Description: 8-bit serial in/out Shift Register 3-State Outputs
Datasheet: http://www.ti.com/lit/ds/symlink/sn74hc595.pdf
Pinout:
+----------+
QB |[1] [16]| VCC
QC |[2] [15]| QA
QD |[3] [14]| SER
QE |[4] [13]| ~{OE}
QF |[5] [12]| RCLK
QG |[6] [11]| SRCLK
QH |[7] [10]| ~{SRCLR}
GND |[8] [9]| QH'
+----------+