CLKB-1CLKA-2CLKB+3CLKA+4OE#5CLK+6CLK-7D1+8GND9D1-10D2+11D2-12SEL13D2B-14D2A-15D2B+16D2A+17VDD18D1B-19D1A-20GND21D1B+22D1A+23GND24GND25