This part is a kind of semiconductor called 74LS195.

Function of this product has LOW POWER SCHOTTKY.

Manufacturers : ON Semiconductor

Image and pinout :

Some of the text within the PDF file :

SN74LS195A Universal 4-Bit Shift Register The SN74LS195A is a high speed 4-Bit Shift Register offering typical shift frequencies of 39 MHz. It is useful for a wide variety of register and counting applications. It utilizes the Schottky diode clamped process to achieve high speeds and is fully compatible with all ON Semiconductor TTL products. http://onsemi.com • • • • • Typical Shift Right Frequency of 39 MHz Asynchronous Master Reset J, K Inputs to First Stage Fully Synchronous Serial or Parallel Data Transfers Input Clamp Diodes Limit High Speed Termination Effects LOW POWER SCHOTTKY GUARANTEED OPERATING RANGES Symbol VCC TA IOH IOL Parameter Supply Voltage Operating Ambient Temperature Range Output Current – High Output Current – Low Min 4.75 0 Typ 5.0 25 Max 5.25 70 [ ... ]

74LS195 PDF Datasheet Download