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HD74LS166A from HITACHI

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HD74LS166A

Manufacturer: HITACHI

Ouadruple 2-input Positive NAND Gates

Partnumber Manufacturer Quantity Availability
HD74LS166A HITACHI 25 In Stock

Description and Introduction

Ouadruple 2-input Positive NAND Gates The HD74LS166A is a parallel-in/serial-out shift register manufactured by Hitachi. Here are its key specifications:

- **Function**: 8-bit parallel-in/serial-out shift register  
- **Logic Family**: LS-TTL (Low-Power Schottky TTL)  
- **Operating Voltage**: 5V (standard TTL levels)  
- **Clock Frequency**: Up to 35 MHz (typical)  
- **Input/Output Compatibility**: TTL-compatible  
- **Package**: 16-pin DIP (Dual In-line Package)  
- **Operating Temperature Range**: 0°C to 70°C (commercial grade)  
- **Features**:  
  - Synchronous parallel load  
  - Serial data input and output  
  - Asynchronous master reset  
  - Cascadable for larger shift registers  

For detailed electrical characteristics, timing diagrams, or additional specifications, refer to the official Hitachi datasheet.

Partnumber Manufacturer Quantity Availability
HD74LS166A HIT 270 In Stock

Description and Introduction

Ouadruple 2-input Positive NAND Gates The HD74LS166A is a parallel-load 8-bit shift register manufactured by Hitachi (HIT). Here are its key specifications:

- **Type**: 8-bit parallel-in/serial-out shift register
- **Logic Family**: LS-TTL (Low-Power Schottky TTL)
- **Supply Voltage (VCC)**: 4.75V to 5.25V
- **Operating Temperature Range**: 0°C to 70°C
- **Input Current (High)**: 20μA max
- **Input Current (Low)**: -0.36mA max
- **Output Current (High)**: -0.4mA max
- **Output Current (Low)**: 8mA max
- **Propagation Delay**: 20ns (typical) for clock to output
- **Power Dissipation**: 45mW (typical)
- **Package**: 16-pin DIP (Dual In-line Package)

Features:
- Synchronous parallel loading
- Serial data input
- Clock and clock inhibit inputs
- Direct clear input
- Gated clock inputs

(Source: Hitachi HD74LS166A datasheet)

Partnumber Manufacturer Quantity Availability
HD74LS166A HYITEK 625 In Stock

Description and Introduction

Ouadruple 2-input Positive NAND Gates The HD74LS166A is a parallel-in/serial-out shift register manufactured by HYITEK. Here are its key specifications:

- **Logic Family**: LS (Low-Power Schottky)  
- **Function**: 8-bit parallel-in/serial-out shift register  
- **Supply Voltage (VCC)**: 4.75V to 5.25V  
- **Operating Temperature Range**: 0°C to +70°C  
- **Input Current (High)**: -0.4mA max  
- **Input Current (Low)**: 1.6mA max  
- **Output Current (High)**: -0.8mA max  
- **Output Current (Low)**: 16mA max  
- **Propagation Delay**: Typically 20ns (max 30ns)  
- **Power Dissipation**: 45mW (typ)  
- **Package**: 16-pin DIP (Dual In-line Package)  

For exact details, refer to the official HYITEK datasheet.

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