SN74HC595N, 8-Bit Shift Register ICs

4 x SN74HC595N, 8-Bit Shift Register ICs Plus 4 x 16 Pin IC
** MUST HAVE FOR STUDENTS AND HOBBYIST ***

The 74HC595 are high-speed Si-gate CMOS devices and are pin compatible with Low-power Schottky TTL (LSTTL).
The 74HC595 are 8-stage serial shift registers with a storage register and3-state outputs.
The registers have separate clocks.Data is shifted on the positive-going transitions of the
shift register clock input (SHCP).The data in each register is transferred to the storage
register on a positive-goingtransition of the storage register clock input (STCP).

If both clocks are connected together, the shift register will always be one clock pulse ahead
of the storage register. The shift register has a serial input (DS) and a serial standard output
(Q7S) for cascading. It is also provided with asynchronous reset (active LOW) for all 8 shift register stages.
The storage register has 8 parallel 3-state bus driver outputs. Data in the storage register
appears at the output whenever the output enable input (OE) is LOW.