40108 - 4 X 4 multiport register

pinout

1 Q3B 24 Vcc 2 Q2B 23 Q1B 3 3SA 22 Q0B 4 Q0A 21 3SB 5 Q1A 20 D0 6 Q2A 19 D1 7 Q3A 18 D2 8 WR0 17 D3 9 WR1 16 CLK 10 RD1B 15 WRE 11 RD0B 14 RD1A 12 GND 13 RD0A 40108 www.nanobob.com

symbol

www.nanobob.com 20 D0 4 Q0A 19 D1 5 Q1A 18 D2 6 Q2A 17 D3 7 Q3A 14 RD1A 9 WR1 13 RD0A 8 WR0 3 3SA 15 WRE 16 CLK 22 Q0B 23 Q1B 2 Q2B 1 Q3B 10 RD1B 11 RD0B 21 3SB

pin types

0 digital input (inverted) 0 digital output (inverted) 0 digital input-output (bidir) 0 analog (input or output) 0 positive power 0 ground 0 negative power