74LS595 DIP 8 Bit Shift Register With Output Latches Three State Parallel Outputs (74595 IC)

The 74LS595 is an 8 bit serial in parallel out shift register with output latches designed for data storage and output expansion in digital systems. It allows serial data to be shifted into the register and then transferred to parallel outputs using a latch control signal.

The device includes three state outputs which allow the outputs to enter a high impedance state for bus oriented applications. It belongs to the LS TTL logic family and is widely used for output expansion LED driving display control and microcontroller interfacing. The DIP package makes it suitable for breadboard prototyping and PCB based digital circuit designs.

Key Features

• 8 bit serial in parallel out shift register
• Integrated output storage latches
• Three state parallel outputs for bus systems
• Serial data input with clock control
• Output enable control for high impedance state
• Suitable for output expansion and LED control
• DIP package suitable for prototyping and PCB mounting

Specifications

• IC Model = 74LS595
• Equivalent IC = 74595
• Logic Type = Serial in parallel out shift register
• Logic Family = LS TTL
• Number Of Bits = 8
• Output Type = Three state parallel outputs
• Package Type = DIP
• Operating Voltage = 4.75V to 5.25V
• Application = Output expansion LED control and digital interfacing

Interfaces

• SER = Serial data input
• SRCLK = Shift register clock input
• RCLK = Latch clock input
• OE = Output enable control
• SRCLR = Shift register clear
• Q0 = Parallel output bit 0
• Q1 = Parallel output bit 1
• Q2 = Parallel output bit 2
• Q3 = Parallel output bit 3
• Q4 = Parallel output bit 4
• Q5 = Parallel output bit 5
• Q6 = Parallel output bit 6
• Q7 = Parallel output bit 7
• Q7S = Serial data output for cascading
• VCC = Power supply
• GND = Ground