LS Series 4-Bit Dual Inverted Bus Driver, 20-Pin SOP
LS Series 4-Bit Bus Driver, 20-Pin SOP, 5V, 18ns tpd
4-Bit Inverted Bus Driver, 2-Func, 3-State, SOP-20
Commercial Extended Logic IC Bus Transceiver 8-Bit 20-Pin SOP
Seven Segment Decoder/Driver, TTL, 5V, SOP16, Commercial Extended, RoHS Compliant
HD74LS240FPEL
HD74LS245RPEL