Part Number: 74ABT244-1N (Ic 20pin dip)Part Number: 74ACTQ245PC (Ic 20pin dip)Part Number: 74F244PC (Ic 20pin dip)Part Number: 74F711-1 (Ic 20pin dip)Part Number: 74HC540E (Ic 20pin dip)Part Number: 74HCT244P (Ic 20pin dip)Part Number: 74HCT688N (Ic 20pin dip)Part Number: 74LS374NA (Ic 20pin dip)Part Number: CD74AC374E (Ic 20pin dip)Part Number: IDT74AHCT377P (Ic 20pin dip)Part Number: MB74LS273 (Ic 20pin dip)Part Number: MC74HC245NDS (Ic 20pin dip)Part Number: MHB8282 (Ic 20pin dip)Part Number: N82S146N (Ic 20pin dip)Part Number: PAL16V8-25LNC (Ic 20pin dip)Part Number: PCF74HC645P (Ic 20pin dip)Part Number: SN74PAL16R6ACN (Ic 20pin dip)