD 78.  

This device is commonly used in memory addressing, data routing, and logic function generation.

Application Scenarios & Design Considerations

3- TO - 8 LINE DECODER/LATCH

Alternative Part Number

  • SN74HC237N --: Same 3-to-8 decoder/demultiplexer function with address latches, HC logic family, DIP-16 package, pin-compatible and widely available.
  • CD74HC237E --: Direct functional equivalent 3-to-8 decoder with latches in HC family, DIP-16 package, compatible pinout and logic levels.
  • MC74HC237AN --: HC-family 3-to-8 decoder/demultiplexer with latches in DIP-16, electrically and functionally interchangeable with the original.

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