Professional IC Distribution & Technical Solutions

Manufacturer: Texas Instruments (TI) / Motorola (MOTO)

#### Part Number: SN74LS670N

#### Specifications:

• Logic Type: 4x4 Register File (3-State)
• Number of Bits: 4-bit x 4 words
• Input/Output Type: 3-State
• Supply Voltage (VCC): 4.75V to 5.25V
• Operating Temperature Range: 0°C to +70°C
• Package / Case: PDIP-16 (Plastic Dual In-Line Package)
• Mounting Type: Through Hole
• Propagation Delay Time: Typically 18ns (max 30ns)
• Output Current: ±2.6mA (High), 24mA (Low)
• Logic Family: LS (Low-Power Schottky)

#### Descriptions:

The SN74LS670N is a 4x4 register file with 3-state outputs, designed for temporary storage of data in digital systems. It features separate read and write addressing, allowing simultaneous read and write operations. The outputs are in a high-impedance state when not enabled, making it suitable for bus-oriented applications.

#### Features:

• 4x4 Register File: Stores 4 words of 4 bits each.
• Independent Read/Write Addressing: Enables simultaneous read and write operations.
• 3-State Outputs: Allows bus sharing in multi-device systems.
• Low-Power Schottky (LS) Technology: Balances speed and power efficiency.
• Wide Operating Voltage: Compatible with standard 5V logic systems.
• Standard 16-Pin DIP Package: Easy integration into through-hole PCBs.

(Note: Motorola (MOTO) was a previous manufacturer, but TI is the current primary supplier.)