View bu2114f datasheet:

BU2114F IL08D CMOS SHIFT RESISTOR WITH LATCH —TOP VIEW— SIN : SERIAL DATA INPUT CK : SHIFT CLOCK INPUT SIN 1 VDD 18 LATCH : LATCH INPUT SOUT : SHIFT RESISTOR (FINAL STAGE) CK 2 17 OUT1 OUTPUT : ENABLE INPUT EN LATCH 3 16 OUT2 RST : RESET INPUT - : SHIFT RESISTOR LATCH OUTPUT1-8 OUT1 OUT8 SOUT 4 15 OUT3 5 14 EN OUT4 6 13 RST OUT5 7 GND 12 OUT6 8 GND 11 OUT7 9 GND 10 OUT8 OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 OUT7 OUT8 17 16 15 14 13 12 11 10 5 EN D Q D Q D Q D Q D Q D Q D Q D Q C OB C OB C OB C OB C OB C OB C OB C OB R R R R R R R R 3 LATCH 4 1 D Q D Q D Q D Q D Q D Q D Q D Q SIN SOUT C OB C OB C OB C OB C OB C OB C OB C OB R R R R R R R R 2 CK 6 RST