View sn74ls195 datasheet:

SN54/74LS195A UNIVERSAL 4-BIT SHIFT REGISTER The SN54 /74LS195A 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 UNIVERSAL 4-BIT counting applications. It utilizes the Schottky diode clamped process to achieve high speeds and is fully compatible with all Motorola TTL products. SHIFT REGISTER • Typical Shift Right Frequency of 39 MHz LOW POWER SCHOTTKY • Asynchronous Master Reset • J, K Inputs to First Stage • Fully Synchronous Serial or Parallel Data Transfers • Input Clamp Diodes Limit High Speed Termination Effects J SUFFIX CERAMIC CASE 620-09 CONNECTION DIAGRAM DIP (TOP VIEW) 16 1 VCC Q0 Q1 Q2 Q3 Q3 CP PE 16 15 14 13 12 11 10 9 NOTE: N SUFFIX The Flatpak version has the same pinouts