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TC74ACT640F from TOSHIBA

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TC74ACT640F

Manufacturer: TOSHIBA

OCTAL BUS TRANSCEIVER

Partnumber Manufacturer Quantity Availability
TC74ACT640F TOSHIBA 2160 In Stock

Description and Introduction

OCTAL BUS TRANSCEIVER The TC74ACT640F is a high-speed CMOS octal bus transceiver manufactured by Toshiba. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Logic Family:** ACT (Advanced CMOS Technology)  
- **Number of Bits:** 8 (Octal)  
- **Supply Voltage Range:** 4.5V to 5.5V  
- **High-Speed Operation:**  
  - Propagation Delay: 5.5 ns (max) at 5V  
- **Low Power Consumption:**  
  - Quiescent Current: 4 µA (max)  
- **Output Drive Capability:**  
  - 24 mA (sink/source)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** SOP-20 (Small Outline Package)  

### **Descriptions:**  
- The TC74ACT640F is an 8-bit bidirectional transceiver with non-inverting 3-state outputs.  
- It is designed for asynchronous communication between data buses.  
- Features separate control pins for direction (DIR) and output enable (OE).  

### **Features:**  
- **Bidirectional Data Flow:** Controlled by the DIR pin.  
- **3-State Outputs:** Allows bus isolation when OE is high.  
- **TTL-Compatible Inputs:** Can interface with TTL logic levels.  
- **High Noise Immunity:** CMOS technology ensures robustness.  
- **Wide Operating Voltage:** Supports standard 5V systems.  
- **ESD Protection:** Provides improved electrostatic discharge resistance.  

This device is commonly used in data communication systems, bus interfacing, and microprocessor-based applications.

Application Scenarios & Design Considerations

OCTAL BUS TRANSCEIVER
Partnumber Manufacturer Quantity Availability
TC74ACT640F TOS 2160 In Stock

Description and Introduction

OCTAL BUS TRANSCEIVER The **TC74ACT640F** is a high-speed CMOS octal bus transceiver manufactured by **Toshiba**.  

### **Key Specifications:**  
- **Logic Family:** ACT (Advanced CMOS Technology)  
- **Number of Bits:** 8 (Octal)  
- **Type:** Bus Transceiver (bidirectional)  
- **Voltage Supply Range:** 4.5V to 5.5V  
- **High-Speed Operation:** tpd = 6.5ns (max) at 5V  
- **Output Drive Capability:** 24mA at 5V  
- **Input/Output Compatibility:** TTL levels  
- **Direction Control:** Separate OE (Output Enable) and DIR (Direction Control) pins  
- **Package:** SOP-20 (Small Outline Package, 20-pin)  

### **Features:**  
- **Bidirectional Data Flow:** Controlled by DIR pin  
- **Output Enable (OE):** Disables outputs when high  
- **3-State Outputs:** Allows bus isolation  
- **Low Power Consumption:** ICC = 4μA (max)  
- **TTL-Compatible Inputs:** Accepts TTL signal levels  
- **ESD Protection:** HBM ≥ 2000V  

### **Applications:**  
- Data bus interfacing  
- Bidirectional communication systems  
- Memory address driving  
- General-purpose logic level translation  

This device is designed for high-speed, low-power digital systems requiring bidirectional data transfer.  

(Source: Toshiba datasheet)

Application Scenarios & Design Considerations

OCTAL BUS TRANSCEIVER

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