74LS670 DIP 4 x 4 Register File With 3 State Outputs TTL (74670 IC)

The 74LS670 is a 4 x 4 register file integrated circuit designed for temporary data storage and retrieval in digital systems. It contains four 4 bit registers that can store binary data and allows independent read and write addressing for flexible data access.

The device provides three state outputs allowing the data lines to enter a high impedance state when not enabled making it suitable for bus oriented digital systems. It belongs to the LS TTL logic family and is commonly used in microprocessor based circuits memory buffers and digital data storage applications. The DIP package makes it suitable for breadboard prototyping and PCB based digital circuit designs.

Key Features

• 4 x 4 register file with four 4 bit registers
• Independent read and write address selection
• Three state outputs for bus oriented systems
• High speed TTL compatible logic operation
• Suitable for temporary data storage and buffering
• Efficient register based data access structure
• DIP package suitable for prototyping and PCB mounting

Specifications

• IC Model = 74LS670
• Equivalent IC = 74670
• Logic Type = Register file memory
• Register Configuration = 4 registers x 4 bits
• Logic Family = LS TTL
• Output Type = Three state outputs
• Package Type = DIP
• Operating Voltage = 4.75V to 5.25V
• Application = Digital data storage and register memory circuits

Interfaces

• D0 = Data input bit 0
• D1 = Data input bit 1
• D2 = Data input bit 2
• D3 = Data input bit 3
• Q0 = Data output bit 0
• Q1 = Data output bit 1
• Q2 = Data output bit 2
• Q3 = Data output bit 3
• WA0 = Write address select 0
• WA1 = Write address select 1
• RA0 = Read address select 0
• RA1 = Read address select 1
• WE = Write enable control
• OE = Output enable control
• VCC = Power supply
• GND = Ground